./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array5_pattern.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_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/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_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array5_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/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_d8106ab3-f3e5-47ca-b593-8db010bf1644/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 3dd3ea9d30e76cbd39a744e53feb2b89c359b5b85c7df24161ceaf060cda3b02 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:29:30,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:29:30,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:29:30,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:29:30,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:29:30,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:29:30,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:29:30,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:29:30,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:29:30,719 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:29:30,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:29:30,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:29:30,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:29:30,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:29:30,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:29:30,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:29:30,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:29:30,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:29:30,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:29:30,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:29:30,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:29:30,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:29:30,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:29:30,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:29:30,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:29:30,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:29:30,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:29:30,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:29:30,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:29:30,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:29:30,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:29:30,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:29:30,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:29:30,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:29:30,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:29:30,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:29:30,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:29:30,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:29:30,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:29:30,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:29:30,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:29:30,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 05:29:30,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:29:30,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:29:30,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:29:30,831 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:29:30,832 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:29:30,832 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:29:30,832 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:29:30,832 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:29:30,839 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:29:30,839 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:29:30,840 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:29:30,841 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:29:30,841 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:29:30,841 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:29:30,841 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:29:30,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:29:30,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 05:29:30,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:29:30,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 05:29:30,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:29:30,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:29:30,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:29:30,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:29:30,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:29:30,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 05:29:30,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:29:30,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:29:30,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:29:30,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:29:30,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:29:30,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:29:30,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:29:30,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:29:30,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:29:30,847 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:29:30,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:29:30,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:29:30,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:29:30,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:29:30,848 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_d8106ab3-f3e5-47ca-b593-8db010bf1644/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dd3ea9d30e76cbd39a744e53feb2b89c359b5b85c7df24161ceaf060cda3b02 [2021-11-03 05:29:31,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:29:31,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:29:31,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:29:31,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:29:31,155 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:29:31,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-patterns/array5_pattern.c [2021-11-03 05:29:31,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/data/a809c5c4d/afa7a21344694c82800cf937af9d2c6d/FLAG646353391 [2021-11-03 05:29:31,721 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:29:31,721 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/sv-benchmarks/c/array-patterns/array5_pattern.c [2021-11-03 05:29:31,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/data/a809c5c4d/afa7a21344694c82800cf937af9d2c6d/FLAG646353391 [2021-11-03 05:29:32,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/data/a809c5c4d/afa7a21344694c82800cf937af9d2c6d [2021-11-03 05:29:32,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:29:32,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:29:32,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:29:32,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:29:32,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:29:32,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d7982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32, skipping insertion in model container [2021-11-03 05:29:32,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:29:32,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:29:32,292 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_d8106ab3-f3e5-47ca-b593-8db010bf1644/sv-benchmarks/c/array-patterns/array5_pattern.c[1890,1903] [2021-11-03 05:29:32,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:29:32,357 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:29:32,367 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_d8106ab3-f3e5-47ca-b593-8db010bf1644/sv-benchmarks/c/array-patterns/array5_pattern.c[1890,1903] [2021-11-03 05:29:32,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:29:32,393 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:29:32,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32 WrapperNode [2021-11-03 05:29:32,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:29:32,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:29:32,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:29:32,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:29:32,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:29:32,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:29:32,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:29:32,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:29:32,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:29:32,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:29:32,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:29:32,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:29:32,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (1/1) ... [2021-11-03 05:29:32,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:29:32,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:32,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:29:32,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:29:32,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 05:29:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:29:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 05:29:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:29:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:29:32,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 05:29:32,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:29:33,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:29:33,132 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-11-03 05:29:33,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:29:33 BoogieIcfgContainer [2021-11-03 05:29:33,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:29:33,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:29:33,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:29:33,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:29:33,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:29:32" (1/3) ... [2021-11-03 05:29:33,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cbb872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:29:33, skipping insertion in model container [2021-11-03 05:29:33,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:29:32" (2/3) ... [2021-11-03 05:29:33,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cbb872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:29:33, skipping insertion in model container [2021-11-03 05:29:33,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:29:33" (3/3) ... [2021-11-03 05:29:33,146 INFO L111 eAbstractionObserver]: Analyzing ICFG array5_pattern.c [2021-11-03 05:29:33,158 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:29:33,158 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 05:29:33,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:29:33,218 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 05:29:33,218 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 05:29:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 05:29:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 05:29:33,237 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:33,237 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:33,238 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:33,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash 994967500, now seen corresponding path program 1 times [2021-11-03 05:29:33,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:33,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888326760] [2021-11-03 05:29:33,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:33,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:33,425 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 05:29:33,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:29:33,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888326760] [2021-11-03 05:29:33,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888326760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 05:29:33,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:29:33,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-03 05:29:33,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837545406] [2021-11-03 05:29:33,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:29:33,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:29:33,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:29:33,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:29:33,448 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 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 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 05:29:33,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:33,460 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-03 05:29:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:29:33,462 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-03 05:29:33,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:33,469 INFO L225 Difference]: With dead ends: 18 [2021-11-03 05:29:33,469 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 05:29:33,472 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:29:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 05:29:33,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 05:29:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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 05:29:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-03 05:29:33,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-11-03 05:29:33,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:33,503 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-03 05:29:33,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 05:29:33,503 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-03 05:29:33,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 05:29:33,504 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:33,504 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:33,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 05:29:33,505 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:33,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:33,509 INFO L85 PathProgramCache]: Analyzing trace with hash 744054611, now seen corresponding path program 1 times [2021-11-03 05:29:33,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:33,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110484701] [2021-11-03 05:29:33,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:33,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:33,546 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:29:33,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1443200842] [2021-11-03 05:29:33,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:33,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:33,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:33,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:29:33,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 05:29:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:33,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 05:29:33,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:33,764 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 05:29:33,764 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:33,860 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 05:29:33,860 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:29:33,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110484701] [2021-11-03 05:29:33,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:33,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443200842] [2021-11-03 05:29:33,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443200842] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:29:33,862 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:29:33,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-03 05:29:33,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734107520] [2021-11-03 05:29:33,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 05:29:33,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:29:33,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 05:29:33,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 05:29:33,865 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 05:29:33,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:33,894 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-03 05:29:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:29:33,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-03 05:29:33,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:33,895 INFO L225 Difference]: With dead ends: 13 [2021-11-03 05:29:33,895 INFO L226 Difference]: Without dead ends: 10 [2021-11-03 05:29:33,898 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 05:29:33,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-03 05:29:33,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-03 05:29:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 05:29:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-11-03 05:29:33,904 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 12 transitions. Word has length 8 [2021-11-03 05:29:33,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:33,905 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-11-03 05:29:33,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 05:29:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-03 05:29:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 05:29:33,928 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:33,928 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:33,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:29:34,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:34,153 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:34,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:34,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1590694069, now seen corresponding path program 1 times [2021-11-03 05:29:34,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:34,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135311716] [2021-11-03 05:29:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:34,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:34,197 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:29:34,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120816115] [2021-11-03 05:29:34,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:34,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:34,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:34,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:29:34,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 05:29:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:34,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:29:34,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:34,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:34,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:29:34,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135311716] [2021-11-03 05:29:34,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:34,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120816115] [2021-11-03 05:29:34,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120816115] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:29:34,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:29:34,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-03 05:29:34,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347541500] [2021-11-03 05:29:34,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:29:34,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:29:34,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:29:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:29:34,408 INFO L87 Difference]: Start difference. First operand 10 states and 12 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 05:29:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:34,461 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-11-03 05:29:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:29:34,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 9 [2021-11-03 05:29:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:34,463 INFO L225 Difference]: With dead ends: 20 [2021-11-03 05:29:34,463 INFO L226 Difference]: Without dead ends: 11 [2021-11-03 05:29:34,464 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:29:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-03 05:29:34,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-03 05:29:34,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 05:29:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-03 05:29:34,470 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 9 [2021-11-03 05:29:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:34,471 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-03 05:29:34,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 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 05:29:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-03 05:29:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 05:29:34,472 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:34,473 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:34,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:29:34,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:34,693 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:34,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1387410374, now seen corresponding path program 1 times [2021-11-03 05:29:34,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:34,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733077204] [2021-11-03 05:29:34,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:34,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:34,720 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:29:34,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168692487] [2021-11-03 05:29:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:34,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:34,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:34,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:29:34,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 05:29:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:34,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-03 05:29:34,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:34,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 101 [2021-11-03 05:29:35,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 33 [2021-11-03 05:29:35,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 53 [2021-11-03 05:29:35,470 INFO L354 Elim1Store]: treesize reduction 82, result has 7.9 percent of original size [2021-11-03 05:29:35,470 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 52 treesize of output 34 [2021-11-03 05:29:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:35,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:35,715 INFO L354 Elim1Store]: treesize reduction 78, result has 50.3 percent of original size [2021-11-03 05:29:35,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 133 treesize of output 121 [2021-11-03 05:29:36,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 6 [2021-11-03 05:29:36,255 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-11-03 05:29:36,256 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 30 treesize of output 14 [2021-11-03 05:29:36,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:36,404 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-11-03 05:29:36,453 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-11-03 05:29:36,453 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 40 treesize of output 24 [2021-11-03 05:29:37,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:37,522 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 126 treesize of output 162 [2021-11-03 05:29:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:38,400 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:29:38,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733077204] [2021-11-03 05:29:38,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:38,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168692487] [2021-11-03 05:29:38,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168692487] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:29:38,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1943824250] [2021-11-03 05:29:38,424 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 05:29:38,424 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:29:38,428 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:29:38,434 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:29:38,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:29:38,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:38,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:29:38,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:38,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:29:38,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:38,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:29:38,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-03 05:29:38,503 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_1, |v_#length_22|], 55=[|v_#valid_35|]} [2021-11-03 05:29:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:29:38,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:29:38,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:29:38,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,590 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:38,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:38,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:38,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:38,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:38,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:38,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:38,692 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,708 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:38,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:38,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:38,711 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:38,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,819 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-03 05:29:38,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-03 05:29:38,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:38,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:38,835 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:38,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,870 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-03 05:29:38,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:29:38,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,876 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:925, output treesize:183 [2021-11-03 05:29:38,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:38,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:29:38,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-11-03 05:29:38,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:38,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-03 05:29:38,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:29:38,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:29:38,924 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:38,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:38,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-03 05:29:38,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:38,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:197 [2021-11-03 05:29:38,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:38,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:29:39,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:29:39,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 467 [2021-11-03 05:29:39,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 422 [2021-11-03 05:29:39,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 526 [2021-11-03 05:29:39,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-03 05:29:39,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:39,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:39,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2021-11-03 05:29:39,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:29:39,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:29:39,253 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,357 INFO L180 QuantifierPusher]: treesize reduction 158, result has 75.0 percent of original size [2021-11-03 05:29:39,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-11-03 05:29:39,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:29:39,366 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:667, output treesize:473 [2021-11-03 05:29:39,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,489 INFO L180 QuantifierPusher]: treesize reduction 54, result has 68.8 percent of original size [2021-11-03 05:29:39,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:29:39,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:29:39,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:39,511 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-03 05:29:39,511 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-03 05:29:39,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:29:39,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:29:39,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 05:29:39,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,522 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:100 [2021-11-03 05:29:39,529 INFO L180 QuantifierPusher]: treesize reduction 55, result has 58.6 percent of original size [2021-11-03 05:29:39,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-03 05:29:39,540 INFO L180 QuantifierPusher]: treesize reduction 60, result has 80.8 percent of original size [2021-11-03 05:29:39,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:39,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:39,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:39,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-03 05:29:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:39,592 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-03 05:29:39,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2021-11-03 05:29:39,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:39,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:39,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:39,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,636 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:39,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,638 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:39,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:39,700 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-03 05:29:39,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-03 05:29:39,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:39,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:39,703 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:39,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,714 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:39,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:39,724 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:39,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,748 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.1 percent of original size [2021-11-03 05:29:39,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-11-03 05:29:39,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:29:39,753 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:842, output treesize:246 [2021-11-03 05:29:39,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 05:29:39,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:39,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-03 05:29:39,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:39,859 INFO L180 QuantifierPusher]: treesize reduction 54, result has 66.7 percent of original size [2021-11-03 05:29:39,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-03 05:29:39,868 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:29:41,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:41,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:29:41,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-11-03 05:29:41,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605229755] [2021-11-03 05:29:41,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-03 05:29:41,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:29:41,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-03 05:29:41,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2021-11-03 05:29:41,888 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 05:29:42,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:42,448 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2021-11-03 05:29:42,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-03 05:29:42,449 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 10 [2021-11-03 05:29:42,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:42,450 INFO L225 Difference]: With dead ends: 28 [2021-11-03 05:29:42,451 INFO L226 Difference]: Without dead ends: 24 [2021-11-03 05:29:42,452 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=144, Invalid=726, Unknown=0, NotChecked=0, Total=870 [2021-11-03 05:29:42,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-11-03 05:29:42,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2021-11-03 05:29:42,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 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 05:29:42,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-11-03 05:29:42,460 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 10 [2021-11-03 05:29:42,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:42,460 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-03 05:29:42,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 05:29:42,460 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-03 05:29:42,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 05:29:42,462 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:42,462 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:42,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:29:42,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:42,663 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:42,664 INFO L85 PathProgramCache]: Analyzing trace with hash -60211026, now seen corresponding path program 2 times [2021-11-03 05:29:42,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:42,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061317996] [2021-11-03 05:29:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:42,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:42,684 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:29:42,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547784403] [2021-11-03 05:29:42,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 05:29:42,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:42,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:42,690 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:29:42,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 05:29:42,793 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 05:29:42,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:29:42,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 05:29:42,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:42,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:42,903 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:29:42,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061317996] [2021-11-03 05:29:42,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:42,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547784403] [2021-11-03 05:29:42,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547784403] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:29:42,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [968754566] [2021-11-03 05:29:42,910 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 05:29:42,911 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:29:42,911 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:29:42,911 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:29:42,911 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:29:42,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:42,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:29:42,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:42,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:29:42,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:42,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:29:42,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-03 05:29:42,951 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|, v_prenex_3], 55=[|v_#valid_36|]} [2021-11-03 05:29:42,961 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:42,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:42,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:42,964 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:42,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:42,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:42,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:42,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:42,980 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:42,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:43,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:43,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:43,015 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:29:43,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:29:43,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:29:43,059 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,159 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-03 05:29:43,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-03 05:29:43,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:43,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:43,171 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,189 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-03 05:29:43,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:29:43,194 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,194 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:925, output treesize:183 [2021-11-03 05:29:43,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:29:43,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-11-03 05:29:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-03 05:29:43,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:29:43,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:29:43,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-03 05:29:43,258 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,259 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:197 [2021-11-03 05:29:43,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:29:43,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:29:43,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 467 [2021-11-03 05:29:43,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 422 [2021-11-03 05:29:43,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 526 [2021-11-03 05:29:43,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-03 05:29:43,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:43,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:43,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2021-11-03 05:29:43,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:29:43,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:29:43,558 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,636 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,657 INFO L180 QuantifierPusher]: treesize reduction 158, result has 75.0 percent of original size [2021-11-03 05:29:43,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-11-03 05:29:43,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:29:43,666 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:667, output treesize:473 [2021-11-03 05:29:43,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,809 INFO L180 QuantifierPusher]: treesize reduction 54, result has 68.8 percent of original size [2021-11-03 05:29:43,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:29:43,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:29:43,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:43,834 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-03 05:29:43,834 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-03 05:29:43,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:29:43,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:29:43,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 05:29:43,846 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,847 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:100 [2021-11-03 05:29:43,854 INFO L180 QuantifierPusher]: treesize reduction 55, result has 58.6 percent of original size [2021-11-03 05:29:43,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-03 05:29:43,867 INFO L180 QuantifierPusher]: treesize reduction 60, result has 80.8 percent of original size [2021-11-03 05:29:43,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:43,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:43,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:43,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-03 05:29:43,893 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:43,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:43,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:43,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:43,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:43,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:43,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:43,938 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-03 05:29:43,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2021-11-03 05:29:43,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:43,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:43,942 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:43,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:43,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:43,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:44,010 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-03 05:29:44,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-03 05:29:44,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:44,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:44,014 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:44,023 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:44,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:44,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:44,025 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:44,034 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:44,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:44,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:44,036 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:44,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,057 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.1 percent of original size [2021-11-03 05:29:44,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-11-03 05:29:44,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:29:44,062 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:842, output treesize:246 [2021-11-03 05:29:44,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 05:29:44,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:44,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-03 05:29:44,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:44,166 INFO L180 QuantifierPusher]: treesize reduction 54, result has 66.7 percent of original size [2021-11-03 05:29:44,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-03 05:29:44,177 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:29:45,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:45,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:29:45,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-11-03 05:29:45,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633718454] [2021-11-03 05:29:45,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 05:29:45,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:29:45,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 05:29:45,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:29:45,962 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 05:29:46,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:46,074 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2021-11-03 05:29:46,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 05:29:46,075 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 05:29:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:46,076 INFO L225 Difference]: With dead ends: 36 [2021-11-03 05:29:46,076 INFO L226 Difference]: Without dead ends: 29 [2021-11-03 05:29:46,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2021-11-03 05:29:46,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-03 05:29:46,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 21. [2021-11-03 05:29:46,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.25) internal successors, (25), 20 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 05:29:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-11-03 05:29:46,082 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2021-11-03 05:29:46,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:46,082 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-11-03 05:29:46,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 05:29:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-03 05:29:46,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 05:29:46,083 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:46,083 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:46,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:29:46,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-11-03 05:29:46,284 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:46,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:46,284 INFO L85 PathProgramCache]: Analyzing trace with hash 780632405, now seen corresponding path program 3 times [2021-11-03 05:29:46,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:46,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496877877] [2021-11-03 05:29:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:46,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:46,301 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:29:46,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760623748] [2021-11-03 05:29:46,302 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 05:29:46,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:46,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:46,303 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:29:46,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 05:29:46,406 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 05:29:46,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 05:29:46,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 05:29:46,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:46,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:46,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:29:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:46,512 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 05:29:46,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496877877] [2021-11-03 05:29:46,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:46,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760623748] [2021-11-03 05:29:46,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760623748] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 05:29:46,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2040753016] [2021-11-03 05:29:46,515 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-03 05:29:46,516 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 05:29:46,516 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 05:29:46,516 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 05:29:46,516 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 05:29:46,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:46,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-03 05:29:46,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:46,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 05:29:46,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:46,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-03 05:29:46,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 281 [2021-11-03 05:29:46,564 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|, v_prenex_5], 55=[|v_#valid_37|]} [2021-11-03 05:29:46,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:46,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:46,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:46,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,586 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:46,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:46,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:46,587 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:46,604 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 34 [2021-11-03 05:29:46,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:29:46,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 05:29:46,682 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,693 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:46,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:46,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:46,695 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:46,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,805 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-03 05:29:46,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-03 05:29:46,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:46,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:46,811 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:46,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,825 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-03 05:29:46,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-03 05:29:46,832 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,832 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:925, output treesize:183 [2021-11-03 05:29:46,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:46,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-03 05:29:46,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2021-11-03 05:29:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:46,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-03 05:29:46,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:29:46,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 05:29:46,875 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:46,884 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:46,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-03 05:29:46,897 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:46,897 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:210, output treesize:197 [2021-11-03 05:29:46,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:46,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:46,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-03 05:29:47,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 05:29:47,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 467 [2021-11-03 05:29:47,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 422 [2021-11-03 05:29:47,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 526 [2021-11-03 05:29:47,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-03 05:29:47,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:47,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:47,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2021-11-03 05:29:47,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:29:47,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 05:29:47,175 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,279 INFO L180 QuantifierPusher]: treesize reduction 158, result has 75.0 percent of original size [2021-11-03 05:29:47,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 473 [2021-11-03 05:29:47,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:29:47,289 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:667, output treesize:473 [2021-11-03 05:29:47,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,387 INFO L180 QuantifierPusher]: treesize reduction 54, result has 68.8 percent of original size [2021-11-03 05:29:47,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-03 05:29:47,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-03 05:29:47,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:47,408 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-03 05:29:47,408 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 1 case distinctions, treesize of input 42 treesize of output 25 [2021-11-03 05:29:47,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:29:47,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-03 05:29:47,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-03 05:29:47,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:100 [2021-11-03 05:29:47,423 INFO L180 QuantifierPusher]: treesize reduction 55, result has 58.6 percent of original size [2021-11-03 05:29:47,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-03 05:29:47,434 INFO L180 QuantifierPusher]: treesize reduction 60, result has 80.8 percent of original size [2021-11-03 05:29:47,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-03 05:29:47,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 05:29:47,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 05:29:47,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-03 05:29:47,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:47,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:47,494 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-03 05:29:47,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2021-11-03 05:29:47,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:47,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:47,497 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:47,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,506 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,532 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:47,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,534 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:47,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 05:29:47,547 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:47,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:47,579 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-11-03 05:29:47,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 29 [2021-11-03 05:29:47,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:47,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-03 05:29:47,582 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-03 05:29:47,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,599 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.1 percent of original size [2021-11-03 05:29:47,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 246 [2021-11-03 05:29:47,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 05:29:47,604 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:842, output treesize:246 [2021-11-03 05:29:47,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-03 05:29:47,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:29:47,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 280 [2021-11-03 05:29:47,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:29:47,703 INFO L180 QuantifierPusher]: treesize reduction 54, result has 66.7 percent of original size [2021-11-03 05:29:47,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-03 05:29:47,713 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 05:29:49,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 05:29:49,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-03 05:29:49,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-11-03 05:29:49,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762607503] [2021-11-03 05:29:49,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-03 05:29:49,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 05:29:49,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-03 05:29:49,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-11-03 05:29:49,585 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 05:29:49,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:29:49,733 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-11-03 05:29:49,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 05:29:49,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 05:29:49,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:29:49,734 INFO L225 Difference]: With dead ends: 29 [2021-11-03 05:29:49,735 INFO L226 Difference]: Without dead ends: 26 [2021-11-03 05:29:49,735 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2021-11-03 05:29:49,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-03 05:29:49,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2021-11-03 05:29:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 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 05:29:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2021-11-03 05:29:49,741 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 11 [2021-11-03 05:29:49,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:29:49,742 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2021-11-03 05:29:49,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 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 05:29:49,742 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-03 05:29:49,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 05:29:49,743 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:29:49,743 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:29:49,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:29:49,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:49,965 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:29:49,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:29:49,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1570361613, now seen corresponding path program 4 times [2021-11-03 05:29:49,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 05:29:49,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053207874] [2021-11-03 05:29:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:29:49,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 05:29:49,982 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-03 05:29:49,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773515610] [2021-11-03 05:29:49,983 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 05:29:49,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 05:29:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:29:49,984 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 05:29:50,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8106ab3-f3e5-47ca-b593-8db010bf1644/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 05:29:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:29:50,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-03 05:29:50,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:29:50,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 101 [2021-11-03 05:29:50,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-03 05:29:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 39 [2021-11-03 05:29:50,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,582 INFO L354 Elim1Store]: treesize reduction 168, result has 40.2 percent of original size [2021-11-03 05:29:50,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 131 treesize of output 195 [2021-11-03 05:29:50,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:50,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:50,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 21 [2021-11-03 05:29:50,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:50,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 18 [2021-11-03 05:29:50,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:50,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 15 [2021-11-03 05:29:50,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 05:29:50,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:50,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 05:29:50,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:50,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 27 [2021-11-03 05:29:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 05:29:51,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 15 [2021-11-03 05:29:51,709 INFO L354 Elim1Store]: treesize reduction 76, result has 37.2 percent of original size [2021-11-03 05:29:51,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 101 treesize of output 89 [2021-11-03 05:29:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:29:51,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:30:00,134 WARN L207 SmtUtils]: Spent 5.81 s on a formula simplification that was a NOOP. DAG size: 64 [2021-11-03 05:30:14,920 INFO L354 Elim1Store]: treesize reduction 1008, result has 17.6 percent of original size [2021-11-03 05:30:14,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 215148562 treesize of output 15878376 [2021-11-03 05:30:47,581 WARN L207 SmtUtils]: Spent 32.66 s on a formula simplification that was a NOOP. DAG size: 1052 [2021-11-03 05:30:47,672 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 05:30:47,674 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 15878376 treesize of output 14829794 [2021-11-03 05:31:19,658 WARN L207 SmtUtils]: Spent 31.98 s on a formula simplification that was a NOOP. DAG size: 1054 [2021-11-03 05:32:22,689 WARN L207 SmtUtils]: Spent 16.25 s on a formula simplification that was a NOOP. DAG size: 1004 [2021-11-03 05:33:32,670 WARN L207 SmtUtils]: Spent 31.19 s on a formula simplification that was a NOOP. DAG size: 1000 [2021-11-03 05:35:43,785 WARN L207 SmtUtils]: Spent 7.81 s on a formula simplification that was a NOOP. DAG size: 978 [2021-11-03 05:37:10,693 WARN L207 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 929 DAG size of output: 929 [2021-11-03 05:37:28,994 WARN L207 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 709 DAG size of output: 710 [2021-11-03 05:37:38,049 WARN L207 SmtUtils]: Spent 6.05 s on a formula simplification. DAG size of input: 705 DAG size of output: 706