./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_m3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_m3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1743decb4413dd023f2c21969cafbefd9f03a99467b1795f9affedc42875deb2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:31:12,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:31:12,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:31:12,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:31:12,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:31:12,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:31:12,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:31:12,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:31:12,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:31:12,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:31:12,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:31:12,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:31:12,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:31:12,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:31:12,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:31:12,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:31:12,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:31:12,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:31:12,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:31:12,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:31:12,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:31:12,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:31:12,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:31:12,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:31:12,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:31:12,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:31:12,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:31:12,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:31:12,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:31:12,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:31:12,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:31:12,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:31:12,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:31:12,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:31:12,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:31:12,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:31:12,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:31:12,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:31:12,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:31:12,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:31:12,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:31:12,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:31:12,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:31:12,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:31:12,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:31:12,677 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:31:12,678 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:31:12,678 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:31:12,678 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:31:12,678 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:31:12,679 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:31:12,679 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:31:12,680 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:31:12,680 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:31:12,680 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:31:12,681 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:31:12,681 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:31:12,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:31:12,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:31:12,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:31:12,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:31:12,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:31:12,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:31:12,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:31:12,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:31:12,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:31:12,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:31:12,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:31:12,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:31:12,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:31:12,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:31:12,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:31:12,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:31:12,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:31:12,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:31:12,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:31:12,688 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:31:12,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:31:12,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:31:12,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:31:12,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:31:12,689 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1743decb4413dd023f2c21969cafbefd9f03a99467b1795f9affedc42875deb2 [2021-11-03 04:31:13,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:31:13,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:31:13,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:31:13,044 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:31:13,046 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:31:13,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-crafted/zero_sum_m3.c [2021-11-03 04:31:13,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/data/9c8757bb9/7ab7a1f63a8a4c15a4400af82af4b539/FLAGe25c6359a [2021-11-03 04:31:13,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:31:13,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/sv-benchmarks/c/array-crafted/zero_sum_m3.c [2021-11-03 04:31:13,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/data/9c8757bb9/7ab7a1f63a8a4c15a4400af82af4b539/FLAGe25c6359a [2021-11-03 04:31:14,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/data/9c8757bb9/7ab7a1f63a8a4c15a4400af82af4b539 [2021-11-03 04:31:14,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:31:14,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:31:14,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:31:14,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:31:14,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:31:14,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6b9eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14, skipping insertion in model container [2021-11-03 04:31:14,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:31:14,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:31:14,371 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/sv-benchmarks/c/array-crafted/zero_sum_m3.c[402,415] [2021-11-03 04:31:14,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:31:14,417 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:31:14,431 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/sv-benchmarks/c/array-crafted/zero_sum_m3.c[402,415] [2021-11-03 04:31:14,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:31:14,472 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:31:14,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14 WrapperNode [2021-11-03 04:31:14,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:31:14,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:31:14,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:31:14,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:31:14,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:31:14,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:31:14,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:31:14,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:31:14,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:31:14,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:31:14,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:31:14,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:31:14,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (1/1) ... [2021-11-03 04:31:14,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:31:14,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:14,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:31:14,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:31:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 04:31:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:31:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 04:31:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:31:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:31:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 04:31:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:31:15,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:31:15,046 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-11-03 04:31:15,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:31:15 BoogieIcfgContainer [2021-11-03 04:31:15,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:31:15,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:31:15,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:31:15,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:31:15,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:31:14" (1/3) ... [2021-11-03 04:31:15,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bb2ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:31:15, skipping insertion in model container [2021-11-03 04:31:15,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:31:14" (2/3) ... [2021-11-03 04:31:15,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bb2ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:31:15, skipping insertion in model container [2021-11-03 04:31:15,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:31:15" (3/3) ... [2021-11-03 04:31:15,058 INFO L111 eAbstractionObserver]: Analyzing ICFG zero_sum_m3.c [2021-11-03 04:31:15,063 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:31:15,063 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:31:15,119 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:31:15,128 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:31:15,128 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:31:15,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:31:15,146 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:15,147 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:15,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:15,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash 797261710, now seen corresponding path program 1 times [2021-11-03 04:31:15,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:15,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029548384] [2021-11-03 04:31:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:15,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:15,421 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:15,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029548384] [2021-11-03 04:31:15,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029548384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:15,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:15,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 04:31:15,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147568908] [2021-11-03 04:31:15,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 04:31:15,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:15,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 04:31:15,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:31:15,449 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:15,527 INFO L93 Difference]: Finished difference Result 28 states and 43 transitions. [2021-11-03 04:31:15,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 04:31:15,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 04:31:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:15,542 INFO L225 Difference]: With dead ends: 28 [2021-11-03 04:31:15,542 INFO L226 Difference]: Without dead ends: 13 [2021-11-03 04:31:15,544 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 04:31:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-03 04:31:15,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-03 04:31:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2021-11-03 04:31:15,579 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 19 transitions. Word has length 11 [2021-11-03 04:31:15,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:15,579 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-11-03 04:31:15,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-03 04:31:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 04:31:15,581 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:15,581 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:15,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 04:31:15,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:15,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:15,586 INFO L85 PathProgramCache]: Analyzing trace with hash -800631237, now seen corresponding path program 1 times [2021-11-03 04:31:15,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:15,588 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487333996] [2021-11-03 04:31:15,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:15,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 04:31:15,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:15,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487333996] [2021-11-03 04:31:15,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487333996] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 04:31:15,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:31:15,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 04:31:15,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740906849] [2021-11-03 04:31:15,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:31:15,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:15,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:31:15,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:31:15,685 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:15,762 INFO L93 Difference]: Finished difference Result 27 states and 43 transitions. [2021-11-03 04:31:15,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:31:15,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 04:31:15,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:15,763 INFO L225 Difference]: With dead ends: 27 [2021-11-03 04:31:15,763 INFO L226 Difference]: Without dead ends: 19 [2021-11-03 04:31:15,764 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:31:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-03 04:31:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-03 04:31:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-03 04:31:15,770 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 12 [2021-11-03 04:31:15,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:15,770 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-03 04:31:15,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-03 04:31:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 04:31:15,771 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:15,771 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:15,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 04:31:15,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:15,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:15,773 INFO L85 PathProgramCache]: Analyzing trace with hash -801296507, now seen corresponding path program 1 times [2021-11-03 04:31:15,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:15,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140129481] [2021-11-03 04:31:15,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:15,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:31:15,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:15,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140129481] [2021-11-03 04:31:15,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140129481] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:15,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504932596] [2021-11-03 04:31:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:15,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:15,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:15,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 04:31:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:15,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:31:16,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:31:16,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:31:16,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504932596] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:16,233 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1081140621] [2021-11-03 04:31:16,253 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:16,253 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:16,257 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:16,262 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:16,263 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:16,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:16,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:16,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:16,328 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_12|], 21=[|v_#valid_15|]} [2021-11-03 04:31:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:16,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:16,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:16,366 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:16,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:16,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:16,481 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,496 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:16,501 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,501 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:16,510 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:16,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:16,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:16,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:16,530 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_13|], 15=[|v_#valid_16|]} [2021-11-03 04:31:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,551 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:16,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:16,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:16,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:16,557 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,649 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:16,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:16,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:16,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:16,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:16,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,692 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:16,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:31:16,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:16,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:31:16,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:16,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:16,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:31:16,739 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:31:16,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:31:16,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:16,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:16,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:16,784 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:31:16,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:31:16,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:16,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:31:16,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:16,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:17,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:17,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:31:17,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:31:17,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:31:17,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:17,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:17,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:17,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:17,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:17,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:17,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:17,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:17,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:17,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:17,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:31:17,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:31:17,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:31:17,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:31:17,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:31:17,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:17,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:17,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:17,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:17,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:17,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:17,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:17,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:17,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:31:17,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:17,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:17,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:17,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,350 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:31:17,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:31:17,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:17,362 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:31:17,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,461 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:17,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:17,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:17,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:17,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:17,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:17,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:17,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:17,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:17,484 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:17,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:17,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:17,496 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:17,507 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:17,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:31:17,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,577 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:31:17,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:31:17,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,656 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:17,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:17,678 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:17,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:17,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:17,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:17,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,784 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:17,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:17,794 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:17,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:17,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,803 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:17,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:17,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,901 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:17,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:17,909 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:17,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:17,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:17,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:17,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:17,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:17,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,004 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:18,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:18,014 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:18,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:18,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:18,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:18,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:18,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:18,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,100 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:18,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:18,110 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:18,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:18,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:18,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:18,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:18,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:18,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:18,208 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:18,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:18,218 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:18,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:18,767 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:18,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-03 04:31:18,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179628563] [2021-11-03 04:31:18,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:31:18,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:18,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:31:18,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:31:18,769 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:18,830 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2021-11-03 04:31:18,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:31:18,831 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-03 04:31:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:18,832 INFO L225 Difference]: With dead ends: 35 [2021-11-03 04:31:18,832 INFO L226 Difference]: Without dead ends: 20 [2021-11-03 04:31:18,835 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-03 04:31:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-03 04:31:18,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-03 04:31:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-11-03 04:31:18,845 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 18 [2021-11-03 04:31:18,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:18,845 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-03 04:31:18,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-03 04:31:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-03 04:31:18,847 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:18,847 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:18,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:19,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:19,068 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:19,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1102992328, now seen corresponding path program 2 times [2021-11-03 04:31:19,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:19,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772486486] [2021-11-03 04:31:19,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:19,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:31:19,134 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:19,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772486486] [2021-11-03 04:31:19,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772486486] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:19,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681840955] [2021-11-03 04:31:19,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:31:19,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:19,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:19,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:19,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 04:31:19,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 04:31:19,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:31:19,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:31:19,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:19,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:31:19,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-03 04:31:19,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681840955] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:19,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1963699125] [2021-11-03 04:31:19,385 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:19,386 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:19,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:19,386 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:19,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:19,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:19,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:19,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:19,409 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_18|]} [2021-11-03 04:31:19,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:19,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:19,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:19,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:19,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:19,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:19,467 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:19,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,477 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:19,481 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:19,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:19,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:19,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:19,500 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_16|], 15=[|v_#valid_19|]} [2021-11-03 04:31:19,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,518 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:19,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:19,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:19,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:19,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,570 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:19,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:19,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:19,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:19,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:19,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,587 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:19,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:31:19,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:19,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:31:19,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:19,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:31:19,615 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:31:19,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:31:19,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:19,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:19,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,645 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:31:19,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:31:19,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:31:19,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:19,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:19,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:31:19,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:31:19,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:31:19,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:19,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:19,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:19,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:19,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:19,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:31:19,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:31:19,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:19,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:19,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:19,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:19,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:19,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:31:19,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:19,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:31:19,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:31:19,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:19,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:19,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:19,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:19,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:31:19,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:19,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:19,886 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:19,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:19,944 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:31:19,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:31:19,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:19,954 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:31:19,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:19,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,014 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:20,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:20,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:20,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:20,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:20,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:20,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:20,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:20,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:20,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:20,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:20,029 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:20,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:20,036 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:20,036 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:20,043 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:20,045 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:31:20,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,087 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:31:20,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:31:20,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,127 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:20,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:20,134 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:20,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:20,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:20,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:20,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,216 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:20,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:20,223 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:20,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:20,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,228 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:20,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:20,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,298 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:20,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:20,305 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:20,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:20,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,314 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:20,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:20,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,381 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:20,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:20,387 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:20,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:20,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,393 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:20,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:20,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,446 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:20,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:20,452 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:20,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:20,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:20,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:20,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:20,531 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:20,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:20,539 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:21,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:21,049 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:21,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2021-11-03 04:31:21,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525606983] [2021-11-03 04:31:21,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:31:21,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:21,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:31:21,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:31:21,051 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:21,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:21,117 INFO L93 Difference]: Finished difference Result 39 states and 55 transitions. [2021-11-03 04:31:21,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:31:21,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-03 04:31:21,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:21,119 INFO L225 Difference]: With dead ends: 39 [2021-11-03 04:31:21,119 INFO L226 Difference]: Without dead ends: 26 [2021-11-03 04:31:21,119 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:31:21,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-03 04:31:21,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-03 04:31:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-11-03 04:31:21,124 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 19 [2021-11-03 04:31:21,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:21,124 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-03 04:31:21,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-03 04:31:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 04:31:21,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:21,126 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:21,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:21,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:21,327 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:21,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:21,327 INFO L85 PathProgramCache]: Analyzing trace with hash 196438190, now seen corresponding path program 3 times [2021-11-03 04:31:21,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:21,327 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252575604] [2021-11-03 04:31:21,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:21,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:22,502 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:22,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252575604] [2021-11-03 04:31:22,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252575604] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:22,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826520722] [2021-11-03 04:31:22,502 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:31:22,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:22,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:22,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:22,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 04:31:22,594 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:31:22,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:31:22,598 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-03 04:31:22,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:31:23,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:24,163 INFO L354 Elim1Store]: treesize reduction 39, result has 52.4 percent of original size [2021-11-03 04:31:24,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 51 [2021-11-03 04:31:24,259 INFO L354 Elim1Store]: treesize reduction 73, result has 11.0 percent of original size [2021-11-03 04:31:24,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 18 [2021-11-03 04:31:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-03 04:31:24,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826520722] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:24,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1451150359] [2021-11-03 04:31:24,332 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:24,332 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:24,333 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:24,333 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:24,333 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:24,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:24,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:24,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:24,351 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_21|]} [2021-11-03 04:31:24,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:24,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:24,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:24,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:24,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:24,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:24,393 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:24,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,404 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:24,409 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:24,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:24,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:24,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:24,424 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_19|], 15=[|v_#valid_22|]} [2021-11-03 04:31:24,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,441 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:24,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:24,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:24,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:24,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,492 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:24,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:24,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:24,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:24,499 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:24,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,509 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:24,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:24,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:24,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:24,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:24,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:24,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:24,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:24,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:24,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:24,547 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:24,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:31:24,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:24,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:24,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:31:24,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:31:24,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:31:24,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:24,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:24,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:24,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:24,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:24,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:24,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:24,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:24,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:24,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:24,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:31:24,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:31:24,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:31:24,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:31:24,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:31:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:31:24,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:24,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:24,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:24,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:24,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:24,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:24,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,849 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:31:24,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:31:24,857 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:24,858 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:31:24,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,908 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:24,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:24,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:24,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:24,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:24,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:24,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:24,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:24,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:24,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:24,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:24,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:24,929 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:24,939 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:24,944 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:31:24,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:24,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,006 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-03 04:31:25,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 04:31:25,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,043 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:25,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:25,050 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:25,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:25,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,055 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:25,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:25,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,108 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:25,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:25,114 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:25,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:25,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:25,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:25,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,183 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:25,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:25,189 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:25,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:25,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:25,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:25,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,258 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:25,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:25,264 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:25,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:25,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,268 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:25,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:25,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,329 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:25,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:25,337 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:25,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:25,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:25,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:25,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:25,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:25,404 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:25,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:25,411 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:26,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:26,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:26,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 19] total 36 [2021-11-03 04:31:26,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777657906] [2021-11-03 04:31:26,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2021-11-03 04:31:26,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:26,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-11-03 04:31:26,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1526, Unknown=0, NotChecked=0, Total=1640 [2021-11-03 04:31:26,173 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:26,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:26,774 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2021-11-03 04:31:26,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-03 04:31:26,775 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-03 04:31:26,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:26,776 INFO L225 Difference]: With dead ends: 45 [2021-11-03 04:31:26,776 INFO L226 Difference]: Without dead ends: 42 [2021-11-03 04:31:26,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 37 SyntacticMatches, 21 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=120, Invalid=1602, Unknown=0, NotChecked=0, Total=1722 [2021-11-03 04:31:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-03 04:31:26,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2021-11-03 04:31:26,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:26,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2021-11-03 04:31:26,785 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 25 [2021-11-03 04:31:26,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:26,785 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2021-11-03 04:31:26,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:26,786 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-03 04:31:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 04:31:26,787 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:26,787 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:26,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:27,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-11-03 04:31:27,000 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:27,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:27,001 INFO L85 PathProgramCache]: Analyzing trace with hash 261601827, now seen corresponding path program 4 times [2021-11-03 04:31:27,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:27,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078220654] [2021-11-03 04:31:27,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:27,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:31:27,065 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:27,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078220654] [2021-11-03 04:31:27,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078220654] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:27,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998718217] [2021-11-03 04:31:27,066 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:31:27,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:27,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:27,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:27,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 04:31:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:27,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:31:27,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:31:27,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:31:27,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998718217] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:27,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [204238908] [2021-11-03 04:31:27,380 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:27,380 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:27,381 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:27,381 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:27,381 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:27,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:27,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:27,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:27,394 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_24|]} [2021-11-03 04:31:27,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:27,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:27,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:27,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:27,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:27,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:27,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:27,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,434 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:27,439 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:27,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:27,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:27,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:27,450 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_22|], 15=[|v_#valid_25|]} [2021-11-03 04:31:27,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,465 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:27,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:27,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:27,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:27,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,509 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:27,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:27,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:27,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:27,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,519 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:27,523 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,524 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:27,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:27,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:27,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:27,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:27,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:27,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:27,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:27,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:27,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:27,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:27,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:31:27,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:27,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:27,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:31:27,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:31:27,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:31:27,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:27,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:27,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:27,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:27,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:27,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:27,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:27,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:27,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:27,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:27,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:31:27,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:31:27,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:31:27,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:31:27,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:31:27,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:31:27,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:27,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:27,755 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:27,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:27,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:27,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:27,772 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,821 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:31:27,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:31:27,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:27,829 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:31:27,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,884 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:27,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:27,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:27,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:27,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:27,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:27,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:27,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:27,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:27,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,901 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:27,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:27,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:27,904 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:27,909 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:27,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:31:27,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,948 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:31:27,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:31:27,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:27,998 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:27,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:28,003 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:28,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:28,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:28,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:28,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,056 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:28,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:28,063 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:28,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:28,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,071 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:28,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:28,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,115 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:28,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:28,121 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:28,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:28,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:28,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:28,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,173 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:28,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:28,178 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:28,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:28,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,183 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:28,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:28,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,250 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:28,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:28,257 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:28,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:28,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:28,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:28,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:28,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:28,317 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:28,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:28,324 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:28,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:28,835 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:28,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2021-11-03 04:31:28,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704077473] [2021-11-03 04:31:28,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 04:31:28,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:28,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 04:31:28,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-11-03 04:31:28,837 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:28,985 INFO L93 Difference]: Finished difference Result 78 states and 100 transitions. [2021-11-03 04:31:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:31:28,985 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-03 04:31:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:28,986 INFO L225 Difference]: With dead ends: 78 [2021-11-03 04:31:28,986 INFO L226 Difference]: Without dead ends: 41 [2021-11-03 04:31:28,987 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-11-03 04:31:28,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-03 04:31:28,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-03 04:31:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2021-11-03 04:31:29,005 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 26 [2021-11-03 04:31:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:29,005 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2021-11-03 04:31:29,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-11-03 04:31:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 04:31:29,009 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:29,009 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:29,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:29,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable235 [2021-11-03 04:31:29,228 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:29,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:29,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1959144490, now seen corresponding path program 5 times [2021-11-03 04:31:29,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:29,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861855411] [2021-11-03 04:31:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:29,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-03 04:31:29,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:29,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861855411] [2021-11-03 04:31:29,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861855411] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:29,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175889091] [2021-11-03 04:31:29,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:31:29,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:29,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:29,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:29,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 04:31:29,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 04:31:29,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:31:29,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:31:29,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-03 04:31:29,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-03 04:31:29,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175889091] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:29,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [587353994] [2021-11-03 04:31:29,697 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:29,697 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:29,698 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:29,698 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:29,698 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:29,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:29,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:29,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:29,711 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_27|]} [2021-11-03 04:31:29,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:29,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:29,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:29,721 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:29,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:29,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:29,745 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:29,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,751 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:29,755 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:29,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:29,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:29,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:29,762 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_25|], 15=[|v_#valid_28|]} [2021-11-03 04:31:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,777 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:29,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:29,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:29,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:29,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,825 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:29,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:29,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:29,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:29,831 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,836 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:29,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,840 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:29,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:31:29,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:29,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:31:29,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:29,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:31:29,865 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:31:29,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:29,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:31:29,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:29,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:29,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,888 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:31:29,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:31:29,892 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:29,892 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:31:29,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:29,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:29,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:29,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:31:29,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:31:29,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:31:29,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:29,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:29,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:29,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:29,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:30,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:30,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:30,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:30,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:30,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:30,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:30,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:30,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:31:30,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:31:30,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:31:30,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:31:30,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:31:30,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:30,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:30,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:30,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:30,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:30,061 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:30,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:30,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:31:30,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:30,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:30,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:30,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,135 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:31:30,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:31:30,142 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:30,142 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:31:30,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,193 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:30,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:30,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:30,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:30,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:30,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:30,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:30,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:30,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:30,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:30,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:30,211 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:30,211 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:30,216 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:30,218 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:31:30,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,253 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:31:30,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:31:30,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,286 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:30,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:30,291 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:30,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:30,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:30,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:30,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,347 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:30,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:30,352 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:30,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:30,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:30,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:30,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,403 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:30,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:30,408 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:30,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:30,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,412 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:30,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:30,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,461 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:30,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:30,466 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:30,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:30,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,471 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:30,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:30,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,518 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:30,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:30,523 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:30,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:30,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:30,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:30,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:30,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:30,574 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:30,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:30,580 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:31,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:31,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:31,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-03 04:31:31,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315203744] [2021-11-03 04:31:31,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 04:31:31,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 04:31:31,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-11-03 04:31:31,018 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:31,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:31,179 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2021-11-03 04:31:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 04:31:31,179 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-03 04:31:31,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:31,180 INFO L225 Difference]: With dead ends: 62 [2021-11-03 04:31:31,180 INFO L226 Difference]: Without dead ends: 33 [2021-11-03 04:31:31,181 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2021-11-03 04:31:31,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-03 04:31:31,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-03 04:31:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2021-11-03 04:31:31,185 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 27 [2021-11-03 04:31:31,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:31,186 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2021-11-03 04:31:31,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-03 04:31:31,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 04:31:31,187 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:31,187 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:31,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:31,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable312 [2021-11-03 04:31:31,388 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:31,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:31,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1855861477, now seen corresponding path program 6 times [2021-11-03 04:31:31,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:31,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889288816] [2021-11-03 04:31:31,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:31,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:32,946 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:32,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:32,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889288816] [2021-11-03 04:31:32,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889288816] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:32,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753921872] [2021-11-03 04:31:32,947 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:31:32,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:32,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:32,954 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:32,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 04:31:33,163 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:31:33,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:31:33,165 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-03 04:31:33,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:31:34,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:36,487 INFO L354 Elim1Store]: treesize reduction 114, result has 46.0 percent of original size [2021-11-03 04:31:36,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 52 treesize of output 107 [2021-11-03 04:31:36,729 INFO L354 Elim1Store]: treesize reduction 198, result has 6.2 percent of original size [2021-11-03 04:31:36,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 24 [2021-11-03 04:31:36,813 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-03 04:31:36,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753921872] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:36,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [134929494] [2021-11-03 04:31:36,816 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:36,816 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:36,816 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:36,816 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:36,816 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:36,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:36,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:36,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:36,838 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_27|], 21=[|v_#valid_30|]} [2021-11-03 04:31:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:36,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:36,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:36,849 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:36,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:36,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:36,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:36,870 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:36,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:36,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,876 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:36,880 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:36,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:36,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:36,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:36,887 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_28|], 15=[|v_#valid_31|]} [2021-11-03 04:31:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,902 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:36,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:36,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:36,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:36,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:36,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,944 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:36,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:36,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:36,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:36,949 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:36,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:36,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,957 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:36,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,964 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:36,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:36,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:36,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:36,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:36,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:36,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:36,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:36,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:36,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:36,986 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:36,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:36,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:36,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:36,997 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:31:37,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:37,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:37,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:31:37,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:31:37,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:31:37,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:37,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:37,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:37,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:37,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:37,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:31:37,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:31:37,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:37,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:37,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:37,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:37,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:37,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:31:37,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:31:37,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:31:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:37,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:37,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:37,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:37,158 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:37,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:37,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:31:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:37,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:37,178 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:37,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,231 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:31:37,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:31:37,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:37,239 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:31:37,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,280 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:37,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:37,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:37,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:37,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:37,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:37,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:37,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:37,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:37,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:37,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:37,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:37,299 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:37,304 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:37,305 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:31:37,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,334 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-03 04:31:37,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 04:31:37,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,364 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:37,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:37,370 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:37,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:37,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,374 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:37,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:37,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,417 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:37,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:37,422 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:37,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:37,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:37,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:37,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,471 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:37,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:37,476 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:37,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:37,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:37,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:37,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,525 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:37,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:37,530 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:37,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:37,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,534 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:37,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:37,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,586 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:37,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:37,591 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:37,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:37,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:37,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:37,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:37,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:37,641 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:37,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:37,647 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:38,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:38,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:38,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 24, 25] total 68 [2021-11-03 04:31:38,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435102093] [2021-11-03 04:31:38,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2021-11-03 04:31:38,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:38,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-11-03 04:31:38,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=5028, Unknown=0, NotChecked=0, Total=5256 [2021-11-03 04:31:38,465 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 68 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:42,767 INFO L93 Difference]: Finished difference Result 84 states and 102 transitions. [2021-11-03 04:31:42,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-03 04:31:42,767 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 04:31:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:42,769 INFO L225 Difference]: With dead ends: 84 [2021-11-03 04:31:42,769 INFO L226 Difference]: Without dead ends: 81 [2021-11-03 04:31:42,773 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 42 SyntacticMatches, 12 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2552 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=556, Invalid=9746, Unknown=0, NotChecked=0, Total=10302 [2021-11-03 04:31:42,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-11-03 04:31:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 47. [2021-11-03 04:31:42,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:42,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2021-11-03 04:31:42,784 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 32 [2021-11-03 04:31:42,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:42,785 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-11-03 04:31:42,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 68 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:42,785 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-11-03 04:31:42,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-03 04:31:42,786 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:42,786 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:42,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:43,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:43,008 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:43,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash 268754161, now seen corresponding path program 7 times [2021-11-03 04:31:43,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:43,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749415206] [2021-11-03 04:31:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:43,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-03 04:31:43,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:43,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749415206] [2021-11-03 04:31:43,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749415206] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:43,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188095852] [2021-11-03 04:31:43,091 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:31:43,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:43,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:43,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:43,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 04:31:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:43,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 04:31:43,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-03 04:31:43,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-03 04:31:43,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188095852] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:43,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [521206488] [2021-11-03 04:31:43,522 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:43,522 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:43,522 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:43,522 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:43,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:43,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:43,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:43,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:43,534 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_30|], 21=[|v_#valid_33|]} [2021-11-03 04:31:43,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:43,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:43,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:43,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:43,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:43,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:43,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:43,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,573 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:43,577 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:43,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:43,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:43,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:43,583 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_31|], 15=[|v_#valid_34|]} [2021-11-03 04:31:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,598 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:43,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:43,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:43,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:43,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,644 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:43,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:43,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:43,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:43,655 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:43,662 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,663 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:43,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:31:43,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:43,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:31:43,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:43,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:31:43,678 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:31:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:31:43,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:43,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:43,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,721 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:31:43,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:31:43,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:31:43,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:43,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:43,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:31:43,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:31:43,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:31:43,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:43,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:43,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:43,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:43,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:43,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:31:43,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:31:43,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:43,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:43,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:43,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:43,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:43,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:31:43,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:43,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:31:43,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:31:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:43,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:43,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:43,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:43,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:31:43,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:43,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:43,931 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:43,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:43,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:43,972 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:31:43,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:31:43,992 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:43,993 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:31:43,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,042 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:44,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:44,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:44,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:44,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:44,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:44,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:44,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:44,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:44,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:44,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:44,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:44,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:44,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:44,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:44,066 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:44,068 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:31:44,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,118 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:31:44,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:31:44,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,153 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:44,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:44,158 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:44,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:44,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,163 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:44,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:44,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,213 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:44,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:44,218 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:44,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:44,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,222 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:44,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:44,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,268 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:44,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:44,273 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:44,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:44,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:44,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:44,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,320 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:44,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:44,325 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:44,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:44,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:44,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:44,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,376 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:44,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:44,382 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:44,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:44,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,386 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:44,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:44,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:44,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:44,428 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:44,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:44,435 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:44,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:44,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:44,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-03 04:31:44,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963316839] [2021-11-03 04:31:44,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-03 04:31:44,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:44,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-03 04:31:44,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-11-03 04:31:44,853 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:45,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:45,022 INFO L93 Difference]: Finished difference Result 110 states and 135 transitions. [2021-11-03 04:31:45,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 04:31:45,023 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-11-03 04:31:45,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:45,024 INFO L225 Difference]: With dead ends: 110 [2021-11-03 04:31:45,024 INFO L226 Difference]: Without dead ends: 48 [2021-11-03 04:31:45,025 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-11-03 04:31:45,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-03 04:31:45,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-11-03 04:31:45,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 47 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2021-11-03 04:31:45,036 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 33 [2021-11-03 04:31:45,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:45,036 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2021-11-03 04:31:45,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-03 04:31:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 04:31:45,037 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:45,037 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:45,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:45,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable467,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:45,240 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:45,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:45,240 INFO L85 PathProgramCache]: Analyzing trace with hash 972489694, now seen corresponding path program 8 times [2021-11-03 04:31:45,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:45,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554165960] [2021-11-03 04:31:45,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:45,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-03 04:31:45,322 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:45,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554165960] [2021-11-03 04:31:45,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554165960] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:45,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152048040] [2021-11-03 04:31:45,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:31:45,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:45,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:45,336 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:45,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 04:31:45,603 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 04:31:45,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:31:45,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-03 04:31:45,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-03 04:31:45,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:45,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-03 04:31:45,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152048040] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:45,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1889725494] [2021-11-03 04:31:45,856 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:45,856 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:45,856 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:45,856 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:45,856 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:45,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:45,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:45,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:45,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:45,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:45,868 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_32|], 21=[|v_#valid_35|]} [2021-11-03 04:31:45,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:45,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:45,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:45,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:45,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:45,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:45,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:45,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:45,899 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:45,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:45,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:45,904 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:45,904 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:45,908 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:45,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:45,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:45,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:45,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:45,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:45,916 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_33|], 15=[|v_#valid_36|]} [2021-11-03 04:31:45,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,934 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:45,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:45,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:45,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:45,937 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:45,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:45,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:45,990 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:45,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:45,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:45,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:45,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:45,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:45,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,001 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:46,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,003 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:46,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:31:46,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:46,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:31:46,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:46,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:31:46,024 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:31:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:31:46,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:46,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:46,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,046 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,048 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:31:46,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:31:46,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,052 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:31:46,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:46,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:46,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:31:46,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:31:46,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:31:46,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:46,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:46,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:46,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:46,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:46,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:31:46,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:31:46,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:46,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:46,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:46,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:46,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:46,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:31:46,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:31:46,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:31:46,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:31:46,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:46,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:31:46,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:46,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:46,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:46,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:46,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,290 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:31:46,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:31:46,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:46,296 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:31:46,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,341 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:46,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:46,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:46,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:46,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:46,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:46,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:46,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:46,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:46,353 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:46,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:46,358 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:46,363 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:46,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:31:46,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,393 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:31:46,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:31:46,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,423 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:46,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:46,428 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:46,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:46,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,432 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:46,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:46,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,495 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:46,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:46,500 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:46,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:46,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:46,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:46,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,546 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:46,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:46,551 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:46,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:46,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,555 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:46,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:46,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,595 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:46,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:46,600 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:46,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:46,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,604 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:46,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:46,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,645 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:46,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:46,650 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:46,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:46,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:46,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:46,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:46,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:46,697 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:46,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:46,707 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:47,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:47,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:47,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2021-11-03 04:31:47,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509929787] [2021-11-03 04:31:47,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-03 04:31:47,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:47,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-03 04:31:47,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2021-11-03 04:31:47,169 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:47,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:31:47,436 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2021-11-03 04:31:47,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 04:31:47,437 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 04:31:47,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:31:47,437 INFO L225 Difference]: With dead ends: 77 [2021-11-03 04:31:47,437 INFO L226 Difference]: Without dead ends: 40 [2021-11-03 04:31:47,440 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 91 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930 [2021-11-03 04:31:47,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-03 04:31:47,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-03 04:31:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2021-11-03 04:31:47,452 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 34 [2021-11-03 04:31:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:31:47,452 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2021-11-03 04:31:47,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.2) internal successors, (44), 20 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:31:47,452 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2021-11-03 04:31:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:31:47,453 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:31:47,454 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:31:47,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-03 04:31:47,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable545,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:47,676 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:31:47,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:31:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash 2066954702, now seen corresponding path program 9 times [2021-11-03 04:31:47,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:31:47,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78863917] [2021-11-03 04:31:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:31:47,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:31:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:50,063 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:31:50,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78863917] [2021-11-03 04:31:50,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78863917] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:31:50,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105729667] [2021-11-03 04:31:50,063 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:31:50,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:31:50,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:31:50,064 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:31:50,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-03 04:31:50,394 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:31:50,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:31:50,397 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-03 04:31:50,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:31:52,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:31:55,610 INFO L354 Elim1Store]: treesize reduction 227, result has 43.3 percent of original size [2021-11-03 04:31:55,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 69 treesize of output 185 [2021-11-03 04:31:56,376 INFO L354 Elim1Store]: treesize reduction 383, result has 4.3 percent of original size [2021-11-03 04:31:56,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 70 treesize of output 30 [2021-11-03 04:31:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-03 04:31:56,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105729667] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:31:56,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1254810497] [2021-11-03 04:31:56,505 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:31:56,505 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:31:56,505 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:31:56,505 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:31:56,506 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:31:56,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:31:56,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:56,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:31:56,517 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_35|], 21=[|v_#valid_38|]} [2021-11-03 04:31:56,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:31:56,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:56,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:56,528 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:31:56,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:56,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:31:56,570 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:31:56,575 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,575 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:31:56,578 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:31:56,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:31:56,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:31:56,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:31:56,587 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_36|], 15=[|v_#valid_39|]} [2021-11-03 04:31:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,601 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:31:56,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:31:56,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:56,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:31:56,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,608 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,640 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:31:56,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:31:56,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:56,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:56,643 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:31:56,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,672 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:31:56,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:56,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:56,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:56,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:56,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:56,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:56,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:56,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:56,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:56,701 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:31:56,713 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,714 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:31:56,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:56,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:56,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:31:56,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:31:56,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:31:56,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:56,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:56,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:31:56,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:31:56,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:56,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:56,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:31:56,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:56,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:31:56,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:31:56,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:31:56,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:31:56,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:31:56,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:31:56,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:31:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:31:56,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:56,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:31:56,873 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:56,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:31:56,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:56,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:31:56,893 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,920 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,931 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:31:56,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:31:56,937 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:31:56,937 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:31:56,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,977 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:31:56,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:31:56,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:31:56,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:31:56,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:31:56,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:56,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:31:56,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:56,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:31:56,989 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:56,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:56,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:31:56,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:31:56,994 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:31:56,999 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:31:57,000 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:31:57,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,028 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-03 04:31:57,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 04:31:57,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,055 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:57,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:57,060 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:57,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:57,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:57,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:57,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,105 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:57,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:57,110 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:57,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:57,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,114 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:57,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:57,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,154 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:57,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:57,158 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:57,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:57,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,179 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:57,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:57,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,220 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:57,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:57,225 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:57,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:57,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:31:57,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:31:57,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,278 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:57,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:57,283 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:31:57,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:31:57,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,287 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:31:57,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:57,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:31:57,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:31:57,328 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:31:57,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:31:57,333 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:31:58,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:31:58,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:31:58,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 30, 31] total 86 [2021-11-03 04:31:58,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425643714] [2021-11-03 04:31:58,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2021-11-03 04:31:58,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:31:58,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-11-03 04:31:58,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=7904, Unknown=0, NotChecked=0, Total=8190 [2021-11-03 04:31:58,387 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 86 states, 86 states have (on average 1.186046511627907) internal successors, (102), 86 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:05,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:05,649 INFO L93 Difference]: Finished difference Result 101 states and 119 transitions. [2021-11-03 04:32:05,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-03 04:32:05,649 INFO L78 Accepts]: Start accepts. Automaton has has 86 states, 86 states have (on average 1.186046511627907) internal successors, (102), 86 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-03 04:32:05,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:05,650 INFO L225 Difference]: With dead ends: 101 [2021-11-03 04:32:05,650 INFO L226 Difference]: Without dead ends: 98 [2021-11-03 04:32:05,660 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 53 SyntacticMatches, 11 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3993 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=845, Invalid=16185, Unknown=0, NotChecked=0, Total=17030 [2021-11-03 04:32:05,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-03 04:32:05,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 57. [2021-11-03 04:32:05,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 56 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2021-11-03 04:32:05,686 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 39 [2021-11-03 04:32:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:05,686 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2021-11-03 04:32:05,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.186046511627907) internal successors, (102), 86 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2021-11-03 04:32:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-03 04:32:05,688 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:32:05,689 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:05,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:05,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable623 [2021-11-03 04:32:05,889 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:32:05,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:05,890 INFO L85 PathProgramCache]: Analyzing trace with hash 379486144, now seen corresponding path program 10 times [2021-11-03 04:32:05,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:32:05,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184719404] [2021-11-03 04:32:05,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:05,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:05,997 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-03 04:32:05,998 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:32:05,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184719404] [2021-11-03 04:32:05,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184719404] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:32:05,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464863707] [2021-11-03 04:32:05,998 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:32:05,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:05,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:32:05,999 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:32:06,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-03 04:32:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:06,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 04:32:06,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-03 04:32:06,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:32:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-03 04:32:06,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464863707] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:32:06,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1416819704] [2021-11-03 04:32:06,619 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:32:06,620 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:32:06,620 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:32:06,620 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:32:06,620 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:32:06,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:06,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:06,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:32:06,631 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_38|], 21=[|v_#valid_41|]} [2021-11-03 04:32:06,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:32:06,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:06,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:06,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:32:06,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:06,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:06,654 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:32:06,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,667 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:32:06,670 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:32:06,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:06,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:32:06,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:32:06,682 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_39|], 15=[|v_#valid_42|]} [2021-11-03 04:32:06,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,698 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:32:06,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:32:06,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:06,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:06,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,743 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:32:06,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:32:06,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:06,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:06,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:32:06,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,751 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:32:06,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:06,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:06,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:06,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:06,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:06,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:32:06,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:06,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:06,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:06,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:32:06,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,791 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:32:06,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:06,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:06,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:06,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:32:06,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:06,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:32:06,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:32:06,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:32:06,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:06,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:06,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:32:06,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:32:06,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:32:06,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:06,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:06,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:06,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:06,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:06,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:32:06,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:06,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:32:06,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:32:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:06,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:06,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:06,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:06,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:32:06,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:32:06,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:06,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:32:06,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:06,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,004 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,016 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:32:07,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:32:07,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:32:07,022 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:32:07,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,057 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:32:07,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:07,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:07,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:07,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:32:07,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:07,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:07,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:07,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:32:07,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:07,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:07,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:07,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,071 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:07,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:07,075 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:32:07,079 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:32:07,080 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:32:07,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,103 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-03 04:32:07,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 04:32:07,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,130 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:07,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:07,135 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:07,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:07,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:07,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:07,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,186 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:07,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:07,190 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:07,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:07,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,194 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:07,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:07,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,233 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:07,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:07,237 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:07,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:07,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,242 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:07,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:07,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,281 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:07,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:07,286 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:07,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:07,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:07,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:07,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,339 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:07,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:07,342 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:07,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:07,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:07,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:07,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:07,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:07,384 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:07,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:07,390 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:32:07,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:32:07,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:32:07,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2021-11-03 04:32:07,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902082050] [2021-11-03 04:32:07,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-03 04:32:07,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:32:07,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-03 04:32:07,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-11-03 04:32:07,817 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:08,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:08,042 INFO L93 Difference]: Finished difference Result 134 states and 159 transitions. [2021-11-03 04:32:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:32:08,043 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-03 04:32:08,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:08,043 INFO L225 Difference]: With dead ends: 134 [2021-11-03 04:32:08,043 INFO L226 Difference]: Without dead ends: 58 [2021-11-03 04:32:08,044 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2021-11-03 04:32:08,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-03 04:32:08,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-11-03 04:32:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 57 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:08,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2021-11-03 04:32:08,063 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 40 [2021-11-03 04:32:08,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:08,064 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2021-11-03 04:32:08,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2021-11-03 04:32:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:32:08,065 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:32:08,065 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:08,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:08,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable700 [2021-11-03 04:32:08,284 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:32:08,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:08,284 INFO L85 PathProgramCache]: Analyzing trace with hash -796122061, now seen corresponding path program 11 times [2021-11-03 04:32:08,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:32:08,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672520527] [2021-11-03 04:32:08,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:08,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 04:32:08,393 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:32:08,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672520527] [2021-11-03 04:32:08,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672520527] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:32:08,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122761819] [2021-11-03 04:32:08,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:32:08,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:08,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:32:08,395 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:32:08,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-03 04:32:08,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-03 04:32:08,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:32:08,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 04:32:08,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 04:32:09,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:32:09,119 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 04:32:09,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122761819] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:32:09,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [630459209] [2021-11-03 04:32:09,122 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:32:09,122 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:32:09,122 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:32:09,122 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:32:09,122 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:32:09,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:09,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:09,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:32:09,130 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_41|], 21=[|v_#valid_44|]} [2021-11-03 04:32:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:32:09,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:09,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:09,145 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,147 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:32:09,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:09,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:09,160 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:32:09,163 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,163 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:32:09,166 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:32:09,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:32:09,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:09,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:32:09,179 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_42|], 15=[|v_#valid_45|]} [2021-11-03 04:32:09,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,191 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:32:09,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:32:09,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:09,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:09,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,226 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:32:09,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:32:09,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:09,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:09,230 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:32:09,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,234 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:32:09,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:09,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:09,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:09,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:09,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:09,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:32:09,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:09,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:09,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:09,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:32:09,274 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,274 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:32:09,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:32:09,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:09,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:32:09,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:32:09,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:32:09,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:09,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:09,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:09,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:09,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:32:09,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:32:09,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:32:09,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:09,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:09,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:09,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:09,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:09,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:32:09,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:32:09,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:32:09,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:09,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:09,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:09,399 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:09,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:32:09,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:32:09,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:32:09,419 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,448 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:32:09,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:32:09,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:32:09,455 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:32:09,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,491 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:32:09,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:09,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:32:09,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:09,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:09,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:09,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:32:09,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:09,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:09,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:09,509 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:09,509 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:32:09,514 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:32:09,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:32:09,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,540 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:32:09,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:32:09,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,565 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:09,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:09,569 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:09,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:09,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,571 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:09,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:09,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,597 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:09,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:09,617 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:09,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:09,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:09,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:09,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,666 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:09,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:09,670 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:09,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:09,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,675 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:09,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:09,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,713 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:09,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:09,717 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:09,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:09,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:09,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:09,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,772 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:09,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:09,778 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:09,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:09,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:09,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:09,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:09,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:09,824 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:09,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:09,830 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:32:10,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:32:10,229 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:32:10,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2021-11-03 04:32:10,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780225657] [2021-11-03 04:32:10,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-03 04:32:10,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:32:10,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-03 04:32:10,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2021-11-03 04:32:10,230 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:10,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:10,392 INFO L93 Difference]: Finished difference Result 92 states and 112 transitions. [2021-11-03 04:32:10,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 04:32:10,392 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-03 04:32:10,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:10,393 INFO L225 Difference]: With dead ends: 92 [2021-11-03 04:32:10,393 INFO L226 Difference]: Without dead ends: 47 [2021-11-03 04:32:10,394 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 109 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2021-11-03 04:32:10,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-03 04:32:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-03 04:32:10,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2021-11-03 04:32:10,407 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 41 [2021-11-03 04:32:10,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:10,407 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2021-11-03 04:32:10,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.45) internal successors, (49), 20 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:10,408 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-03 04:32:10,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 04:32:10,408 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:32:10,409 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:10,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:10,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable777 [2021-11-03 04:32:10,628 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:32:10,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:10,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1528902075, now seen corresponding path program 12 times [2021-11-03 04:32:10,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:32:10,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780709060] [2021-11-03 04:32:10,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:10,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:32:13,560 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:32:13,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780709060] [2021-11-03 04:32:13,564 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780709060] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:32:13,564 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275346287] [2021-11-03 04:32:13,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:32:13,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:13,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:32:13,565 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:32:13,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-03 04:32:13,938 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:32:13,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:32:13,945 WARN L261 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-03 04:32:13,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:32:17,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:32:21,858 INFO L354 Elim1Store]: treesize reduction 378, result has 41.8 percent of original size [2021-11-03 04:32:21,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 87 treesize of output 286 [2021-11-03 04:32:23,182 INFO L354 Elim1Store]: treesize reduction 628, result has 3.2 percent of original size [2021-11-03 04:32:23,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 35 [2021-11-03 04:32:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-03 04:32:23,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275346287] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:32:23,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1371564966] [2021-11-03 04:32:23,305 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:32:23,305 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:32:23,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:32:23,306 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:32:23,306 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:32:23,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:23,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:23,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:32:23,319 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_44|], 21=[|v_#valid_47|]} [2021-11-03 04:32:23,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:32:23,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:23,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:23,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:32:23,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:23,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:23,344 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:32:23,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,347 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:32:23,350 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:32:23,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:32:23,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:23,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:32:23,357 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_45|], 15=[|v_#valid_48|]} [2021-11-03 04:32:23,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,369 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:32:23,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:32:23,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:23,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:23,371 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,410 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:32:23,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:32:23,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:23,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:23,417 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:32:23,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,431 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:32:23,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:32:23,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:23,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:32:23,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:23,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:32:23,444 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:32:23,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:32:23,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:23,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:23,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,464 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:32:23,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:32:23,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,467 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:32:23,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:23,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:23,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:32:23,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:32:23,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:32:23,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:23,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:23,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:23,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:23,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:23,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:32:23,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:32:23,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:23,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:23,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:23,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:23,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:23,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:32:23,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:32:23,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:32:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:23,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:23,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:23,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:23,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:32:23,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:32:23,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:32:23,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,668 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:32:23,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:32:23,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:32:23,674 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:32:23,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,715 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:32:23,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:23,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:32:23,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:23,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:23,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:23,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:32:23,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:23,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:23,732 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:23,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:23,737 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:32:23,741 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:32:23,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:32:23,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,769 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:32:23,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:32:23,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,800 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:23,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:23,804 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:23,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:23,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:23,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:23,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,880 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:23,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:23,885 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:23,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:23,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,889 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:23,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:23,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,929 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:23,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:23,934 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:23,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:23,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:23,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:23,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,983 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:23,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:23,988 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:23,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:23,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:23,992 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:23,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:23,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:24,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:24,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,020 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:24,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:24,028 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:24,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:24,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:24,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:24,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:24,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:24,071 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:24,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:24,080 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:32:25,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:32:25,166 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:32:25,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 36, 37] total 105 [2021-11-03 04:32:25,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445560840] [2021-11-03 04:32:25,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2021-11-03 04:32:25,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:32:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2021-11-03 04:32:25,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=11630, Unknown=0, NotChecked=0, Total=11990 [2021-11-03 04:32:25,172 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 105 states, 105 states have (on average 1.1523809523809523) internal successors, (121), 105 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:35,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:35,597 INFO L93 Difference]: Finished difference Result 117 states and 135 transitions. [2021-11-03 04:32:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-11-03 04:32:35,597 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 105 states have (on average 1.1523809523809523) internal successors, (121), 105 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 04:32:35,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:35,598 INFO L225 Difference]: With dead ends: 117 [2021-11-03 04:32:35,598 INFO L226 Difference]: Without dead ends: 114 [2021-11-03 04:32:35,600 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 62 SyntacticMatches, 11 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5748 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=1061, Invalid=22809, Unknown=0, NotChecked=0, Total=23870 [2021-11-03 04:32:35,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-11-03 04:32:35,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 67. [2021-11-03 04:32:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 66 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2021-11-03 04:32:35,627 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 46 [2021-11-03 04:32:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:35,628 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2021-11-03 04:32:35,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 1.1523809523809523) internal successors, (121), 105 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-03 04:32:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:32:35,629 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:32:35,630 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:35,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:35,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable854,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:35,836 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:32:35,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:35,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1525914513, now seen corresponding path program 13 times [2021-11-03 04:32:35,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:32:35,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563659783] [2021-11-03 04:32:35,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:35,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-03 04:32:35,967 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:32:35,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563659783] [2021-11-03 04:32:35,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563659783] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:32:35,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497096374] [2021-11-03 04:32:35,968 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:32:35,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:35,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:32:35,969 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:32:35,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-03 04:32:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:36,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-03 04:32:36,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:36,779 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-03 04:32:36,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:32:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-03 04:32:36,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497096374] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:32:36,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1145258428] [2021-11-03 04:32:36,909 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:32:36,909 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:32:36,910 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:32:36,910 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:32:36,910 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:32:36,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:36,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:36,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:36,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:36,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:32:36,918 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_47|], 21=[|v_#valid_50|]} [2021-11-03 04:32:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:32:36,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:36,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:36,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:36,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:36,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:32:36,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:36,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:36,950 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:36,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:36,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:32:36,955 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:36,955 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:32:36,958 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:32:36,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:36,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:32:36,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:36,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:36,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:32:36,964 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_48|], 15=[|v_#valid_51|]} [2021-11-03 04:32:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,979 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:32:36,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:32:36,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:36,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:36,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:36,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:36,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,017 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:32:37,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:32:37,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:37,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:37,022 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:32:37,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,029 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:32:37,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:32:37,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:37,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:32:37,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:37,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:32:37,037 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:32:37,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:32:37,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:37,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:37,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,064 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:32:37,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:32:37,067 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,067 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:32:37,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:37,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:37,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:37,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:37,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:32:37,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:32:37,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:32:37,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:37,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:37,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:37,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:32:37,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:32:37,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:37,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:37,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:37,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:37,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:37,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:32:37,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:32:37,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:32:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:32:37,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:32:37,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:32:37,206 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:37,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:37,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:37,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:37,218 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,241 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:32:37,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:32:37,249 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:32:37,249 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:32:37,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,299 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:32:37,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:37,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:32:37,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:37,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:37,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:37,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:32:37,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:37,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:37,312 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,314 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:37,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:37,317 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:32:37,323 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:32:37,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:32:37,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,357 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:32:37,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:32:37,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,387 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:37,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:37,392 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:37,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:37,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,397 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:37,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:37,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,438 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:37,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:37,443 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:37,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:37,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,455 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:37,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:37,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,494 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:37,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:37,497 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:37,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:37,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:37,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:37,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,540 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:37,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:37,545 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:37,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:37,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,549 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:37,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:37,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,587 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:37,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:37,591 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:37,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:37,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:37,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:37,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:37,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:37,619 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:37,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:37,623 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:32:38,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:32:38,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:32:38,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2021-11-03 04:32:38,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345410303] [2021-11-03 04:32:38,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-03 04:32:38,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:32:38,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-03 04:32:38,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2021-11-03 04:32:38,048 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:38,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:38,299 INFO L93 Difference]: Finished difference Result 158 states and 183 transitions. [2021-11-03 04:32:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 04:32:38,300 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-03 04:32:38,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:38,300 INFO L225 Difference]: With dead ends: 158 [2021-11-03 04:32:38,300 INFO L226 Difference]: Without dead ends: 68 [2021-11-03 04:32:38,302 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2021-11-03 04:32:38,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-03 04:32:38,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-03 04:32:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.164179104477612) internal successors, (78), 67 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2021-11-03 04:32:38,322 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 47 [2021-11-03 04:32:38,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:38,322 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2021-11-03 04:32:38,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2021-11-03 04:32:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-03 04:32:38,324 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:32:38,324 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:38,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:38,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable932 [2021-11-03 04:32:38,538 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:32:38,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:38,539 INFO L85 PathProgramCache]: Analyzing trace with hash -145973314, now seen corresponding path program 14 times [2021-11-03 04:32:38,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:32:38,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559452356] [2021-11-03 04:32:38,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:38,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-03 04:32:38,665 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:32:38,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559452356] [2021-11-03 04:32:38,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559452356] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:32:38,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000540411] [2021-11-03 04:32:38,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:32:38,665 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:38,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:32:38,666 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:32:38,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-03 04:32:39,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-03 04:32:39,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:32:39,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-03 04:32:39,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-03 04:32:39,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:32:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-03 04:32:39,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000540411] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:32:39,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [931341712] [2021-11-03 04:32:39,486 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:32:39,487 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:32:39,487 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:32:39,487 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:32:39,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:32:39,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:39,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:39,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:32:39,508 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_50|], 21=[|v_#valid_53|]} [2021-11-03 04:32:39,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:32:39,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:39,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:39,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:32:39,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:39,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:39,538 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:32:39,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,541 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:32:39,546 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:32:39,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:39,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:32:39,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:32:39,551 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_51|], 15=[|v_#valid_54|]} [2021-11-03 04:32:39,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,563 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:32:39,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:32:39,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:39,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:32:39,565 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,597 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:32:39,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:32:39,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:39,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:39,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:32:39,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,605 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:32:39,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:39,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:39,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:39,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:39,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:39,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:32:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:39,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:39,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:39,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:32:39,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:32:39,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:39,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:39,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:32:39,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:39,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:32:39,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:32:39,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:32:39,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:39,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:39,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:32:39,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:32:39,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:32:39,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:39,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:32:39,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:32:39,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:32:39,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:32:39,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:32:39,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:32:39,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:32:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:32:39,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:39,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:32:39,762 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:39,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:32:39,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:32:39,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:32:39,782 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,819 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:32:39,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:32:39,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:32:39,825 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:32:39,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,862 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:32:39,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:39,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:32:39,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:39,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:32:39,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:39,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:32:39,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:39,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:39,874 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,876 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:32:39,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:39,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:32:39,883 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:32:39,885 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:32:39,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,903 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-03 04:32:39,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-03 04:32:39,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,933 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:39,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:39,936 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:39,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:39,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:39,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:39,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,978 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:39,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:39,982 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:39,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:39,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,984 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:39,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:39,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:39,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:39,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,024 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:40,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:40,028 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:40,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:40,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:40,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:32:40,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:40,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:32:40,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,062 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:40,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:40,066 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:40,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:40,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:40,069 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:40,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:40,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:40,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,105 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:40,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:40,109 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:32:40,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:32:40,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:40,113 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:32:40,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:40,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:32:40,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:40,153 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:32:40,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:32:40,159 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:32:40,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:32:40,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:32:40,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2021-11-03 04:32:40,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157651431] [2021-11-03 04:32:40,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-03 04:32:40,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:32:40,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-03 04:32:40,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2021-11-03 04:32:40,574 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:32:40,778 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2021-11-03 04:32:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 04:32:40,778 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-03 04:32:40,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:32:40,779 INFO L225 Difference]: With dead ends: 107 [2021-11-03 04:32:40,779 INFO L226 Difference]: Without dead ends: 54 [2021-11-03 04:32:40,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=276, Invalid=914, Unknown=0, NotChecked=0, Total=1190 [2021-11-03 04:32:40,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-03 04:32:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-03 04:32:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:40,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2021-11-03 04:32:40,795 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 48 [2021-11-03 04:32:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:32:40,796 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2021-11-03 04:32:40,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:32:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2021-11-03 04:32:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-03 04:32:40,796 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:32:40,797 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:32:40,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-03 04:32:41,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1010,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:41,000 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:32:41,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:32:41,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2929390, now seen corresponding path program 15 times [2021-11-03 04:32:41,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:32:41,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070186355] [2021-11-03 04:32:41,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:32:41,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:32:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:32:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 3 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:32:45,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:32:45,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070186355] [2021-11-03 04:32:45,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070186355] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:32:45,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366892419] [2021-11-03 04:32:45,206 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:32:45,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:32:45,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:32:45,206 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:32:45,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-03 04:32:45,733 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:32:45,733 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:32:45,736 WARN L261 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-03 04:32:45,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:32:49,701 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-03 04:32:49,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:32:56,577 INFO L354 Elim1Store]: treesize reduction 567, result has 40.8 percent of original size [2021-11-03 04:32:56,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 103 treesize of output 407 [2021-11-03 04:32:59,753 INFO L354 Elim1Store]: treesize reduction 933, result has 2.6 percent of original size [2021-11-03 04:32:59,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 104 treesize of output 42 [2021-11-03 04:32:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-03 04:32:59,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366892419] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:32:59,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1020775829] [2021-11-03 04:32:59,937 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:32:59,937 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:32:59,938 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:32:59,938 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:32:59,938 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:32:59,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:59,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:32:59,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:59,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:32:59,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:32:59,950 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_53|], 21=[|v_#valid_56|]} [2021-11-03 04:32:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:32:59,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:59,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:32:59,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:59,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:59,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:32:59,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:59,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:32:59,972 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:32:59,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:32:59,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:32:59,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:32:59,975 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:32:59,978 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:32:59,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:59,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:32:59,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:32:59,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:32:59,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:32:59,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:32:59,992 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_54|], 15=[|v_#valid_57|]} [2021-11-03 04:32:59,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:32:59,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,003 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:33:00,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:33:00,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:00,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:00,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,037 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:33:00,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:33:00,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:00,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:00,040 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:33:00,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,045 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:33:00,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:00,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:00,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:00,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:00,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:00,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:00,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:00,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:00,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:00,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:00,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,069 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:33:00,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:00,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:00,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:00,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:00,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:33:00,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:33:00,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:33:00,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:00,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:00,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:00,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:00,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:00,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:00,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:00,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:00,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:33:00,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:33:00,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:33:00,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:33:00,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:33:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:00,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:00,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:00,165 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:00,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:33:00,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:00,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:00,180 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,203 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:33:00,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:33:00,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:33:00,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:33:00,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,240 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:33:00,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:00,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:33:00,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:00,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:00,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:00,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:33:00,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:00,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:00,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:00,257 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:00,258 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:33:00,262 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:33:00,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:33:00,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,289 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:33:00,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:33:00,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,316 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:00,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:00,321 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:00,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:00,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,325 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:00,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:00,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,352 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:00,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:00,356 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:00,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:00,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:00,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:00,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,384 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:00,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:00,387 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:00,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:00,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,390 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:00,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:00,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,417 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:00,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:00,421 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:00,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:00,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:00,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:00,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,450 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:00,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:00,453 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:00,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:00,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,456 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:00,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:00,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:00,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:00,499 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:00,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:00,503 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:33:01,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:33:01,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:33:01,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 42, 43] total 116 [2021-11-03 04:33:01,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207429375] [2021-11-03 04:33:01,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2021-11-03 04:33:01,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:33:01,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2021-11-03 04:33:01,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=14134, Unknown=0, NotChecked=0, Total=14520 [2021-11-03 04:33:01,699 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 116 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 116 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:11,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:33:11,470 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2021-11-03 04:33:11,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-03 04:33:11,471 INFO L78 Accepts]: Start accepts. Automaton has has 116 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 116 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2021-11-03 04:33:11,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:33:11,472 INFO L225 Difference]: With dead ends: 93 [2021-11-03 04:33:11,472 INFO L226 Difference]: Without dead ends: 90 [2021-11-03 04:33:11,474 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 71 SyntacticMatches, 19 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5358 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=786, Invalid=23706, Unknown=0, NotChecked=0, Total=24492 [2021-11-03 04:33:11,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-03 04:33:11,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2021-11-03 04:33:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.144578313253012) internal successors, (95), 83 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2021-11-03 04:33:11,507 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 53 [2021-11-03 04:33:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:33:11,507 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2021-11-03 04:33:11,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 1.1379310344827587) internal successors, (132), 116 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2021-11-03 04:33:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:33:11,508 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:33:11,508 INFO L513 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:33:11,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-03 04:33:11,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1087,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:11,710 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:33:11,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:33:11,711 INFO L85 PathProgramCache]: Analyzing trace with hash -514525469, now seen corresponding path program 16 times [2021-11-03 04:33:11,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:33:11,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748199078] [2021-11-03 04:33:11,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:33:11,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:33:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-03 04:33:11,851 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:33:11,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748199078] [2021-11-03 04:33:11,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748199078] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:33:11,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136084953] [2021-11-03 04:33:11,851 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:33:11,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:11,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:33:11,864 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:33:11,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-03 04:33:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:12,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 04:33:12,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:33:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-03 04:33:12,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:33:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-03 04:33:12,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136084953] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:33:12,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [174776672] [2021-11-03 04:33:12,859 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:33:12,859 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:33:12,859 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:33:12,859 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:33:12,860 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:33:12,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:12,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:33:12,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:33:12,879 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_56|], 21=[|v_#valid_59|]} [2021-11-03 04:33:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:33:12,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:12,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:12,890 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:12,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:12,893 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:33:12,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:12,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:12,909 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:12,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:12,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:33:12,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:12,914 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:33:12,917 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:33:12,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:33:12,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:33:12,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:33:12,923 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_57|], 15=[|v_#valid_60|]} [2021-11-03 04:33:12,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,938 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:33:12,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:33:12,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:12,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:12,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:12,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:12,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:12,976 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:33:12,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:33:12,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:12,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:12,981 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:12,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:12,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:33:12,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:12,986 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:33:12,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:12,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:12,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:12,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:12,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:12,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:12,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:12,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:13,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:13,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:13,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:13,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:13,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:13,009 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:33:13,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:13,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:13,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:13,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:13,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:33:13,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:33:13,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:33:13,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:13,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:13,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:13,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:33:13,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:33:13,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:13,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:13,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:13,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:13,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:13,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:33:13,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:33:13,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:33:13,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:33:13,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:13,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:13,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:13,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:13,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:13,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:13,113 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:13,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,167 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:33:13,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:33:13,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:33:13,170 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:33:13,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,194 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:33:13,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:13,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:33:13,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:13,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:13,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:13,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:33:13,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:13,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:13,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:13,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:13,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:13,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:33:13,211 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:33:13,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:33:13,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,255 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:33:13,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:33:13,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,282 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:13,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:13,287 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:13,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:13,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,291 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:13,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:13,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,321 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:13,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:13,325 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:13,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:13,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,328 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:13,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:13,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,353 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:13,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:13,356 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:13,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:13,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:13,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:13,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,384 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:13,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:13,388 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:13,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:13,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,390 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:13,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,418 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:13,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:13,422 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:13,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:13,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:13,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:13,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:13,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:13,456 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:13,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:13,461 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:33:13,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:33:13,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:33:13,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2021-11-03 04:33:13,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173440084] [2021-11-03 04:33:13,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-03 04:33:13,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:33:13,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-03 04:33:13,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=696, Unknown=0, NotChecked=0, Total=870 [2021-11-03 04:33:13,896 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 25 states, 25 states have (on average 1.64) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:14,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:33:14,195 INFO L93 Difference]: Finished difference Result 166 states and 188 transitions. [2021-11-03 04:33:14,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 04:33:14,195 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.64) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-03 04:33:14,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:33:14,196 INFO L225 Difference]: With dead ends: 166 [2021-11-03 04:33:14,196 INFO L226 Difference]: Without dead ends: 85 [2021-11-03 04:33:14,197 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=267, Invalid=1065, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 04:33:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-03 04:33:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-03 04:33:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.1428571428571428) internal successors, (96), 84 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2021-11-03 04:33:14,224 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 54 [2021-11-03 04:33:14,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:33:14,225 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2021-11-03 04:33:14,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.64) internal successors, (41), 25 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-11-03 04:33:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-03 04:33:14,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:33:14,225 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:33:14,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-03 04:33:14,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1164,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:14,426 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:33:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:33:14,426 INFO L85 PathProgramCache]: Analyzing trace with hash 639915542, now seen corresponding path program 17 times [2021-11-03 04:33:14,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:33:14,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372610046] [2021-11-03 04:33:14,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:33:14,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:33:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-03 04:33:14,577 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:33:14,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372610046] [2021-11-03 04:33:14,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372610046] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:33:14,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105543824] [2021-11-03 04:33:14,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:33:14,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:33:14,580 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:33:14,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-03 04:33:15,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-03 04:33:15,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:33:15,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 04:33:15,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:33:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-03 04:33:15,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:33:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-03 04:33:15,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105543824] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:33:15,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [872190417] [2021-11-03 04:33:15,634 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:33:15,634 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:33:15,634 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:33:15,634 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:33:15,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:33:15,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:15,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:33:15,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:33:15,643 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_59|], 21=[|v_#valid_62|]} [2021-11-03 04:33:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:33:15,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:15,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:15,653 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:33:15,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:15,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:15,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:33:15,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,677 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:33:15,680 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:33:15,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:33:15,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:33:15,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:33:15,687 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_60|], 15=[|v_#valid_63|]} [2021-11-03 04:33:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,701 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:33:15,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:33:15,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:15,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:15,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,741 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:33:15,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:33:15,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:15,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:15,747 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:33:15,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,754 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:33:15,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:15,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:15,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:15,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:15,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:15,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:15,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:15,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:15,778 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:15,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,788 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:33:15,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:15,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:15,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:15,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:15,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:33:15,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:33:15,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:33:15,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:15,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:15,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:15,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:33:15,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:33:15,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:15,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:15,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:15,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:15,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:15,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:33:15,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:33:15,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:33:15,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:15,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:15,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:15,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:15,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:33:15,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:15,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:15,930 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,954 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:33:15,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:33:15,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:33:15,957 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:33:15,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,982 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:33:15,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:15,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:33:15,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:15,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:15,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:15,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:33:15,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:15,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:15,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:15,993 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:15,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:15,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:15,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:33:15,998 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:33:15,999 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:33:16,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,034 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-03 04:33:16,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 04:33:16,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,057 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:16,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:16,061 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:16,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:16,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,063 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:16,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:16,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,088 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:16,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:16,091 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:16,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:16,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,094 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:16,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:16,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,124 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:16,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:16,128 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:16,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:16,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,130 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:16,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:16,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,163 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:16,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:16,167 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:16,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:16,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,170 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:16,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:16,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,198 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:16,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:16,201 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:16,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:16,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:16,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:16,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:16,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:16,229 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:16,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:16,238 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:33:16,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:33:16,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:33:16,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2021-11-03 04:33:16,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662382917] [2021-11-03 04:33:16,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-03 04:33:16,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:33:16,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-03 04:33:16,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2021-11-03 04:33:16,648 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:16,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:33:16,918 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2021-11-03 04:33:16,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 04:33:16,919 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-03 04:33:16,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:33:16,919 INFO L225 Difference]: With dead ends: 122 [2021-11-03 04:33:16,919 INFO L226 Difference]: Without dead ends: 61 [2021-11-03 04:33:16,919 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=348, Invalid=1134, Unknown=0, NotChecked=0, Total=1482 [2021-11-03 04:33:16,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-03 04:33:16,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-03 04:33:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1166666666666667) internal successors, (67), 60 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:16,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2021-11-03 04:33:16,937 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 55 [2021-11-03 04:33:16,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:33:16,938 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2021-11-03 04:33:16,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2021-11-03 04:33:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 04:33:16,938 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:33:16,938 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:33:16,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-03 04:33:17,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1241,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:17,139 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:33:17,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:33:17,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1609630117, now seen corresponding path program 18 times [2021-11-03 04:33:17,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:33:17,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697127841] [2021-11-03 04:33:17,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:33:17,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:33:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:22,228 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:33:22,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:33:22,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697127841] [2021-11-03 04:33:22,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697127841] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:33:22,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131950466] [2021-11-03 04:33:22,229 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:33:22,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:33:22,230 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:33:22,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-03 04:33:22,976 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:33:22,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:33:22,980 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-03 04:33:22,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:33:27,374 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-03 04:33:27,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 20 [2021-11-03 04:33:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-03 04:33:27,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:33:37,162 INFO L354 Elim1Store]: treesize reduction 794, result has 40.2 percent of original size [2021-11-03 04:33:37,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 121 treesize of output 552 [2021-11-03 04:33:41,981 INFO L354 Elim1Store]: treesize reduction 1298, result has 2.2 percent of original size [2021-11-03 04:33:41,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 120 treesize of output 47 [2021-11-03 04:33:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-03 04:33:42,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131950466] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:33:42,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [559467199] [2021-11-03 04:33:42,147 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:33:42,148 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:33:42,148 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:33:42,148 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:33:42,148 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:33:42,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:33:42,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:42,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:33:42,158 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_62|], 21=[|v_#valid_65|]} [2021-11-03 04:33:42,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:33:42,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:42,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:42,165 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:33:42,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:42,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:42,180 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:33:42,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,183 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:33:42,185 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:33:42,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:33:42,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:33:42,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:33:42,189 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_63|], 15=[|v_#valid_66|]} [2021-11-03 04:33:42,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,201 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:33:42,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:33:42,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:42,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:42,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,235 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:33:42,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:33:42,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:42,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:42,238 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,241 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:33:42,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,243 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:33:42,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:42,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:42,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:42,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:42,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:42,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:42,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:42,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:42,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,277 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:33:42,279 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,280 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:33:42,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:42,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:42,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:33:42,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:33:42,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:33:42,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:42,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:42,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:42,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:42,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:33:42,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:33:42,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:33:42,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:42,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:42,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:42,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:42,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:42,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:33:42,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:33:42,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:33:42,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:33:42,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:42,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:33:42,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:42,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:42,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:42,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:42,420 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,457 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:33:42,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:33:42,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:33:42,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:33:42,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,499 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:33:42,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:42,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:33:42,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:42,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:42,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:42,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:33:42,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:42,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:42,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:42,516 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:42,517 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:33:42,521 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:33:42,522 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:33:42,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,549 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-03 04:33:42,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 04:33:42,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,573 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:42,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:42,578 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:42,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:42,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,582 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:42,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:42,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,617 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:42,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:42,620 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:42,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:42,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:42,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:42,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,649 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:42,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:42,652 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:42,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:42,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:42,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:42,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,680 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:42,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:42,683 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:42,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:42,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:42,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:42,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,723 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:42,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:42,727 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:42,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:42,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,729 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:42,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:42,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:42,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:42,762 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:42,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:42,767 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:33:44,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:33:44,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:33:44,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 48, 49] total 129 [2021-11-03 04:33:44,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823631512] [2021-11-03 04:33:44,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2021-11-03 04:33:44,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:33:44,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2021-11-03 04:33:44,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=446, Invalid=17376, Unknown=0, NotChecked=0, Total=17822 [2021-11-03 04:33:44,100 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 129 states, 129 states have (on average 1.124031007751938) internal successors, (145), 129 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:55,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:33:55,763 INFO L93 Difference]: Finished difference Result 105 states and 116 transitions. [2021-11-03 04:33:55,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-11-03 04:33:55,764 INFO L78 Accepts]: Start accepts. Automaton has has 129 states, 129 states have (on average 1.124031007751938) internal successors, (145), 129 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-03 04:33:55,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:33:55,765 INFO L225 Difference]: With dead ends: 105 [2021-11-03 04:33:55,765 INFO L226 Difference]: Without dead ends: 102 [2021-11-03 04:33:55,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 88 SyntacticMatches, 17 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5642 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=905, Invalid=28851, Unknown=0, NotChecked=0, Total=29756 [2021-11-03 04:33:55,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-11-03 04:33:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 95. [2021-11-03 04:33:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.127659574468085) internal successors, (106), 94 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 106 transitions. [2021-11-03 04:33:55,799 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 106 transitions. Word has length 60 [2021-11-03 04:33:55,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:33:55,799 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 106 transitions. [2021-11-03 04:33:55,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 1.124031007751938) internal successors, (145), 129 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:55,800 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-03 04:33:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 04:33:55,800 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:33:55,800 INFO L513 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:33:55,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-03 04:33:56,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1318,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:56,001 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:33:56,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:33:56,001 INFO L85 PathProgramCache]: Analyzing trace with hash -195002848, now seen corresponding path program 19 times [2021-11-03 04:33:56,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:33:56,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42132558] [2021-11-03 04:33:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:33:56,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:33:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-03 04:33:56,163 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:33:56,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42132558] [2021-11-03 04:33:56,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42132558] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:33:56,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274561295] [2021-11-03 04:33:56,163 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:33:56,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:33:56,168 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:33:56,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-03 04:33:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:56,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 04:33:56,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:33:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-03 04:33:57,281 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:33:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-03 04:33:57,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274561295] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:33:57,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1723027119] [2021-11-03 04:33:57,418 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:33:57,418 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:33:57,418 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:33:57,418 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:33:57,418 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:33:57,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:33:57,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:57,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:33:57,436 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_65|], 21=[|v_#valid_68|]} [2021-11-03 04:33:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:33:57,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:57,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:57,444 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,446 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:33:57,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:57,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:57,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:33:57,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,466 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:33:57,468 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:33:57,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:33:57,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:33:57,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:33:57,472 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_66|], 15=[|v_#valid_69|]} [2021-11-03 04:33:57,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,500 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:33:57,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:33:57,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:57,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:33:57,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,507 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,545 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:33:57,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:33:57,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:57,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:57,550 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:33:57,557 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,558 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:33:57,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:33:57,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:57,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:33:57,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:33:57,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:33:57,570 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:33:57,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:33:57,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:33:57,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:33:57,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,589 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:33:57,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:33:57,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:33:57,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:33:57,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:57,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:33:57,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:33:57,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:33:57,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:57,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:57,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:57,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:57,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:33:57,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:33:57,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:33:57,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:33:57,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:33:57,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:57,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:33:57,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:33:57,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:33:57,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:33:57,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:33:57,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:33:57,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:33:57,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:33:57,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:33:57,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:33:57,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:57,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:33:57,745 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,771 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,781 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:33:57,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:33:57,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:33:57,787 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:33:57,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,826 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:33:57,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:33:57,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:33:57,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:33:57,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:33:57,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:57,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:33:57,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:57,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:33:57,838 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:33:57,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:33:57,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:33:57,847 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:33:57,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:33:57,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,873 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:33:57,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:33:57,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,910 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:57,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:57,915 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:57,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:57,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:33:57,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:33:57,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,957 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:57,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:57,962 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:57,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:57,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,965 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:57,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:57,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:57,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:57,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,003 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:58,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:58,008 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:58,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:58,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:58,011 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:58,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:58,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:58,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,049 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:58,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:58,053 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:58,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:58,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:58,057 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:58,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:58,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:58,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,095 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:58,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:58,100 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:33:58,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:33:58,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:58,104 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:33:58,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:33:58,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:33:58,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:33:58,142 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:33:58,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:33:58,148 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:33:58,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:33:58,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:33:58,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2021-11-03 04:33:58,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891960233] [2021-11-03 04:33:58,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-03 04:33:58,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:33:58,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-03 04:33:58,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=844, Unknown=0, NotChecked=0, Total=1056 [2021-11-03 04:33:58,624 INFO L87 Difference]: Start difference. First operand 95 states and 106 transitions. Second operand has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:58,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:33:58,972 INFO L93 Difference]: Finished difference Result 188 states and 210 transitions. [2021-11-03 04:33:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-03 04:33:58,973 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-03 04:33:58,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:33:58,973 INFO L225 Difference]: With dead ends: 188 [2021-11-03 04:33:58,973 INFO L226 Difference]: Without dead ends: 96 [2021-11-03 04:33:58,974 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=330, Invalid=1310, Unknown=0, NotChecked=0, Total=1640 [2021-11-03 04:33:58,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-03 04:33:59,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-03 04:33:59,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.1263157894736842) internal successors, (107), 95 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:59,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 107 transitions. [2021-11-03 04:33:59,007 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 107 transitions. Word has length 61 [2021-11-03 04:33:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:33:59,007 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 107 transitions. [2021-11-03 04:33:59,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:33:59,007 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2021-11-03 04:33:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-03 04:33:59,008 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:33:59,008 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:33:59,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-03 04:33:59,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1395 [2021-11-03 04:33:59,224 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:33:59,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:33:59,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1170985075, now seen corresponding path program 20 times [2021-11-03 04:33:59,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:33:59,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467593650] [2021-11-03 04:33:59,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:33:59,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:33:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:33:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-03 04:33:59,407 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:33:59,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467593650] [2021-11-03 04:33:59,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467593650] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:33:59,407 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157640377] [2021-11-03 04:33:59,407 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:33:59,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:33:59,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:33:59,408 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:33:59,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-03 04:34:00,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-03 04:34:00,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:34:00,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-03 04:34:00,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-03 04:34:00,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:00,812 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-03 04:34:00,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157640377] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:34:00,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [855287222] [2021-11-03 04:34:00,813 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:34:00,813 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:34:00,814 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:34:00,814 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:34:00,814 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:34:00,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:00,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:00,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:34:00,823 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_68|], 21=[|v_#valid_71|]} [2021-11-03 04:34:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:34:00,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:00,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:00,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:00,846 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:34:00,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:00,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:00,866 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:00,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:34:00,871 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,871 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:34:00,874 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:34:00,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:00,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:34:00,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:34:00,881 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_69|], 15=[|v_#valid_72|]} [2021-11-03 04:34:00,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,896 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:34:00,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:34:00,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:34:00,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:34:00,899 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:00,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,940 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:34:00,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:34:00,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:00,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:00,944 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:00,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:34:00,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,952 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:34:00,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:34:00,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:00,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:34:00,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:00,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:00,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:34:00,964 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:34:00,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:00,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:34:00,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:00,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:00,978 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:00,982 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:00,984 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:34:00,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:34:00,987 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:00,987 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:34:00,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:01,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:01,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:34:01,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:34:01,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:34:01,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:01,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:01,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:01,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:01,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:01,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:34:01,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:01,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:01,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:01,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:34:01,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:34:01,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:34:01,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:34:01,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:34:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:01,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:34:01,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:01,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:01,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:01,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:01,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:01,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:01,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:34:01,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:34:01,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:34:01,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:01,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,170 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,181 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:34:01,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:34:01,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:34:01,187 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:34:01,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,229 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:34:01,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:01,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:34:01,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:01,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:01,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:34:01,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:34:01,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:01,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:01,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:01,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:34:01,245 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:01,245 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:34:01,249 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:34:01,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:34:01,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,276 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:34:01,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:34:01,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,303 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:01,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:01,307 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:01,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:01,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,311 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:34:01,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:34:01,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,348 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:01,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:01,352 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:01,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:01,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:34:01,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:34:01,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,394 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:01,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:01,399 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:01,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:01,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:34:01,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:34:01,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,438 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:01,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:01,442 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:01,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:01,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,444 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:34:01,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:34:01,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,469 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:01,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:01,472 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:01,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:01,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,475 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:34:01,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:01,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:34:01,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:01,499 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:01,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:01,504 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:34:01,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:34:01,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:34:01,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2021-11-03 04:34:01,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199931082] [2021-11-03 04:34:01,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-03 04:34:01,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:34:01,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-03 04:34:01,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=901, Unknown=0, NotChecked=0, Total=1122 [2021-11-03 04:34:01,921 INFO L87 Difference]: Start difference. First operand 96 states and 107 transitions. Second operand has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:02,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:34:02,202 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2021-11-03 04:34:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-03 04:34:02,202 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2021-11-03 04:34:02,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:34:02,203 INFO L225 Difference]: With dead ends: 137 [2021-11-03 04:34:02,203 INFO L226 Difference]: Without dead ends: 68 [2021-11-03 04:34:02,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 169 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=429, Invalid=1377, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 04:34:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-03 04:34:02,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-03 04:34:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 67 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2021-11-03 04:34:02,225 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 62 [2021-11-03 04:34:02,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:34:02,225 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2021-11-03 04:34:02,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2021-11-03 04:34:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 04:34:02,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:02,226 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:34:02,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-11-03 04:34:02,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1473 [2021-11-03 04:34:02,450 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:34:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:02,450 INFO L85 PathProgramCache]: Analyzing trace with hash 961532942, now seen corresponding path program 21 times [2021-11-03 04:34:02,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:34:02,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657117533] [2021-11-03 04:34:02,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:02,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:34:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 24 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:34:08,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:34:08,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657117533] [2021-11-03 04:34:08,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657117533] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:34:08,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032948373] [2021-11-03 04:34:08,273 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:34:08,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:34:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:34:08,274 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:34:08,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-03 04:34:09,190 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:34:09,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:34:09,194 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-03 04:34:09,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:14,328 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-03 04:34:14,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 20 [2021-11-03 04:34:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 04:34:14,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:27,057 INFO L354 Elim1Store]: treesize reduction 1059, result has 39.7 percent of original size [2021-11-03 04:34:27,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 138 treesize of output 718 [2021-11-03 04:34:35,854 INFO L354 Elim1Store]: treesize reduction 1723, result has 1.9 percent of original size [2021-11-03 04:34:35,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 137 treesize of output 53 [2021-11-03 04:34:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-03 04:34:36,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032948373] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:34:36,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1040869793] [2021-11-03 04:34:36,044 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:34:36,044 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:34:36,044 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:34:36,045 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:34:36,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:34:36,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:36,055 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:36,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:34:36,059 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_71|], 21=[|v_#valid_74|]} [2021-11-03 04:34:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:34:36,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:36,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:36,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:34:36,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:36,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:36,087 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:34:36,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,092 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:34:36,096 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:34:36,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:36,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:34:36,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:34:36,102 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_72|], 15=[|v_#valid_75|]} [2021-11-03 04:34:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,116 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:34:36,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:34:36,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:34:36,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:34:36,119 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,123 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,161 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:34:36,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:34:36,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:36,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:36,165 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,168 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:34:36,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,170 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:34:36,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:34:36,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:36,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:34:36,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:36,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:34:36,185 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:34:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:34:36,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:36,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:36,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,199 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:34:36,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:34:36,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:34:36,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:36,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:36,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:34:36,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:34:36,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:34:36,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:36,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:36,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:36,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:36,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:36,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:36,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:34:36,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:36,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:36,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:36,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:34:36,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:34:36,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:34:36,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:34:36,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:34:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:34:36,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:36,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:36,287 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:36,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:34:36,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:34:36,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:34:36,301 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,324 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:34:36,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:34:36,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:34:36,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:34:36,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,356 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:34:36,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:36,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:34:36,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:36,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:36,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:34:36,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:34:36,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:36,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:36,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:34:36,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:36,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:34:36,371 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:34:36,372 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:34:36,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,388 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:34:36,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:34:36,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,405 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:36,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:36,409 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:36,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:36,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,412 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:34:36,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:34:36,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,449 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:36,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:36,454 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:36,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:36,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,458 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:34:36,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:34:36,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,495 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:36,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:36,498 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:36,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:36,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:34:36,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:34:36,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,527 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:36,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:36,530 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:36,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:36,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:34:36,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:34:36,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,559 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:36,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:36,563 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:34:36,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:34:36,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:34:36,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:36,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:34:36,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:36,603 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:34:36,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:34:36,607 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:34:38,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:34:38,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:34:38,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 54, 55] total 145 [2021-11-03 04:34:38,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979808282] [2021-11-03 04:34:38,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2021-11-03 04:34:38,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:34:38,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2021-11-03 04:34:38,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=21799, Unknown=0, NotChecked=0, Total=22350 [2021-11-03 04:34:38,084 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand has 145 states, 145 states have (on average 1.110344827586207) internal successors, (161), 145 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:34:57,559 INFO L93 Difference]: Finished difference Result 167 states and 185 transitions. [2021-11-03 04:34:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2021-11-03 04:34:57,559 INFO L78 Accepts]: Start accepts. Automaton has has 145 states, 145 states have (on average 1.110344827586207) internal successors, (161), 145 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-03 04:34:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:34:57,560 INFO L225 Difference]: With dead ends: 167 [2021-11-03 04:34:57,561 INFO L226 Difference]: Without dead ends: 164 [2021-11-03 04:34:57,563 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 97 SyntacticMatches, 20 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10837 ImplicationChecksByTransitivity, 32.9s TimeCoverageRelationStatistics Valid=1869, Invalid=44141, Unknown=0, NotChecked=0, Total=46010 [2021-11-03 04:34:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-03 04:34:57,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 97. [2021-11-03 04:34:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.1145833333333333) internal successors, (107), 96 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2021-11-03 04:34:57,602 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 67 [2021-11-03 04:34:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:34:57,602 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2021-11-03 04:34:57,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.110344827586207) internal successors, (161), 145 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:34:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2021-11-03 04:34:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 04:34:57,603 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:34:57,603 INFO L513 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:34:57,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-03 04:34:57,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1551 [2021-11-03 04:34:57,803 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:34:57,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:34:57,804 INFO L85 PathProgramCache]: Analyzing trace with hash -286447744, now seen corresponding path program 22 times [2021-11-03 04:34:57,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:34:57,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197428165] [2021-11-03 04:34:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:34:57,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:34:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-03 04:34:58,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:34:58,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197428165] [2021-11-03 04:34:58,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197428165] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:34:58,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907055139] [2021-11-03 04:34:58,017 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:34:58,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:34:58,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:34:58,019 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:34:58,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-03 04:34:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:34:59,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 04:34:59,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:34:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-03 04:34:59,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:34:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-03 04:34:59,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907055139] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:34:59,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1720091641] [2021-11-03 04:34:59,734 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:34:59,734 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:34:59,734 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:34:59,734 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:34:59,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:34:59,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:34:59,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:34:59,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:34:59,743 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_74|], 21=[|v_#valid_77|]} [2021-11-03 04:34:59,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:34:59,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:59,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:34:59,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:34:59,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:59,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:34:59,765 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:34:59,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,768 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:34:59,770 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:34:59,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:34:59,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:34:59,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:34:59,813 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_75|], 15=[|v_#valid_78|]} [2021-11-03 04:34:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,825 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:34:59,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:34:59,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:34:59,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:34:59,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,859 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:34:59,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:34:59,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:59,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:59,862 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:34:59,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,867 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:34:59,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:59,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:59,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:59,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:59,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:34:59,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:34:59,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:34:59,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:59,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:59,884 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,887 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:34:59,890 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,890 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:34:59,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:34:59,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:34:59,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:59,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:34:59,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:34:59,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:34:59,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:59,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:59,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:34:59,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:34:59,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:59,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:59,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:34:59,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:34:59,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:34:59,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:34:59,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:34:59,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:34:59,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:34:59,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:34:59,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:34:59,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:34:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:34:59,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:34:59,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:34:59,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:34:59,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:34:59,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:59,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:34:59,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:34:59,993 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:34:59,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,016 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:35:00,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:35:00,019 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:35:00,019 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:35:00,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,044 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:35:00,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:00,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:00,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:35:00,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:35:00,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:00,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:35:00,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:35:00,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:35:00,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:35:00,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:35:00,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:00,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:35:00,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:35:00,056 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:35:00,059 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:35:00,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:35:00,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,076 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:35:00,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:35:00,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,094 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:00,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:00,097 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:00,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:00,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,101 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:35:00,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:35:00,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,125 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:00,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:00,129 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:00,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:00,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:35:00,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:35:00,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,159 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:00,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:00,162 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:00,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:00,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:35:00,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:35:00,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,190 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:00,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:00,193 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:00,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:00,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:35:00,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:35:00,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,221 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:00,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:00,224 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:00,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:00,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:35:00,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:00,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:35:00,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:00,275 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:00,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:00,280 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:35:00,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:35:00,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:35:00,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2021-11-03 04:35:00,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470337758] [2021-11-03 04:35:00,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-03 04:35:00,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:35:00,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-03 04:35:00,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1066, Unknown=0, NotChecked=0, Total=1332 [2021-11-03 04:35:00,811 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:35:01,226 INFO L93 Difference]: Finished difference Result 230 states and 255 transitions. [2021-11-03 04:35:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-03 04:35:01,226 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-03 04:35:01,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:35:01,227 INFO L225 Difference]: With dead ends: 230 [2021-11-03 04:35:01,227 INFO L226 Difference]: Without dead ends: 98 [2021-11-03 04:35:01,227 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=421, Invalid=1649, Unknown=0, NotChecked=0, Total=2070 [2021-11-03 04:35:01,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-03 04:35:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-03 04:35:01,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.1134020618556701) internal successors, (108), 97 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2021-11-03 04:35:01,266 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 68 [2021-11-03 04:35:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:35:01,266 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2021-11-03 04:35:01,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2021-11-03 04:35:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-03 04:35:01,267 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:35:01,267 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:35:01,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-03 04:35:01,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1629,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:35:01,467 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:35:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:35:01,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1889562995, now seen corresponding path program 23 times [2021-11-03 04:35:01,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:35:01,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086058822] [2021-11-03 04:35:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:35:01,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:35:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:35:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-03 04:35:01,684 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:35:01,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086058822] [2021-11-03 04:35:01,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086058822] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:35:01,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808687184] [2021-11-03 04:35:01,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:35:01,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:35:01,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:35:01,686 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:35:01,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-03 04:35:03,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-03 04:35:03,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:35:03,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-03 04:35:03,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:35:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-03 04:35:03,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:35:03,611 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-03 04:35:03,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808687184] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:35:03,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [329528984] [2021-11-03 04:35:03,613 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:35:03,613 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:35:03,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:35:03,614 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:35:03,614 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:35:03,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:35:03,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:35:03,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:35:03,629 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_76|], 21=[|v_#valid_79|]} [2021-11-03 04:35:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:35:03,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:35:03,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:35:03,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:35:03,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:35:03,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:35:03,653 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,655 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:35:03,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,657 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:35:03,662 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:35:03,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:35:03,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:35:03,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:35:03,667 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_77|], 15=[|v_#valid_80|]} [2021-11-03 04:35:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,679 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:35:03,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:35:03,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:35:03,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:35:03,681 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,713 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:35:03,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:35:03,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:35:03,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:35:03,716 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,718 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:35:03,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,721 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:35:03,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:35:03,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:35:03,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:35:03,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:35:03,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:35:03,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:35:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:35:03,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:35:03,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:35:03,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:35:03,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:35:03,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:35:03,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:35:03,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:35:03,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:35:03,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:35:03,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:35:03,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:35:03,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:35:03,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:35:03,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:35:03,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:35:03,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:35:03,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:35:03,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:35:03,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:35:03,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:35:03,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:35:03,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:35:03,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:35:03,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:35:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:35:03,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:35:03,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:35:03,882 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:35:03,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:35:03,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:35:03,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:35:03,895 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,918 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:35:03,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:35:03,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:35:03,921 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:35:03,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,950 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:35:03,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:35:03,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:35:03,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:35:03,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:35:03,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:35:03,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:35:03,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:35:03,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:35:03,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:03,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:35:03,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:35:03,961 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:35:03,964 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:35:03,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:35:03,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,983 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:35:03,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:35:03,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:03,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,026 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:04,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:04,031 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:04,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:04,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,035 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:35:04,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:35:04,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,072 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:04,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:04,076 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:04,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:04,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:35:04,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:35:04,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,118 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:04,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:04,123 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:04,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:04,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:35:04,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:35:04,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,165 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:04,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:04,170 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:04,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:04,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,173 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:35:04,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:35:04,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,211 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:04,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:04,216 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:35:04,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:35:04,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,220 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:35:04,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:35:04,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:35:04,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:35:04,258 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:35:04,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:35:04,264 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:35:04,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:35:04,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:35:04,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 40 [2021-11-03 04:35:04,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272466670] [2021-11-03 04:35:04,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-03 04:35:04,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:35:04,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-03 04:35:04,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=1672, Unknown=0, NotChecked=0, Total=1980 [2021-11-03 04:35:04,862 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand has 40 states, 40 states have (on average 1.725) internal successors, (69), 40 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:05,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:35:05,383 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2021-11-03 04:35:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-03 04:35:05,383 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.725) internal successors, (69), 40 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-03 04:35:05,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:35:05,384 INFO L225 Difference]: With dead ends: 152 [2021-11-03 04:35:05,384 INFO L226 Difference]: Without dead ends: 75 [2021-11-03 04:35:05,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 191 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=585, Invalid=2495, Unknown=0, NotChecked=0, Total=3080 [2021-11-03 04:35:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-03 04:35:05,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-03 04:35:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 74 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:05,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2021-11-03 04:35:05,412 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 69 [2021-11-03 04:35:05,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:35:05,412 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2021-11-03 04:35:05,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.725) internal successors, (69), 40 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:35:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2021-11-03 04:35:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-03 04:35:05,413 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:35:05,413 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:35:05,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-03 04:35:05,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1706,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:35:05,614 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:35:05,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:35:05,614 INFO L85 PathProgramCache]: Analyzing trace with hash -800666363, now seen corresponding path program 24 times [2021-11-03 04:35:05,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:35:05,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168214525] [2021-11-03 04:35:05,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:35:05,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:35:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:35:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 27 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:35:13,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:35:13,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168214525] [2021-11-03 04:35:13,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168214525] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:35:13,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678674166] [2021-11-03 04:35:13,290 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:35:13,290 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:35:13,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:35:13,291 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:35:13,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-03 04:35:14,458 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:35:14,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:35:14,462 WARN L261 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-03 04:35:14,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:35:22,551 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-03 04:35:22,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:35:40,664 INFO L354 Elim1Store]: treesize reduction 1362, result has 39.3 percent of original size [2021-11-03 04:35:40,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 154 treesize of output 905 [2021-11-03 04:36:06,223 INFO L354 Elim1Store]: treesize reduction 2208, result has 1.6 percent of original size [2021-11-03 04:36:06,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 155 treesize of output 60 [2021-11-03 04:36:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-03 04:36:06,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678674166] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:36:06,445 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [545367779] [2021-11-03 04:36:06,446 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:36:06,446 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:36:06,446 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:36:06,446 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:36:06,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:36:06,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:06,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:06,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:36:06,452 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_79|], 21=[|v_#valid_82|]} [2021-11-03 04:36:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:36:06,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:06,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:06,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:36:06,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:06,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:06,475 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,477 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:36:06,478 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,479 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:36:06,481 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:36:06,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:06,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:36:06,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:36:06,486 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_80|], 15=[|v_#valid_83|]} [2021-11-03 04:36:06,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,498 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:36:06,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:36:06,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:36:06,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:36:06,501 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,534 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:36:06,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:36:06,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:06,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:06,537 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:36:06,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,542 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:36:06,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:36:06,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:06,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:36:06,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:06,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:36:06,549 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:36:06,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:36:06,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:06,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:06,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,563 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:36:06,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:36:06,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:36:06,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:06,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:06,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:36:06,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:36:06,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:36:06,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:06,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:06,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:06,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:06,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:06,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:36:06,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:36:06,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:06,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:06,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:06,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:06,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:36:06,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:36:06,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:36:06,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:36:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:36:06,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:06,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:06,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:06,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:36:06,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:36:06,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:36:06,670 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,693 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:36:06,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:36:06,696 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:36:06,696 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:36:06,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,723 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:36:06,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:06,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:36:06,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:06,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:06,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:36:06,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:36:06,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:06,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:06,735 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:36:06,738 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:06,738 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:36:06,743 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:36:06,744 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:36:06,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,760 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:36:06,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:36:06,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,778 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:06,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:06,781 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:06,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:06,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,784 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:06,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:06,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,824 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:06,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:06,829 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:06,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:06,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,832 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:06,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:06,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,859 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:06,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:06,863 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:06,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:06,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,866 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:06,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:06,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,890 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:06,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:06,893 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:06,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:06,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,896 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:06,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:06,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,920 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:06,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:06,924 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:06,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:06,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,927 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:06,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:06,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:06,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:06,963 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:06,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:06,967 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:36:08,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:36:08,592 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:36:08,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 60, 61] total 162 [2021-11-03 04:36:08,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691771598] [2021-11-03 04:36:08,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2021-11-03 04:36:08,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:36:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2021-11-03 04:36:08,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=559, Invalid=27163, Unknown=0, NotChecked=0, Total=27722 [2021-11-03 04:36:08,595 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand has 162 states, 162 states have (on average 1.0987654320987654) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:43,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:36:43,228 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2021-11-03 04:36:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-11-03 04:36:43,229 INFO L78 Accepts]: Start accepts. Automaton has has 162 states, 162 states have (on average 1.0987654320987654) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2021-11-03 04:36:43,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:36:43,230 INFO L225 Difference]: With dead ends: 183 [2021-11-03 04:36:43,230 INFO L226 Difference]: Without dead ends: 180 [2021-11-03 04:36:43,234 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 100 SyntacticMatches, 28 SemanticMatches, 255 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14037 ImplicationChecksByTransitivity, 55.0s TimeCoverageRelationStatistics Valid=2970, Invalid=62822, Unknown=0, NotChecked=0, Total=65792 [2021-11-03 04:36:43,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-11-03 04:36:43,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 107. [2021-11-03 04:36:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.1037735849056605) internal successors, (117), 106 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:43,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2021-11-03 04:36:43,289 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 74 [2021-11-03 04:36:43,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:36:43,290 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2021-11-03 04:36:43,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 1.0987654320987654) internal successors, (178), 162 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2021-11-03 04:36:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-03 04:36:43,290 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:36:43,291 INFO L513 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:36:43,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-03 04:36:43,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1783 [2021-11-03 04:36:43,491 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:36:43,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:36:43,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1747734737, now seen corresponding path program 25 times [2021-11-03 04:36:43,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:36:43,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415148442] [2021-11-03 04:36:43,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:36:43,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:36:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:36:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-03 04:36:43,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:36:43,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415148442] [2021-11-03 04:36:43,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415148442] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:36:43,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476763975] [2021-11-03 04:36:43,743 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:36:43,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:36:43,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:36:43,744 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:36:43,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-03 04:36:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:36:45,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-03 04:36:45,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:36:45,625 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-03 04:36:45,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:36:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-03 04:36:45,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476763975] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:36:45,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [610165082] [2021-11-03 04:36:45,803 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:36:45,803 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:36:45,804 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:36:45,804 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:36:45,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:36:45,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:45,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:45,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:36:45,819 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_82|], 21=[|v_#valid_85|]} [2021-11-03 04:36:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:36:45,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:45,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:45,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:36:45,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:45,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:45,846 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:36:45,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,850 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:36:45,852 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:36:45,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:45,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:36:45,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:36:45,860 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_83|], 15=[|v_#valid_86|]} [2021-11-03 04:36:45,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,874 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:36:45,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:36:45,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:36:45,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:36:45,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,908 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:36:45,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:36:45,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:45,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:45,911 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:36:45,923 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,923 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:36:45,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:36:45,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:45,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:36:45,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:45,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:36:45,931 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:36:45,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:45,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:36:45,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:45,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:45,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,945 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:36:45,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:36:45,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:45,947 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:36:45,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:45,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:45,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:45,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:45,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:45,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:45,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:45,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:36:45,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:36:46,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:36:46,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:46,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:46,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:46,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:36:46,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:36:46,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:46,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:46,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:46,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:46,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:36:46,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:36:46,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:36:46,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:36:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:46,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:46,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:36:46,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:46,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:46,052 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:46,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:46,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:36:46,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:36:46,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:36:46,067 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:46,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,084 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,090 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:36:46,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:36:46,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:36:46,093 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:36:46,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,127 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:36:46,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:46,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:36:46,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:46,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:46,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:36:46,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:36:46,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:46,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:46,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:46,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,141 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:36:46,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:46,144 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:36:46,148 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:36:46,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:36:46,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,171 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:36:46,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:36:46,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,189 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:46,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:46,193 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:46,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:46,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,195 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:46,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:46,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,220 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:46,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:46,224 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:46,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:46,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:36:46,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:36:46,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,252 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:46,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:46,255 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:46,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:46,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:36:46,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:36:46,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,290 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:46,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:46,293 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:46,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:46,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,296 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:46,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:46,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,320 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:46,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:46,324 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:46,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:46,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:36:46,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:46,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:36:46,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:46,352 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:46,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:46,356 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:36:46,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:36:46,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:36:46,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2021-11-03 04:36:46,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587951640] [2021-11-03 04:36:46,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-03 04:36:46,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:36:46,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-03 04:36:46,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1247, Unknown=0, NotChecked=0, Total=1560 [2021-11-03 04:36:46,838 INFO L87 Difference]: Start difference. First operand 107 states and 117 transitions. Second operand has 35 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:47,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:36:47,330 INFO L93 Difference]: Finished difference Result 254 states and 279 transitions. [2021-11-03 04:36:47,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-03 04:36:47,330 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-11-03 04:36:47,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:36:47,331 INFO L225 Difference]: With dead ends: 254 [2021-11-03 04:36:47,331 INFO L226 Difference]: Without dead ends: 108 [2021-11-03 04:36:47,332 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=500, Invalid=1950, Unknown=0, NotChecked=0, Total=2450 [2021-11-03 04:36:47,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-03 04:36:47,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-03 04:36:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.102803738317757) internal successors, (118), 107 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:47,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 118 transitions. [2021-11-03 04:36:47,397 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 118 transitions. Word has length 75 [2021-11-03 04:36:47,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:36:47,398 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 118 transitions. [2021-11-03 04:36:47,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:47,398 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions. [2021-11-03 04:36:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-03 04:36:47,398 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:36:47,398 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:36:47,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-03 04:36:47,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1861 [2021-11-03 04:36:47,599 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:36:47,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:36:47,599 INFO L85 PathProgramCache]: Analyzing trace with hash -140345474, now seen corresponding path program 26 times [2021-11-03 04:36:47,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:36:47,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146101711] [2021-11-03 04:36:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:36:47,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:36:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:36:47,894 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-03 04:36:47,894 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:36:47,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146101711] [2021-11-03 04:36:47,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146101711] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:36:47,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768341462] [2021-11-03 04:36:47,894 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:36:47,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:36:47,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:36:47,896 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:36:47,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-03 04:36:49,303 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-03 04:36:49,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:36:49,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-03 04:36:49,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:36:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-03 04:36:49,756 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:36:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 45 proven. 55 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-03 04:36:49,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768341462] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:36:49,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1675908483] [2021-11-03 04:36:49,924 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:36:49,924 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:36:49,925 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:36:49,925 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:36:49,925 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:36:49,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:49,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:36:49,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:49,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:49,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:36:49,946 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_84|], 21=[|v_#valid_87|]} [2021-11-03 04:36:49,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:36:49,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:49,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:49,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:49,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:49,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:36:49,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:49,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:36:49,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:49,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:49,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:36:49,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:49,978 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:36:49,982 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:36:49,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:49,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:36:49,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:49,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:36:49,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:36:49,986 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_85|], 15=[|v_#valid_88|]} [2021-11-03 04:36:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:49,997 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:36:49,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:36:49,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:36:49,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:49,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:36:49,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:49,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,002 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,031 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:36:50,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:36:50,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:50,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:50,034 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:36:50,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,051 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:36:50,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:50,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:50,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:50,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:50,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:36:50,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:36:50,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:36:50,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:50,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:50,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:36:50,086 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,086 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:36:50,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:36:50,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:50,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:36:50,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:36:50,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:36:50,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:50,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:50,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:50,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:50,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:36:50,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:36:50,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:36:50,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,157 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:36:50,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:36:50,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:50,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:36:50,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:36:50,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:36:50,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:36:50,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:36:50,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:36:50,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:50,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:36:50,192 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:36:50,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:36:50,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:36:50,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:36:50,207 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,230 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:36:50,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:36:50,233 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:36:50,233 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:36:50,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,258 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:36:50,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:36:50,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:36:50,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:36:50,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:36:50,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:36:50,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:36:50,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:50,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:36:50,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:36:50,270 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:36:50,270 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:36:50,273 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:36:50,274 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:36:50,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,291 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-03 04:36:50,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 04:36:50,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,307 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:50,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:50,311 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:50,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:50,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,313 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:50,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:50,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,338 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:50,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:50,341 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:50,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:50,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,349 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:50,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:50,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,380 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:50,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:50,383 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:50,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:50,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,386 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:36:50,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:36:50,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,411 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:50,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:50,414 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:50,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:50,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:36:50,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:36:50,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,445 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:50,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:50,449 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:36:50,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:36:50,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:36:50,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:36:50,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:36:50,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:36:50,477 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:36:50,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:36:50,481 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:36:50,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:36:50,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:36:50,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 44 [2021-11-03 04:36:50,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526079343] [2021-11-03 04:36:50,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-03 04:36:50,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:36:50,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-03 04:36:50,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1988, Unknown=0, NotChecked=0, Total=2352 [2021-11-03 04:36:50,955 INFO L87 Difference]: Start difference. First operand 108 states and 118 transitions. Second operand has 44 states, 44 states have (on average 1.6818181818181819) internal successors, (74), 44 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:51,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:36:51,552 INFO L93 Difference]: Finished difference Result 167 states and 187 transitions. [2021-11-03 04:36:51,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-03 04:36:51,553 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.6818181818181819) internal successors, (74), 44 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-03 04:36:51,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:36:51,554 INFO L225 Difference]: With dead ends: 167 [2021-11-03 04:36:51,554 INFO L226 Difference]: Without dead ends: 82 [2021-11-03 04:36:51,554 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=696, Invalid=2964, Unknown=0, NotChecked=0, Total=3660 [2021-11-03 04:36:51,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-03 04:36:51,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-03 04:36:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 81 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2021-11-03 04:36:51,597 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 76 [2021-11-03 04:36:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:36:51,597 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2021-11-03 04:36:51,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.6818181818181819) internal successors, (74), 44 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:36:51,597 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2021-11-03 04:36:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-03 04:36:51,598 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:36:51,598 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:36:51,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-11-03 04:36:51,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1939,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:36:51,812 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:36:51,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:36:51,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1043686098, now seen corresponding path program 27 times [2021-11-03 04:36:51,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:36:51,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690976582] [2021-11-03 04:36:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:36:51,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:36:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:37:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 34 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:37:00,765 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:37:00,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690976582] [2021-11-03 04:37:00,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690976582] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:37:00,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481873916] [2021-11-03 04:37:00,766 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:37:00,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:37:00,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:37:00,791 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:37:00,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-03 04:37:02,254 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:37:02,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:37:02,258 WARN L261 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-03 04:37:02,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:37:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 04:37:12,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:37:35,534 INFO L354 Elim1Store]: treesize reduction 1703, result has 39.0 percent of original size [2021-11-03 04:37:35,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 172 treesize of output 1116 [2021-11-03 04:38:21,585 INFO L354 Elim1Store]: treesize reduction 2753, result has 1.5 percent of original size [2021-11-03 04:38:21,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 171 treesize of output 65 [2021-11-03 04:38:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-03 04:38:21,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481873916] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:38:21,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1233704530] [2021-11-03 04:38:21,844 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:38:21,844 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:38:21,844 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:38:21,845 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:38:21,845 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:38:21,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:38:21,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:38:21,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:38:21,860 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_87|], 21=[|v_#valid_90|]} [2021-11-03 04:38:21,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:38:21,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:38:21,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:38:21,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:21,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:38:21,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:38:21,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:38:21,888 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:21,891 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:38:21,893 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,894 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:38:21,896 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:38:21,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:38:21,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:38:21,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:38:21,902 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_88|], 15=[|v_#valid_91|]} [2021-11-03 04:38:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,917 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:38:21,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:38:21,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:38:21,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:38:21,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:21,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,964 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:38:21,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:38:21,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:38:21,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:38:21,968 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:21,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:38:21,974 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,974 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:38:21,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:38:21,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:38:21,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:38:21,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:38:21,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:21,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:38:21,984 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:38:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:21,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:38:21,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:38:21,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:21,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:38:21,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:21,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,001 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:38:22,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:38:22,003 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:38:22,003 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:38:22,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:38:22,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:38:22,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:38:22,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:38:22,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:38:22,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:38:22,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:38:22,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:38:22,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:38:22,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:38:22,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:38:22,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:38:22,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:38:22,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:38:22,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:38:22,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:38:22,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:38:22,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:38:22,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:38:22,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:38:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:22,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:38:22,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:38:22,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:38:22,132 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:22,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:38:22,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:38:22,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:38:22,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:38:22,150 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:22,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,179 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:38:22,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:38:22,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:38:22,183 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:38:22,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,216 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:38:22,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:38:22,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:38:22,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:38:22,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:38:22,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:38:22,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:38:22,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:38:22,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:38:22,228 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:38:22,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:38:22,231 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:38:22,232 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:38:22,235 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:38:22,237 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-03 04:38:22,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,257 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:38:22,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:38:22,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,279 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:38:22,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:38:22,284 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:38:22,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:38:22,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,287 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:38:22,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:38:22,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,343 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:38:22,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:38:22,349 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:38:22,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:38:22,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:38:22,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:38:22,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,386 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:38:22,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:38:22,390 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:38:22,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:38:22,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,393 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:38:22,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:38:22,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,425 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:38:22,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:38:22,430 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:38:22,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:38:22,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:38:22,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:38:22,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,469 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:38:22,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:38:22,473 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:38:22,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:38:22,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,476 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:38:22,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:38:22,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:38:22,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:38:22,514 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:38:22,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:38:22,519 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:38:24,700 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:38:24,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:38:24,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 66, 67] total 181 [2021-11-03 04:38:24,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259631498] [2021-11-03 04:38:24,701 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2021-11-03 04:38:24,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:38:24,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2021-11-03 04:38:24,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=674, Invalid=33736, Unknown=0, NotChecked=0, Total=34410 [2021-11-03 04:38:24,704 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 181 states, 181 states have (on average 1.0883977900552486) internal successors, (197), 181 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:10,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:10,976 INFO L93 Difference]: Finished difference Result 205 states and 223 transitions. [2021-11-03 04:39:10,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-11-03 04:39:10,977 INFO L78 Accepts]: Start accepts. Automaton has has 181 states, 181 states have (on average 1.0883977900552486) internal successors, (197), 181 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-03 04:39:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:10,978 INFO L225 Difference]: With dead ends: 205 [2021-11-03 04:39:10,978 INFO L226 Difference]: Without dead ends: 202 [2021-11-03 04:39:10,982 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 109 SyntacticMatches, 28 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16411 ImplicationChecksByTransitivity, 68.6s TimeCoverageRelationStatistics Valid=2373, Invalid=66533, Unknown=0, NotChecked=0, Total=68906 [2021-11-03 04:39:10,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-11-03 04:39:11,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 117. [2021-11-03 04:39:11,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.0948275862068966) internal successors, (127), 116 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2021-11-03 04:39:11,066 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 81 [2021-11-03 04:39:11,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:11,066 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2021-11-03 04:39:11,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 1.0883977900552486) internal successors, (197), 181 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2021-11-03 04:39:11,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-03 04:39:11,067 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:11,067 INFO L513 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:11,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:11,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2016 [2021-11-03 04:39:11,268 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:11,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:11,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1534804128, now seen corresponding path program 28 times [2021-11-03 04:39:11,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:39:11,269 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134060373] [2021-11-03 04:39:11,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:11,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:39:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-03 04:39:11,590 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:39:11,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134060373] [2021-11-03 04:39:11,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134060373] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:39:11,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071537771] [2021-11-03 04:39:11,591 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:39:11,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:39:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:39:11,592 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:39:11,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-03 04:39:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:13,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-03 04:39:13,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-03 04:39:14,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:14,250 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-03 04:39:14,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071537771] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:39:14,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1337628024] [2021-11-03 04:39:14,252 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:39:14,253 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:39:14,253 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:39:14,253 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:39:14,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:39:14,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:39:14,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:39:14,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:39:14,264 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_90|], 21=[|v_#valid_93|]} [2021-11-03 04:39:14,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:39:14,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:39:14,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:39:14,278 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,280 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:39:14,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:39:14,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:39:14,298 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:39:14,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,302 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:39:14,305 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:39:14,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:39:14,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:39:14,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:39:14,323 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_91|], 15=[|v_#valid_94|]} [2021-11-03 04:39:14,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,342 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:39:14,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:39:14,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:39:14,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:39:14,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,400 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:39:14,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:39:14,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:14,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:14,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:39:14,416 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,416 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:39:14,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:39:14,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:14,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:39:14,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:39:14,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:39:14,439 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:39:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:39:14,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:39:14,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:39:14,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,464 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:39:14,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:39:14,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:39:14,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:39:14,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:39:14,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:39:14,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:39:14,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:39:14,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:14,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:14,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:14,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:14,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:39:14,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:39:14,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:39:14,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:39:14,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:14,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:14,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:14,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:39:14,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:39:14,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:39:14,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:39:14,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:39:14,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:14,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:14,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:14,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:39:14,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:39:14,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:39:14,664 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,696 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:39:14,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:39:14,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:39:14,701 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:39:14,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,735 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:39:14,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:39:14,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:39:14,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:14,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:14,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:39:14,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:39:14,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:39:14,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:39:14,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:39:14,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:14,752 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:39:14,756 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:39:14,758 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:39:14,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,779 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-03 04:39:14,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-03 04:39:14,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,816 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:14,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:14,821 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:14,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:14,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,825 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:14,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:14,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,861 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:14,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:14,866 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:14,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:14,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:39:14,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:39:14,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,911 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:14,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:14,917 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:14,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:14,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:39:14,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:14,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:39:14,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:14,980 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:14,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:14,996 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:14,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:14,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:15,001 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:15,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:15,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:15,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,051 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:15,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:15,057 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:15,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:15,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:15,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:39:15,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:15,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:39:15,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:15,107 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:15,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:15,113 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:39:15,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:39:15,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:39:15,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2021-11-03 04:39:15,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783222417] [2021-11-03 04:39:15,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-03 04:39:15,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:39:15,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-03 04:39:15,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1442, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 04:39:15,757 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:16,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:16,495 INFO L93 Difference]: Finished difference Result 278 states and 303 transitions. [2021-11-03 04:39:16,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-03 04:39:16,496 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-03 04:39:16,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:16,497 INFO L225 Difference]: With dead ends: 278 [2021-11-03 04:39:16,497 INFO L226 Difference]: Without dead ends: 118 [2021-11-03 04:39:16,498 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=586, Invalid=2276, Unknown=0, NotChecked=0, Total=2862 [2021-11-03 04:39:16,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-03 04:39:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-11-03 04:39:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0940170940170941) internal successors, (128), 117 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2021-11-03 04:39:16,581 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 82 [2021-11-03 04:39:16,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:16,581 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2021-11-03 04:39:16,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2021-11-03 04:39:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-03 04:39:16,582 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:16,582 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:16,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:16,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2094,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:39:16,783 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:16,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1920326637, now seen corresponding path program 29 times [2021-11-03 04:39:16,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:39:16,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433752875] [2021-11-03 04:39:16,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:16,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:39:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 45 proven. 76 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-11-03 04:39:17,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:39:17,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433752875] [2021-11-03 04:39:17,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433752875] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:39:17,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206555168] [2021-11-03 04:39:17,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:39:17,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:39:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:39:17,161 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:39:17,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-03 04:39:19,214 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-03 04:39:19,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:39:19,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-03 04:39:19,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 55 proven. 66 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-11-03 04:39:19,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:39:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 55 proven. 66 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-11-03 04:39:20,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206555168] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:39:20,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1840829067] [2021-11-03 04:39:20,107 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:39:20,107 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:39:20,108 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:39:20,108 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:39:20,108 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:39:20,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:39:20,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:39:20,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:39:20,119 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_93|], 21=[|v_#valid_96|]} [2021-11-03 04:39:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:39:20,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:39:20,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:39:20,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,132 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:39:20,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:39:20,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:39:20,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:39:20,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,153 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:39:20,156 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:39:20,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:39:20,157 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:39:20,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:39:20,161 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_94|], 15=[|v_#valid_97|]} [2021-11-03 04:39:20,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,177 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:39:20,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:39:20,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:39:20,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:39:20,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,243 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:39:20,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:39:20,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:20,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:20,249 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:39:20,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,256 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:39:20,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:20,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:20,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:39:20,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:20,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:39:20,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:39:20,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:39:20,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:20,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:20,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:39:20,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:39:20,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:20,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:20,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:39:20,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:39:20,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:39:20,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:39:20,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:39:20,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:20,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:20,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:39:20,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:39:20,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:39:20,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:20,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:39:20,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:39:20,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:39:20,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:39:20,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:39:20,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:39:20,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:39:20,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:39:20,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:39:20,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:39:20,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:39:20,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:39:20,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:20,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:39:20,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,456 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:39:20,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:39:20,461 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:39:20,461 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:39:20,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,492 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:39:20,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:39:20,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:39:20,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:39:20,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:39:20,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:39:20,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:39:20,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:39:20,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:39:20,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:39:20,527 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:39:20,527 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:39:20,531 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:39:20,533 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-03 04:39:20,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,555 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-03 04:39:20,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-03 04:39:20,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,577 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:20,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:20,581 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:20,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:20,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,585 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:20,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:20,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,618 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:20,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:20,622 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:20,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:20,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,626 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:20,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:20,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,658 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:20,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:20,662 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:20,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:20,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,666 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:20,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:20,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,718 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:20,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:20,722 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:20,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:20,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,726 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:20,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:20,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,758 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:20,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:20,762 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:39:20,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:39:20,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,766 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:39:20,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:39:20,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:39:20,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:39:20,798 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:39:20,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:39:20,804 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:39:21,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:39:21,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:39:21,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2021-11-03 04:39:21,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062550162] [2021-11-03 04:39:21,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-03 04:39:21,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:39:21,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-03 04:39:21,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=359, Invalid=1447, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 04:39:21,375 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand has 38 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 38 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:39:21,929 INFO L93 Difference]: Finished difference Result 182 states and 202 transitions. [2021-11-03 04:39:21,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-03 04:39:21,930 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 38 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-11-03 04:39:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:39:21,931 INFO L225 Difference]: With dead ends: 182 [2021-11-03 04:39:21,931 INFO L226 Difference]: Without dead ends: 89 [2021-11-03 04:39:21,932 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 229 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=726, Invalid=2244, Unknown=0, NotChecked=0, Total=2970 [2021-11-03 04:39:21,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-03 04:39:22,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-11-03 04:39:22,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.0795454545454546) internal successors, (95), 88 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2021-11-03 04:39:22,031 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 83 [2021-11-03 04:39:22,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:39:22,031 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2021-11-03 04:39:22,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.9210526315789473) internal successors, (73), 38 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:39:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-11-03 04:39:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-03 04:39:22,033 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:39:22,033 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:39:22,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-03 04:39:22,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2172,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:39:22,260 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:39:22,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:39:22,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1982713755, now seen corresponding path program 30 times [2021-11-03 04:39:22,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:39:22,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410942620] [2021-11-03 04:39:22,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:39:22,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:39:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:39:37,926 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 16 proven. 446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:39:37,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:39:37,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410942620] [2021-11-03 04:39:37,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410942620] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:39:37,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260093904] [2021-11-03 04:39:37,927 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:39:37,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:39:37,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:39:37,928 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:39:37,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-03 04:39:40,068 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:39:40,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:39:40,075 WARN L261 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-03 04:39:40,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:39:55,742 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-03 04:39:55,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 20 [2021-11-03 04:39:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-03 04:39:56,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:40:33,061 WARN L207 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 981 DAG size of output: 541 [2021-11-03 04:40:33,066 INFO L354 Elim1Store]: treesize reduction 2082, result has 38.8 percent of original size [2021-11-03 04:40:33,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 189 treesize of output 1348 [2021-11-03 04:42:00,686 INFO L354 Elim1Store]: treesize reduction 3358, result has 1.3 percent of original size [2021-11-03 04:42:00,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 188 treesize of output 71 [2021-11-03 04:42:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-03 04:42:00,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260093904] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:42:00,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1753371776] [2021-11-03 04:42:00,967 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:42:00,967 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:42:00,968 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:42:00,968 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:42:00,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:42:00,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:00,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:00,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:00,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:00,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:00,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:00,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:42:00,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:42:00,984 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_96|], 21=[|v_#valid_99|]} [2021-11-03 04:42:01,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:42:01,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:01,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:01,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:42:01,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:01,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:01,019 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:42:01,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,023 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:42:01,025 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:42:01,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:42:01,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:42:01,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:42:01,029 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_97|], 15=[|v_#valid_100|]} [2021-11-03 04:42:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,041 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:42:01,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:42:01,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:42:01,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:42:01,043 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,075 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:42:01,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:42:01,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:01,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:01,078 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:42:01,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,082 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:42:01,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:01,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:01,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:01,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:01,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:42:01,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:42:01,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:42:01,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:01,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:01,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:42:01,105 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,106 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:42:01,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:42:01,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:01,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:42:01,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:42:01,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:42:01,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:01,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:01,157 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:01,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:01,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:42:01,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:42:01,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:42:01,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:01,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:01,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:01,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:01,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:42:01,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:42:01,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:42:01,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:42:01,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:42:01,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:01,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:01,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:01,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:42:01,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:42:01,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:42:01,212 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,234 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:42:01,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:42:01,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:42:01,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:42:01,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,262 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:42:01,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:01,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:42:01,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:01,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:01,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:42:01,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:42:01,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:01,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:01,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:42:01,283 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:01,283 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:42:01,286 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:42:01,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:42:01,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,304 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:42:01,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:42:01,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,322 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:01,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:01,325 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:01,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:01,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:01,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:01,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,354 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:01,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:01,357 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:01,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:01,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,364 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:01,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:01,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,391 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:01,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:01,394 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:01,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:01,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:01,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:01,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,423 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:01,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:01,427 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:01,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:01,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,429 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:01,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:01,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,454 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:01,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:01,457 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:01,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:01,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,460 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:01,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:01,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:01,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:01,485 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:01,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:01,489 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:42:03,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:42:03,489 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:42:03,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 72, 73] total 196 [2021-11-03 04:42:03,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197196465] [2021-11-03 04:42:03,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2021-11-03 04:42:03,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:42:03,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2021-11-03 04:42:03,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=743, Invalid=39457, Unknown=0, NotChecked=0, Total=40200 [2021-11-03 04:42:03,493 INFO L87 Difference]: Start difference. First operand 89 states and 95 transitions. Second operand has 196 states, 196 states have (on average 1.0816326530612246) internal successors, (212), 196 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:42:50,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:42:50,918 INFO L93 Difference]: Finished difference Result 212 states and 232 transitions. [2021-11-03 04:42:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-11-03 04:42:50,918 INFO L78 Accepts]: Start accepts. Automaton has has 196 states, 196 states have (on average 1.0816326530612246) internal successors, (212), 196 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-11-03 04:42:50,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:42:50,919 INFO L225 Difference]: With dead ends: 212 [2021-11-03 04:42:50,919 INFO L226 Difference]: Without dead ends: 209 [2021-11-03 04:42:50,923 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 121 SyntacticMatches, 29 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17813 ImplicationChecksByTransitivity, 90.0s TimeCoverageRelationStatistics Valid=3148, Invalid=79508, Unknown=0, NotChecked=0, Total=82656 [2021-11-03 04:42:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-11-03 04:42:51,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 127. [2021-11-03 04:42:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.0873015873015872) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:42:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 137 transitions. [2021-11-03 04:42:51,007 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 137 transitions. Word has length 88 [2021-11-03 04:42:51,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:42:51,008 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 137 transitions. [2021-11-03 04:42:51,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 196 states, 196 states have (on average 1.0816326530612246) internal successors, (212), 196 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:42:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2021-11-03 04:42:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-03 04:42:51,009 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:42:51,009 INFO L513 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:42:51,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-11-03 04:42:51,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2249 [2021-11-03 04:42:51,211 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:42:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:42:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1117931377, now seen corresponding path program 31 times [2021-11-03 04:42:51,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:42:51,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732032485] [2021-11-03 04:42:51,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:42:51,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:42:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:42:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-03 04:42:51,552 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:42:51,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732032485] [2021-11-03 04:42:51,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732032485] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:42:51,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91611019] [2021-11-03 04:42:51,552 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 04:42:51,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:42:51,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:42:51,553 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:42:51,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-03 04:42:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:42:53,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 04:42:53,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:42:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-03 04:42:53,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:42:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-03 04:42:54,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91611019] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:42:54,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [603856926] [2021-11-03 04:42:54,027 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:42:54,027 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:42:54,027 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:42:54,027 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:42:54,027 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:42:54,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:54,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:42:54,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:42:54,040 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_99|], 21=[|v_#valid_102|]} [2021-11-03 04:42:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:42:54,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:54,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:54,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:42:54,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:54,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:54,072 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:42:54,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,075 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:42:54,078 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:42:54,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:42:54,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:42:54,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:42:54,082 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_100|], 15=[|v_#valid_103|]} [2021-11-03 04:42:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,094 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:42:54,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:42:54,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:42:54,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:42:54,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,130 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:42:54,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:42:54,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:54,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:54,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:42:54,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,138 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:42:54,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 04:42:54,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:54,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 04:42:54,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:54,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-03 04:42:54,146 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 154 [2021-11-03 04:42:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-03 04:42:54,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:42:54,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:42:54,156 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,160 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.0 percent of original size [2021-11-03 04:42:54,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-03 04:42:54,162 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,162 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:149 [2021-11-03 04:42:54,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:54,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:42:54,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-03 04:42:54,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 304 [2021-11-03 04:42:54,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-03 04:42:54,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:54,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:54,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:54,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:54,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:42:54,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-03 04:42:54,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-03 04:42:54,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:54,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:54,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:54,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:54,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:42:54,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 339 [2021-11-03 04:42:54,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-03 04:42:54,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 382 [2021-11-03 04:42:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-03 04:42:54,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:42:54,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-03 04:42:54,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:54,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:42:54,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:54,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:54,266 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,289 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.2 percent of original size [2021-11-03 04:42:54,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-03 04:42:54,292 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:42:54,292 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:471, output treesize:369 [2021-11-03 04:42:54,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,319 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:42:54,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:54,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:42:54,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:54,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:54,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:42:54,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:42:54,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:54,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:54,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:42:54,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:54,332 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:42:54,335 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:42:54,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 04:42:54,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,405 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-03 04:42:54,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-03 04:42:54,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,424 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:54,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:54,428 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:54,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:54,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:54,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:54,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,458 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:54,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:54,461 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:54,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:54,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,464 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:54,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:54,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,491 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:54,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:54,495 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:54,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:54,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:54,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:54,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,536 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:54,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:54,541 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:54,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:54,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:54,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:54,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,585 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:54,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:54,590 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:54,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:54,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:54,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:54,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:54,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:54,628 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:54,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:54,634 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:42:55,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:42:55,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:42:55,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2021-11-03 04:42:55,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141959714] [2021-11-03 04:42:55,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-03 04:42:55,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:42:55,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-03 04:42:55,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1651, Unknown=0, NotChecked=0, Total=2070 [2021-11-03 04:42:55,148 INFO L87 Difference]: Start difference. First operand 127 states and 137 transitions. Second operand has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:42:55,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:42:55,863 INFO L93 Difference]: Finished difference Result 302 states and 327 transitions. [2021-11-03 04:42:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-03 04:42:55,864 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-03 04:42:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:42:55,865 INFO L225 Difference]: With dead ends: 302 [2021-11-03 04:42:55,865 INFO L226 Difference]: Without dead ends: 128 [2021-11-03 04:42:55,866 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=2627, Unknown=0, NotChecked=0, Total=3306 [2021-11-03 04:42:55,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-03 04:42:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-11-03 04:42:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.0866141732283465) internal successors, (138), 127 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:42:55,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2021-11-03 04:42:55,998 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 89 [2021-11-03 04:42:55,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:42:55,998 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2021-11-03 04:42:55,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:42:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2021-11-03 04:42:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-03 04:42:55,999 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:42:55,999 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:42:56,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-11-03 04:42:56,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2326 [2021-11-03 04:42:56,224 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:42:56,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:42:56,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1309228194, now seen corresponding path program 32 times [2021-11-03 04:42:56,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:42:56,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509604154] [2021-11-03 04:42:56,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:42:56,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:42:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:42:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 55 proven. 89 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-03 04:42:56,575 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:42:56,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509604154] [2021-11-03 04:42:56,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509604154] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:42:56,575 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997426865] [2021-11-03 04:42:56,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 04:42:56,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:42:56,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:42:56,576 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:42:56,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-03 04:42:58,678 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-03 04:42:58,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:42:58,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 04:42:58,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:42:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-03 04:42:59,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:42:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 66 proven. 78 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-03 04:42:59,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997426865] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 04:42:59,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [492536674] [2021-11-03 04:42:59,288 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-03 04:42:59,289 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 04:42:59,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 04:42:59,289 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 04:42:59,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 04:42:59,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 04:42:59,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:59,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-03 04:42:59,297 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_102|], 21=[|v_#valid_105|]} [2021-11-03 04:42:59,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 04:42:59,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:59,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:59,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 04:42:59,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:59,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 04:42:59,320 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,321 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-03 04:42:59,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,323 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-03 04:42:59,325 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.4 percent of original size [2021-11-03 04:42:59,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-03 04:42:59,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-03 04:42:59,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-03 04:42:59,329 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_103|], 15=[|v_#valid_106|]} [2021-11-03 04:42:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,341 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-03 04:42:59,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 32 [2021-11-03 04:42:59,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:42:59,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-03 04:42:59,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,377 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-03 04:42:59,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-03 04:42:59,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:59,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:59,380 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-03 04:42:59,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,384 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:133 [2021-11-03 04:42:59,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:59,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:59,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:59,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:59,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:42:59,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:42:59,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:42:59,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:59,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:59,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-03 04:42:59,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:166 [2021-11-03 04:42:59,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:59,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:42:59,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-03 04:42:59,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-03 04:42:59,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-11-03 04:42:59,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:59,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:59,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-03 04:42:59,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 04:42:59,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:59,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:59,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 04:42:59,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:59,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 04:42:59,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 04:42:59,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-03 04:42:59,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-03 04:42:59,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-03 04:42:59,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-03 04:42:59,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-03 04:42:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-03 04:42:59,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:59,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 04:42:59,534 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:42:59,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-03 04:42:59,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:42:59,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 04:42:59,550 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,566 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,623 INFO L180 QuantifierPusher]: treesize reduction 111, result has 76.8 percent of original size [2021-11-03 04:42:59,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 379 [2021-11-03 04:42:59,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 04:42:59,627 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:486, output treesize:379 [2021-11-03 04:42:59,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,652 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-03 04:42:59,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 04:42:59,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-03 04:42:59,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 04:42:59,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 04:42:59,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:42:59,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:42:59,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:59,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 04:42:59,666 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 04:42:59,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 04:42:59,669 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-03 04:42:59,672 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-03 04:42:59,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-03 04:42:59,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,690 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-03 04:42:59,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-03 04:42:59,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,717 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:59,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:59,721 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:59,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:59,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,724 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:59,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:59,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,749 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:59,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:59,753 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:59,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:59,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,755 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:59,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:59,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,788 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:59,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:59,791 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:59,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:59,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:59,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:59,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,820 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:59,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:59,824 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:59,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:59,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,826 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-03 04:42:59,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-03 04:42:59,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,851 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:59,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:59,855 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-03 04:42:59,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-03 04:42:59,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-03 04:42:59,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:42:59,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-03 04:42:59,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 04:42:59,885 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-03 04:42:59,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 04:42:59,890 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 04:43:00,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 04:43:00,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 04:43:00,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2021-11-03 04:43:00,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159288874] [2021-11-03 04:43:00,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-03 04:43:00,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 04:43:00,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-03 04:43:00,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=1657, Unknown=0, NotChecked=0, Total=2070 [2021-11-03 04:43:00,346 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand has 41 states, 41 states have (on average 1.6829268292682926) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:43:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:43:00,857 INFO L93 Difference]: Finished difference Result 197 states and 217 transitions. [2021-11-03 04:43:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-03 04:43:00,857 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.6829268292682926) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-11-03 04:43:00,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:43:00,858 INFO L225 Difference]: With dead ends: 197 [2021-11-03 04:43:00,858 INFO L226 Difference]: Without dead ends: 96 [2021-11-03 04:43:00,859 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 249 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1071 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=843, Invalid=2579, Unknown=0, NotChecked=0, Total=3422 [2021-11-03 04:43:00,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-03 04:43:00,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-03 04:43:00,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.0736842105263158) internal successors, (102), 95 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:43:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2021-11-03 04:43:00,930 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 90 [2021-11-03 04:43:00,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:43:00,930 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2021-11-03 04:43:00,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.6829268292682926) internal successors, (69), 41 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:43:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2021-11-03 04:43:00,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-03 04:43:00,931 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:43:00,931 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:43:00,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-11-03 04:43:01,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2404 [2021-11-03 04:43:01,140 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:43:01,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:43:01,140 INFO L85 PathProgramCache]: Analyzing trace with hash 290131534, now seen corresponding path program 33 times [2021-11-03 04:43:01,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 04:43:01,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742212575] [2021-11-03 04:43:01,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:43:01,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 04:43:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:43:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 60 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:43:17,048 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 04:43:17,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742212575] [2021-11-03 04:43:17,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742212575] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 04:43:17,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004226576] [2021-11-03 04:43:17,048 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 04:43:17,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 04:43:17,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:43:17,049 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 04:43:17,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef7ccb30-025b-48f1-8e0f-410dc5290348/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-11-03 04:43:19,092 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 04:43:19,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 04:43:19,097 WARN L261 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-03 04:43:19,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:43:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-03 04:43:35,119 INFO L328 TraceCheckSpWp]: Computing backward predicates...