./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF --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 f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:42:23,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:42:23,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:42:23,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:42:23,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:42:23,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:42:23,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:42:23,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:42:23,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:42:23,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:42:23,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:42:23,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:42:23,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:42:23,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:42:23,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:42:23,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:42:23,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:42:23,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:42:23,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:42:23,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:42:23,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:42:23,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:42:23,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:42:23,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:42:23,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:42:23,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:42:23,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:42:23,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:42:23,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:42:23,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:42:23,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:42:23,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:42:23,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:42:23,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:42:23,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:42:23,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:42:23,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:42:23,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:42:23,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:42:23,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:42:23,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:42:23,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:42:23,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:42:23,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:42:23,757 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:42:23,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:42:23,757 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:42:23,757 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:42:23,758 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:42:23,758 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:42:23,758 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:42:23,759 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:42:23,759 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:42:23,759 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:42:23,759 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:42:23,760 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:42:23,760 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:42:23,760 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:42:23,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:42:23,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:42:23,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:42:23,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:42:23,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:42:23,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:42:23,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:42:23,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:42:23,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:42:23,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:42:23,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:42:23,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:42:23,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:42:23,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:42:23,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:42:23,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:23,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:42:23,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:42:23,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:42:23,775 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:42:23,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:42:23,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:42:23,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:42:23,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:42:23,778 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_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab [2021-11-13 01:42:24,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:42:24,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:42:24,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:42:24,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:42:24,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:42:24,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-fpi/brs2f.c [2021-11-13 01:42:24,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/data/2e96986e2/e4330fd8aeed4b87a10123f0492f44cc/FLAG793c010cd [2021-11-13 01:42:24,846 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:42:24,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/sv-benchmarks/c/array-fpi/brs2f.c [2021-11-13 01:42:24,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/data/2e96986e2/e4330fd8aeed4b87a10123f0492f44cc/FLAG793c010cd [2021-11-13 01:42:25,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/data/2e96986e2/e4330fd8aeed4b87a10123f0492f44cc [2021-11-13 01:42:25,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:42:25,182 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:42:25,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:25,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:42:25,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:42:25,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cfeaba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25, skipping insertion in model container [2021-11-13 01:42:25,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:42:25,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:42:25,456 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_e5f8ee54-b775-4045-ba53-9726de0762d2/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2021-11-13 01:42:25,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:25,498 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:42:25,519 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_e5f8ee54-b775-4045-ba53-9726de0762d2/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2021-11-13 01:42:25,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:42:25,573 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:42:25,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25 WrapperNode [2021-11-13 01:42:25,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:42:25,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:42:25,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:42:25,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:42:25,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:42:25,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:42:25,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:42:25,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:42:25,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,655 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:42:25,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:42:25,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:42:25,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:42:25,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (1/1) ... [2021-11-13 01:42:25,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:42:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:25,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:42:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:42:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:42:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:42:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:42:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 01:42:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:42:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:42:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:42:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:42:26,148 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:42:26,148 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 01:42:26,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:26 BoogieIcfgContainer [2021-11-13 01:42:26,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:42:26,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:42:26,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:42:26,158 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:42:26,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:42:25" (1/3) ... [2021-11-13 01:42:26,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7dc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:26, skipping insertion in model container [2021-11-13 01:42:26,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:42:25" (2/3) ... [2021-11-13 01:42:26,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7dc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:42:26, skipping insertion in model container [2021-11-13 01:42:26,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:26" (3/3) ... [2021-11-13 01:42:26,163 INFO L111 eAbstractionObserver]: Analyzing ICFG brs2f.c [2021-11-13 01:42:26,169 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:42:26,170 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:42:26,235 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:42:26,244 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 [2021-11-13 01:42:26,245 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:42:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 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) [2021-11-13 01:42:26,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 01:42:26,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:26,270 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-13 01:42:26,271 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:26,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1448994786, now seen corresponding path program 1 times [2021-11-13 01:42:26,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:26,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149087089] [2021-11-13 01:42:26,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:26,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:26,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:26,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149087089] [2021-11-13 01:42:26,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149087089] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:26,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:26,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 01:42:26,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609784026] [2021-11-13 01:42:26,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:26,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:42:26,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:26,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:42:26,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:42:26,669 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-13 01:42:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:26,783 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-13 01:42:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:42:26,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-13 01:42:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:26,799 INFO L225 Difference]: With dead ends: 18 [2021-11-13 01:42:26,799 INFO L226 Difference]: Without dead ends: 8 [2021-11-13 01:42:26,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:42:26,809 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 82.11ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:26,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 82.11ms Time] [2021-11-13 01:42:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-13 01:42:26,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-13 01:42:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-13 01:42:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-13 01:42:26,851 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-13 01:42:26,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:26,852 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-13 01:42:26,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-13 01:42:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-13 01:42:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 01:42:26,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:26,854 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:26,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:42:26,855 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:26,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:26,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1973441861, now seen corresponding path program 1 times [2021-11-13 01:42:26,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:26,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781857384] [2021-11-13 01:42:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:26,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:42:27,004 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:27,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781857384] [2021-11-13 01:42:27,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781857384] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:42:27,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:42:27,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 01:42:27,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734107162] [2021-11-13 01:42:27,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:42:27,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:42:27,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:27,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:42:27,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:42:27,010 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-13 01:42:27,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:27,041 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-11-13 01:42:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:42:27,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 [2021-11-13 01:42:27,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:27,052 INFO L225 Difference]: With dead ends: 12 [2021-11-13 01:42:27,052 INFO L226 Difference]: Without dead ends: 9 [2021-11-13 01:42:27,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 01:42:27,055 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 5 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.51ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.01ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:27,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 4 Invalid, 12 Unknown, 0 Unchecked, 0.51ms Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 24.01ms Time] [2021-11-13 01:42:27,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-13 01:42:27,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-13 01:42:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 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) [2021-11-13 01:42:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-13 01:42:27,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2021-11-13 01:42:27,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:27,071 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-13 01:42:27,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2021-11-13 01:42:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-13 01:42:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 01:42:27,073 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:27,073 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:27,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 01:42:27,074 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:27,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:27,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1046873979, now seen corresponding path program 1 times [2021-11-13 01:42:27,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:27,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545209855] [2021-11-13 01:42:27,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:27,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:42:27,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:27,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545209855] [2021-11-13 01:42:27,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545209855] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:27,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174844589] [2021-11-13 01:42:27,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:27,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:27,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:27,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:42:27,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:42:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:27,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:42:27,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:27,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:27,636 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 40 treesize of output 32 [2021-11-13 01:42:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:42:27,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:27,962 INFO L354 Elim1Store]: treesize reduction 48, result has 64.2 percent of original size [2021-11-13 01:42:27,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 121 [2021-11-13 01:42:28,287 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,288 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 78 treesize of output 77 [2021-11-13 01:42:28,444 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,445 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 72 treesize of output 71 [2021-11-13 01:42:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:42:28,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174844589] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:42:28,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [403217021] [2021-11-13 01:42:28,570 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-13 01:42:28,570 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:42:28,577 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:42:28,584 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:42:28,584 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:42:28,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:28,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:28,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:28,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:42:28,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:42:28,664 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_20|]} [2021-11-13 01:42:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:42:28,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:28,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:28,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:28,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:28,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:42:28,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:28,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:28,780 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:28,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:28,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:42:28,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:28,823 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:42:28,846 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-11-13 01:42:28,851 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:28,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:42:28,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:28,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-13 01:42:28,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-13 01:42:28,889 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_21|]} [2021-11-13 01:42:28,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:28,987 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:42:28,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-13 01:42:28,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:28,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:28,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:28,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:29,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,024 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,112 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:42:29,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-13 01:42:29,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:29,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:29,123 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-13 01:42:29,180 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,180 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:161 [2021-11-13 01:42:29,209 INFO L180 QuantifierPusher]: treesize reduction 58, result has 78.7 percent of original size [2021-11-13 01:42:29,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:29,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:29,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-13 01:42:29,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:42:29,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-13 01:42:29,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:29,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:42:29,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:29,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:29,291 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-13 01:42:29,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,329 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:384, output treesize:187 [2021-11-13 01:42:29,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,528 INFO L180 QuantifierPusher]: treesize reduction 58, result has 89.1 percent of original size [2021-11-13 01:42:29,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:29,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:42:29,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-13 01:42:29,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:42:29,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:42:29,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:29,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-13 01:42:29,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:42:29,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 752 [2021-11-13 01:42:29,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:29,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2021-11-13 01:42:29,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-13 01:42:29,728 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:29,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:29,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:29,750 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:42:29,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:29,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:29,783 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:29,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2021-11-13 01:42:29,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:42:29,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:42:29,818 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:29,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:29,912 INFO L180 QuantifierPusher]: treesize reduction 131, result has 76.1 percent of original size [2021-11-13 01:42:29,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-13 01:42:29,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:29,922 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1111, output treesize:417 [2021-11-13 01:42:29,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:29,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,032 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-13 01:42:30,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:30,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:30,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:42:30,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:30,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:30,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:30,055 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:30,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:30,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:30,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 01:42:30,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:30,099 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-13 01:42:30,107 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-13 01:42:30,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:42:30,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:30,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:30,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-13 01:42:30,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:30,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:30,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:30,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 01:42:30,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-13 01:42:30,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:42:30,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:30,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:30,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:42:30,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:42:30,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 01:42:30,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:42:30,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-13 01:42:30,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-13 01:42:30,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-13 01:42:30,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:30,241 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 01:42:30,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:30,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:30,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:30,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:30,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:30,255 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:30,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:30,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:30,266 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,292 INFO L180 QuantifierPusher]: treesize reduction 117, result has 55.2 percent of original size [2021-11-13 01:42:30,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 01:42:30,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:30,295 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-13 01:42:30,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,337 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-13 01:42:30,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:30,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:30,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:30,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 01:42:30,349 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_39|], 6=[v_prenex_3]} [2021-11-13 01:42:30,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:30,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:30,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:30,359 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:30,385 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-13 01:42:30,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:30,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:30,389 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:30,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:30,398 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-13 01:42:30,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:30,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:42:30,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:30,404 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-13 01:42:30,413 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:42:31,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:42:31,180 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:42:31,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-13 01:42:31,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963660960] [2021-11-13 01:42:31,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:42:31,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:42:31,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:31,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:42:31,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:31,182 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 10 states, 10 states have (on average 1.5) 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) [2021-11-13 01:42:31,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:31,258 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-13 01:42:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:42:31,259 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) 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) Word has length 8 [2021-11-13 01:42:31,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:31,259 INFO L225 Difference]: With dead ends: 13 [2021-11-13 01:42:31,260 INFO L226 Difference]: Without dead ends: 10 [2021-11-13 01:42:31,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:42:31,262 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.99ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:31,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 48 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 52.99ms Time] [2021-11-13 01:42:31,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-13 01:42:31,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-13 01:42:31,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 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) [2021-11-13 01:42:31,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-13 01:42:31,266 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2021-11-13 01:42:31,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:31,267 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-13 01:42:31,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) 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) [2021-11-13 01:42:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-13 01:42:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:42:31,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:31,268 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:31,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-13 01:42:31,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-13 01:42:31,491 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:31,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:31,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1906926587, now seen corresponding path program 2 times [2021-11-13 01:42:31,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:31,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107931463] [2021-11-13 01:42:31,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:31,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:31,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:31,577 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:31,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107931463] [2021-11-13 01:42:31,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107931463] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:31,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502754515] [2021-11-13 01:42:31,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:42:31,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:31,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:31,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:42:31,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:42:31,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 01:42:31,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:42:31,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 01:42:31,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:31,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:31,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502754515] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:42:31,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [350753884] [2021-11-13 01:42:31,812 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-13 01:42:31,813 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:42:31,814 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:42:31,814 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:42:31,814 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:42:31,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:31,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:42:31,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:31,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:31,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:42:31,835 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_23|]} [2021-11-13 01:42:31,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:42:31,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:31,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:31,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:31,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:31,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:42:31,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:31,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:31,891 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:31,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:31,899 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:42:31,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:31,904 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:42:31,913 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-11-13 01:42:31,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:31,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-13 01:42:31,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:31,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:42:31,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-13 01:42:31,930 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_24|]} [2021-11-13 01:42:31,940 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:31,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:31,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:31,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:31,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:31,982 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:42:31,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-13 01:42:31,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:31,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:31,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:31,988 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:31,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:31,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,049 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:42:32,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-13 01:42:32,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:32,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:32,057 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,066 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-13 01:42:32,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,074 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:161 [2021-11-13 01:42:32,095 INFO L180 QuantifierPusher]: treesize reduction 58, result has 78.7 percent of original size [2021-11-13 01:42:32,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:32,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-13 01:42:32,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:42:32,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:42:32,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:42:32,126 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-13 01:42:32,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:168 [2021-11-13 01:42:32,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,292 INFO L180 QuantifierPusher]: treesize reduction 58, result has 88.8 percent of original size [2021-11-13 01:42:32,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:32,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:32,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-13 01:42:32,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:42:32,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 01:42:32,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 01:42:32,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-13 01:42:32,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-13 01:42:32,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 438 [2021-11-13 01:42:32,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-13 01:42:32,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 467 [2021-11-13 01:42:32,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-13 01:42:32,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:42:32,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:42:32,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:32,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:32,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:32,451 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:42:32,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:32,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:32,483 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,498 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:32,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:32,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:32,501 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,583 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.4 percent of original size [2021-11-13 01:42:32,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 407 [2021-11-13 01:42:32,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:32,596 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1081, output treesize:407 [2021-11-13 01:42:32,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,730 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-13 01:42:32,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:32,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:32,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:42:32,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:32,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:32,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:32,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:32,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:32,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:32,774 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 01:42:32,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:32,790 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-13 01:42:32,798 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-13 01:42:32,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:42:32,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:32,812 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-13 01:42:32,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:32,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:32,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:32,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,829 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-13 01:42:32,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-13 01:42:32,832 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,832 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-13 01:42:32,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:32,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:42:32,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:42:32,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:42:32,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 01:42:32,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:42:32,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:32,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:32,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:42:32,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:32,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-13 01:42:32,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-13 01:42:32,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:32,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 01:42:32,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:42:32,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:42:32,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:32,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:32,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:32,971 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,980 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:32,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:32,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:32,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:32,983 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:32,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,014 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-13 01:42:33,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 01:42:33,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:33,047 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-13 01:42:33,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,102 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-13 01:42:33,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:33,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:33,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:33,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:33,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 01:42:33,117 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_5], 6=[|v_#memory_int_48|]} [2021-11-13 01:42:33,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:33,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:33,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:33,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:33,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:33,156 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-13 01:42:33,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:33,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:33,160 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:33,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:33,168 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-13 01:42:33,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:33,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:42:33,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:33,175 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-13 01:42:33,185 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:42:33,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:42:33,918 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:42:33,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-13 01:42:33,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146762666] [2021-11-13 01:42:33,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:42:33,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 01:42:33,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:33,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 01:42:33,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-13 01:42:33,921 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2021-11-13 01:42:33,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:33,995 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-11-13 01:42:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 01:42:33,997 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 [2021-11-13 01:42:33,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:33,998 INFO L225 Difference]: With dead ends: 17 [2021-11-13 01:42:33,998 INFO L226 Difference]: Without dead ends: 11 [2021-11-13 01:42:33,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-13 01:42:33,999 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.89ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.06ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:34,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 43 Unknown, 0 Unchecked, 0.89ms Time], IncrementalHoareTripleChecker [7 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 54.06ms Time] [2021-11-13 01:42:34,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-13 01:42:34,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-13 01:42:34,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 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) [2021-11-13 01:42:34,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-13 01:42:34,006 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2021-11-13 01:42:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:34,006 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-13 01:42:34,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2021-11-13 01:42:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-13 01:42:34,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 01:42:34,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:34,007 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:34,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:34,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-11-13 01:42:34,208 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:34,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:34,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1099829186, now seen corresponding path program 3 times [2021-11-13 01:42:34,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:34,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875131115] [2021-11-13 01:42:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:34,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:34,592 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:34,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875131115] [2021-11-13 01:42:34,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875131115] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:34,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592725154] [2021-11-13 01:42:34,592 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 01:42:34,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:34,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:34,595 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:42:34,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:42:34,666 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 01:42:34,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:42:34,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-13 01:42:34,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:34,681 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 10 treesize of output 8 [2021-11-13 01:42:34,715 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 13 treesize of output 9 [2021-11-13 01:42:34,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-13 01:42:34,840 INFO L354 Elim1Store]: treesize reduction 47, result has 16.1 percent of original size [2021-11-13 01:42:34,840 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 29 [2021-11-13 01:42:34,936 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-13 01:42:34,936 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 57 treesize of output 39 [2021-11-13 01:42:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:34,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:38,980 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0#1.offset| Int)) (<= (div (* (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|) |ULTIMATE.start_main_~#sum~0#1.offset| 0)) |c_ULTIMATE.start_main_~a~0#1.base|) (+ |c_ULTIMATE.start_main_~a~0#1.offset| 4)) (- 1)) (- 2)) 2)) is different from false [2021-11-13 01:42:39,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 68 [2021-11-13 01:42:39,070 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 12 treesize of output 4 [2021-11-13 01:42:39,125 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 12 treesize of output 4 [2021-11-13 01:42:39,166 INFO L354 Elim1Store]: treesize reduction 9, result has 35.7 percent of original size [2021-11-13 01:42:39,167 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 73 treesize of output 56 [2021-11-13 01:42:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2021-11-13 01:42:39,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592725154] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:42:39,248 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [672538086] [2021-11-13 01:42:39,251 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-13 01:42:39,251 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:42:39,252 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:42:39,252 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:42:39,252 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:42:39,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:39,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:42:39,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:42:39,287 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_27|]} [2021-11-13 01:42:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:42:39,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:39,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:39,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:42:39,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:39,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:39,349 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,365 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:42:39,371 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,371 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:42:39,382 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-11-13 01:42:39,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:42:39,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-13 01:42:39,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-13 01:42:39,396 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_24|], 28=[|v_#valid_28|]} [2021-11-13 01:42:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,452 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:42:39,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-13 01:42:39,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:39,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:39,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:39,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:39,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:39,470 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,478 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,525 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:42:39,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-13 01:42:39,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:39,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:39,533 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-13 01:42:39,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,550 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:161 [2021-11-13 01:42:39,564 INFO L180 QuantifierPusher]: treesize reduction 58, result has 78.7 percent of original size [2021-11-13 01:42:39,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:39,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:39,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-13 01:42:39,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:42:39,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-13 01:42:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:42:39,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:39,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:39,615 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:39,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:39,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:39,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-13 01:42:39,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,649 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:384, output treesize:187 [2021-11-13 01:42:39,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:39,763 INFO L180 QuantifierPusher]: treesize reduction 58, result has 89.1 percent of original size [2021-11-13 01:42:39,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:42:39,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:39,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-13 01:42:39,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:42:39,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:39,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:42:39,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-13 01:42:39,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:42:39,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 752 [2021-11-13 01:42:39,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:39,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 400 [2021-11-13 01:42:39,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 482 [2021-11-13 01:42:39,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 50 [2021-11-13 01:42:39,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:42:39,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:42:39,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:39,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:42:39,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:39,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:39,976 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:39,995 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:39,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:39,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:39,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:39,997 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:40,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:40,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:40,013 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,145 INFO L180 QuantifierPusher]: treesize reduction 131, result has 76.1 percent of original size [2021-11-13 01:42:40,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-13 01:42:40,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:40,157 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1111, output treesize:417 [2021-11-13 01:42:40,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,250 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-13 01:42:40,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:40,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:40,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:42:40,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:40,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:40,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:40,271 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:40,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:40,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:40,295 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 01:42:40,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:40,309 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-13 01:42:40,316 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-13 01:42:40,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:42:40,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:40,326 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-13 01:42:40,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:40,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:40,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:40,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,341 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-13 01:42:40,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-13 01:42:40,343 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,343 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-13 01:42:40,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:42:40,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:40,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:42:40,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:42:40,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-13 01:42:40,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:40,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:42:40,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-13 01:42:40,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-13 01:42:40,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 209 [2021-11-13 01:42:40,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-13 01:42:40,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-13 01:42:40,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:40,451 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 01:42:40,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:40,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:40,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:40,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:40,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:40,470 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:40,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:40,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:40,481 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,509 INFO L180 QuantifierPusher]: treesize reduction 115, result has 55.6 percent of original size [2021-11-13 01:42:40,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 01:42:40,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:40,513 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-13 01:42:40,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,575 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-13 01:42:40,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:40,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:40,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:40,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 01:42:40,586 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_7], 6=[|v_#memory_int_61|]} [2021-11-13 01:42:40,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:40,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:40,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:40,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,612 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:40,625 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-13 01:42:40,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:40,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:40,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:40,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:40,638 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-13 01:42:40,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:40,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:42:40,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:40,644 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-13 01:42:40,656 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:42:41,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:42:41,479 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:42:41,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2021-11-13 01:42:41,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627431502] [2021-11-13 01:42:41,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:42:41,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-13 01:42:41,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:41,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-13 01:42:41,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=480, Unknown=1, NotChecked=44, Total=600 [2021-11-13 01:42:41,482 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 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) [2021-11-13 01:42:42,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:42,676 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2021-11-13 01:42:42,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:42:42,680 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 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 [2021-11-13 01:42:42,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:42,680 INFO L225 Difference]: With dead ends: 15 [2021-11-13 01:42:42,681 INFO L226 Difference]: Without dead ends: 12 [2021-11-13 01:42:42,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=134, Invalid=739, Unknown=1, NotChecked=56, Total=930 [2021-11-13 01:42:42,682 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 104.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.62ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 127.63ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:42,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 24 Invalid, 135 Unknown, 0 Unchecked, 2.62ms Time], IncrementalHoareTripleChecker [17 Valid, 97 Invalid, 0 Unknown, 21 Unchecked, 127.63ms Time] [2021-11-13 01:42:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-13 01:42:42,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-13 01:42:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2021-11-13 01:42:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-11-13 01:42:42,691 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2021-11-13 01:42:42,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:42,691 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-13 01:42:42,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 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) [2021-11-13 01:42:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-13 01:42:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:42:42,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:42,693 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:42,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:42,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:42,915 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:42,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash 265315170, now seen corresponding path program 4 times [2021-11-13 01:42:42,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:42,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913226675] [2021-11-13 01:42:42,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:42,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:43,057 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:43,057 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:43,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913226675] [2021-11-13 01:42:43,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913226675] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:43,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994874205] [2021-11-13 01:42:43,058 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 01:42:43,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:43,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:43,063 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:42:43,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 01:42:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:43,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:42:43,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:42:43,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:43,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:42:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:42:43,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994874205] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:42:43,259 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [603343569] [2021-11-13 01:42:43,264 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-13 01:42:43,265 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:42:43,265 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:42:43,265 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:42:43,265 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:42:43,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:43,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:42:43,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-13 01:42:43,283 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 21=[|v_#valid_30|]} [2021-11-13 01:42:43,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-13 01:42:43,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:43,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:43,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-13 01:42:43,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:43,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:42:43,325 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-13 01:42:43,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,334 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-13 01:42:43,341 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-11-13 01:42:43,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:42:43,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-13 01:42:43,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-13 01:42:43,354 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_27|], 28=[|v_#valid_31|]} [2021-11-13 01:42:43,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,414 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-13 01:42:43,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-13 01:42:43,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:43,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:43,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:43,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:43,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:43,430 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,441 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,491 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-13 01:42:43,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-13 01:42:43,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:43,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:42:43,500 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-13 01:42:43,517 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,518 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:338, output treesize:161 [2021-11-13 01:42:43,529 INFO L180 QuantifierPusher]: treesize reduction 58, result has 78.7 percent of original size [2021-11-13 01:42:43,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:42:43,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 174 [2021-11-13 01:42:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:42:43,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:42:43,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:42:43,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-13 01:42:43,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,577 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:172, output treesize:168 [2021-11-13 01:42:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,667 INFO L180 QuantifierPusher]: treesize reduction 58, result has 88.8 percent of original size [2021-11-13 01:42:43,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 01:42:43,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:43,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-13 01:42:43,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-13 01:42:43,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:42:43,757 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-13 01:42:43,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-13 01:42:43,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2021-11-13 01:42:43,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 722 [2021-11-13 01:42:43,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:43,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 385 [2021-11-13 01:42:43,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 467 [2021-11-13 01:42:43,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:43,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:43,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:43,823 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-13 01:42:43,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:42:43,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:42:43,859 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:43,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:42:43,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:43,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:42:43,890 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:43,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:43,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:43,908 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:43,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:43,967 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:43,985 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.4 percent of original size [2021-11-13 01:42:43,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 407 [2021-11-13 01:42:43,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:43,993 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1081, output treesize:407 [2021-11-13 01:42:44,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,099 INFO L180 QuantifierPusher]: treesize reduction 106, result has 50.5 percent of original size [2021-11-13 01:42:44,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:44,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:44,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-13 01:42:44,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:44,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:44,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:44,121 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-13 01:42:44,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:44,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:42:44,142 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-13 01:42:44,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:44,156 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:168, output treesize:160 [2021-11-13 01:42:44,171 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-13 01:42:44,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:42:44,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:44,181 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-13 01:42:44,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:44,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:44,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:44,191 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,196 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-13 01:42:44,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-13 01:42:44,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,198 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-13 01:42:44,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:42:44,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:44,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:44,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:42:44,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:42:44,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-13 01:42:44,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:42:44,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:42:44,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 129 [2021-11-13 01:42:44,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 211 [2021-11-13 01:42:44,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 01:42:44,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:44,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:44,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:44,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:44,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:44,296 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:44,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-13 01:42:44,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:44,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:42:44,316 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,343 INFO L180 QuantifierPusher]: treesize reduction 115, result has 55.6 percent of original size [2021-11-13 01:42:44,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-13 01:42:44,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:44,346 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-13 01:42:44,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,396 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-13 01:42:44,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:42:44,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:42:44,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:42:44,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-13 01:42:44,408 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_9], 6=[|v_#memory_int_72|]} [2021-11-13 01:42:44,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-13 01:42:44,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:44,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-13 01:42:44,419 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:42:44,439 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-13 01:42:44,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:44,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-13 01:42:44,443 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:42:44,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:42:44,450 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-13 01:42:44,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:42:44,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:42:44,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:42:44,456 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-13 01:42:44,465 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:42:45,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:42:45,186 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:42:45,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2021-11-13 01:42:45,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617363897] [2021-11-13 01:42:45,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:42:45,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:42:45,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:42:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:42:45,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-11-13 01:42:45,188 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:42:45,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:42:45,266 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-11-13 01:42:45,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 01:42:45,266 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:42:45,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:42:45,267 INFO L225 Difference]: With dead ends: 20 [2021-11-13 01:42:45,267 INFO L226 Difference]: Without dead ends: 13 [2021-11-13 01:42:45,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2021-11-13 01:42:45,269 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.77ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.83ms IncrementalHoareTripleChecker+Time [2021-11-13 01:42:45,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 48 Unknown, 0 Unchecked, 0.77ms Time], IncrementalHoareTripleChecker [14 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 51.83ms Time] [2021-11-13 01:42:45,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-13 01:42:45,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-13 01:42:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 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) [2021-11-13 01:42:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2021-11-13 01:42:45,275 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2021-11-13 01:42:45,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:42:45,275 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2021-11-13 01:42:45,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:42:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-13 01:42:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 01:42:45,277 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:42:45,277 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1] [2021-11-13 01:42:45,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:42:45,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:45,491 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:42:45,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:42:45,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1286007525, now seen corresponding path program 5 times [2021-11-13 01:42:45,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:42:45,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137248849] [2021-11-13 01:42:45,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:42:45,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:42:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:42:45,637 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 01:42:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 01:42:45,748 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-13 01:42:45,749 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 01:42:45,751 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 01:42:45,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-11-13 01:42:45,757 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2021-11-13 01:42:45,761 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 01:42:45,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:42:45 BoogieIcfgContainer [2021-11-13 01:42:45,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 01:42:45,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 01:42:45,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 01:42:45,811 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 01:42:45,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:42:26" (3/4) ... [2021-11-13 01:42:45,813 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 01:42:45,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5f8ee54-b775-4045-ba53-9726de0762d2/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-13 01:42:45,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 01:42:45,889 INFO L158 Benchmark]: Toolchain (without parser) took 20708.12ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 48.4MB in the beginning and 98.1MB in the end (delta: -49.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,890 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:42:45,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.90ms. Allocated memory is still 90.2MB. Free memory was 48.2MB in the beginning and 60.0MB in the end (delta: -11.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.20ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 58.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,891 INFO L158 Benchmark]: Boogie Preprocessor took 65.13ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 57.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,891 INFO L158 Benchmark]: RCFGBuilder took 461.12ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 44.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,891 INFO L158 Benchmark]: TraceAbstraction took 19655.64ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 44.2MB in the beginning and 100.2MB in the end (delta: -56.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,891 INFO L158 Benchmark]: Witness Printer took 78.85ms. Allocated memory is still 161.5MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 01:42:45,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.90ms. Allocated memory is still 90.2MB. Free memory was 48.2MB in the beginning and 60.0MB in the end (delta: -11.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.20ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 58.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.13ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 57.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.12ms. Allocated memory is still 90.2MB. Free memory was 57.0MB in the beginning and 44.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 19655.64ms. Allocated memory was 90.2MB in the beginning and 161.5MB in the end (delta: 71.3MB). Free memory was 44.2MB in the beginning and 100.2MB in the end (delta: -56.0MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Witness Printer took 78.85ms. Allocated memory is still 161.5MB. Free memory was 100.2MB in the beginning and 98.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [a={-1:0}, i=0, N=3, sum={3:0}] [L31] COND TRUE i