./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ed568caba4b883b0886336a3869d78e2ca18840 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ed568caba4b883b0886336a3869d78e2ca18840 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:05:40,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:05:40,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:05:40,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:05:40,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:05:40,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:05:40,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:05:40,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:05:40,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:05:40,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:05:40,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:05:40,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:05:40,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:05:40,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:05:40,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:05:40,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:05:40,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:05:40,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:05:40,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:05:40,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:05:40,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:05:40,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:05:40,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:05:40,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:05:40,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:05:40,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:05:40,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:05:40,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:05:40,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:05:40,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:05:40,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:05:40,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:05:40,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:05:40,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:05:40,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:05:40,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:05:40,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:05:40,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:05:40,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:05:40,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:05:40,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:05:40,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:05:40,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:05:40,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:05:40,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:05:40,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:05:40,561 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:05:40,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:05:40,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:05:40,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:05:40,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:05:40,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:05:40,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:05:40,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:05:40,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:05:40,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:05:40,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:05:40,563 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:05:40,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:05:40,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:05:40,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:05:40,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:05:40,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:05:40,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:05:40,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:05:40,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:05:40,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:05:40,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:05:40,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:05:40,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:05:40,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:05:40,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-12-07 18:05:40,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:05:40,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:05:40,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:05:40,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:05:40,689 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:05:40,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/../../sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 18:05:40,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/d53ba1aa2/c2df048f0bf7457789cc7a9079041dc7/FLAG26b868459 [2019-12-07 18:05:41,224 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:05:41,224 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 18:05:41,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/d53ba1aa2/c2df048f0bf7457789cc7a9079041dc7/FLAG26b868459 [2019-12-07 18:05:41,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/d53ba1aa2/c2df048f0bf7457789cc7a9079041dc7 [2019-12-07 18:05:41,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:05:41,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:05:41,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:05:41,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:05:41,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:05:41,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce23c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41, skipping insertion in model container [2019-12-07 18:05:41,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:05:41,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:05:41,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:05:41,573 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:05:41,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:05:41,707 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:05:41,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41 WrapperNode [2019-12-07 18:05:41,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:05:41,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:05:41,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:05:41,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:05:41,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:05:41,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:05:41,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:05:41,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:05:41,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... [2019-12-07 18:05:41,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:05:41,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:05:41,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:05:41,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:05:41,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:05:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-07 18:05:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-07 18:05:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-07 18:05:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-07 18:05:41,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:05:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:05:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 18:05:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 18:05:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 18:05:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:05:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:05:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:05:41,812 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 18:05:42,071 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:05:42,071 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 18:05:42,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:05:42 BoogieIcfgContainer [2019-12-07 18:05:42,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:05:42,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:05:42,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:05:42,075 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:05:42,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:05:41" (1/3) ... [2019-12-07 18:05:42,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756fdc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:05:42, skipping insertion in model container [2019-12-07 18:05:42,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:41" (2/3) ... [2019-12-07 18:05:42,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756fdc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:05:42, skipping insertion in model container [2019-12-07 18:05:42,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:05:42" (3/3) ... [2019-12-07 18:05:42,078 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-12-07 18:05:42,084 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 18:05:42,084 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:05:42,089 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 18:05:42,089 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 18:05:42,112 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,112 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,112 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,112 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,113 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,114 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,116 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,119 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,120 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,121 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,122 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,123 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,124 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,125 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,126 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:42,143 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 18:05:42,155 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:05:42,155 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:05:42,155 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:05:42,155 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:05:42,155 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:05:42,155 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:05:42,155 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:05:42,155 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:05:42,165 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 140 transitions [2019-12-07 18:05:42,166 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-07 18:05:42,208 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-07 18:05:42,208 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:05:42,214 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 423 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-07 18:05:42,222 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 136 places, 140 transitions [2019-12-07 18:05:42,241 INFO L134 PetriNetUnfolder]: 10/140 cut-off events. [2019-12-07 18:05:42,241 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:05:42,243 INFO L76 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 140 events. 10/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 423 event pairs. 19/148 useless extension candidates. Maximal degree in co-relation 108. Up to 3 conditions per place. [2019-12-07 18:05:42,248 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5952 [2019-12-07 18:05:42,249 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 18:05:44,237 WARN L192 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2019-12-07 18:05:44,419 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-07 18:05:44,510 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6886 [2019-12-07 18:05:44,510 INFO L214 etLargeBlockEncoding]: Total number of compositions: 119 [2019-12-07 18:05:44,513 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 41 transitions [2019-12-07 18:05:44,532 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-07 18:05:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-07 18:05:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 18:05:44,538 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:44,538 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:05:44,538 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:44,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:44,542 INFO L82 PathProgramCache]: Analyzing trace with hash -286243724, now seen corresponding path program 1 times [2019-12-07 18:05:44,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:44,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178109728] [2019-12-07 18:05:44,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:44,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178109728] [2019-12-07 18:05:44,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:44,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:05:44,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573778538] [2019-12-07 18:05:44,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:05:44,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:05:44,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:05:44,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:44,691 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2019-12-07 18:05:44,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:44,746 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2019-12-07 18:05:44,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:44,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 18:05:44,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:44,760 INFO L225 Difference]: With dead ends: 602 [2019-12-07 18:05:44,761 INFO L226 Difference]: Without dead ends: 580 [2019-12-07 18:05:44,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:44,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2019-12-07 18:05:44,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2019-12-07 18:05:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-12-07 18:05:44,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2019-12-07 18:05:44,815 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2019-12-07 18:05:44,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:44,815 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2019-12-07 18:05:44,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:05:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2019-12-07 18:05:44,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 18:05:44,816 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:44,816 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:44,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:44,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:44,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1821742482, now seen corresponding path program 1 times [2019-12-07 18:05:44,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:44,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850867863] [2019-12-07 18:05:44,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:44,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850867863] [2019-12-07 18:05:44,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:44,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:05:44,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492559014] [2019-12-07 18:05:44,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:05:44,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:05:44,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:05:44,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:44,864 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2019-12-07 18:05:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:44,877 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2019-12-07 18:05:44,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:44,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 18:05:44,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:44,881 INFO L225 Difference]: With dead ends: 530 [2019-12-07 18:05:44,881 INFO L226 Difference]: Without dead ends: 508 [2019-12-07 18:05:44,882 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:44,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2019-12-07 18:05:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2019-12-07 18:05:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-12-07 18:05:44,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2019-12-07 18:05:44,899 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2019-12-07 18:05:44,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:44,900 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2019-12-07 18:05:44,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:05:44,900 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2019-12-07 18:05:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:05:44,901 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:44,901 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:44,901 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:44,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:44,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1708962860, now seen corresponding path program 1 times [2019-12-07 18:05:44,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:44,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48801383] [2019-12-07 18:05:44,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:44,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48801383] [2019-12-07 18:05:44,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:44,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 18:05:44,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143989374] [2019-12-07 18:05:44,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:05:44,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:05:44,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:05:44,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:44,935 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2019-12-07 18:05:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:44,944 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2019-12-07 18:05:44,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:44,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-07 18:05:44,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:44,947 INFO L225 Difference]: With dead ends: 504 [2019-12-07 18:05:44,947 INFO L226 Difference]: Without dead ends: 504 [2019-12-07 18:05:44,948 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:44,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2019-12-07 18:05:44,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2019-12-07 18:05:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-12-07 18:05:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2019-12-07 18:05:44,959 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2019-12-07 18:05:44,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:44,960 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2019-12-07 18:05:44,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:05:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2019-12-07 18:05:44,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 18:05:44,961 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:44,961 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:44,961 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:44,961 INFO L82 PathProgramCache]: Analyzing trace with hash -3357045, now seen corresponding path program 1 times [2019-12-07 18:05:44,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:44,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727410705] [2019-12-07 18:05:44,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:45,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727410705] [2019-12-07 18:05:45,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060853961] [2019-12-07 18:05:45,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:05:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:45,054 INFO L264 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:05:45,057 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:45,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:05:45,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-07 18:05:45,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493970720] [2019-12-07 18:05:45,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 18:05:45,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:05:45,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 18:05:45,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-07 18:05:45,083 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2019-12-07 18:05:45,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:45,149 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2019-12-07 18:05:45,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:05:45,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2019-12-07 18:05:45,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:45,154 INFO L225 Difference]: With dead ends: 940 [2019-12-07 18:05:45,155 INFO L226 Difference]: Without dead ends: 940 [2019-12-07 18:05:45,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:05:45,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2019-12-07 18:05:45,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2019-12-07 18:05:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2019-12-07 18:05:45,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2019-12-07 18:05:45,172 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2019-12-07 18:05:45,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:45,173 INFO L462 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2019-12-07 18:05:45,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 18:05:45,173 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2019-12-07 18:05:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-07 18:05:45,174 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:45,174 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:45,375 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 18:05:45,375 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:45,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:45,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1139287973, now seen corresponding path program 1 times [2019-12-07 18:05:45,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:45,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118780004] [2019-12-07 18:05:45,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:45,408 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118780004] [2019-12-07 18:05:45,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:45,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:05:45,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675895906] [2019-12-07 18:05:45,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:05:45,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:05:45,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:05:45,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:45,409 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 3 states. [2019-12-07 18:05:45,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:45,424 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2019-12-07 18:05:45,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:45,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-07 18:05:45,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:45,426 INFO L225 Difference]: With dead ends: 343 [2019-12-07 18:05:45,426 INFO L226 Difference]: Without dead ends: 339 [2019-12-07 18:05:45,426 INFO L630 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 [2019-12-07 18:05:45,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2019-12-07 18:05:45,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2019-12-07 18:05:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-12-07 18:05:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2019-12-07 18:05:45,432 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2019-12-07 18:05:45,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:45,433 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2019-12-07 18:05:45,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:05:45,433 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2019-12-07 18:05:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 18:05:45,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:45,434 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:45,434 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:45,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:45,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1937699080, now seen corresponding path program 1 times [2019-12-07 18:05:45,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:45,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183398970] [2019-12-07 18:05:45,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:45,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183398970] [2019-12-07 18:05:45,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:45,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 18:05:45,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6847991] [2019-12-07 18:05:45,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 18:05:45,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:05:45,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 18:05:45,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 18:05:45,474 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2019-12-07 18:05:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:45,520 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2019-12-07 18:05:45,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 18:05:45,521 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-07 18:05:45,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:45,523 INFO L225 Difference]: With dead ends: 473 [2019-12-07 18:05:45,523 INFO L226 Difference]: Without dead ends: 473 [2019-12-07 18:05:45,523 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 18:05:45,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-12-07 18:05:45,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2019-12-07 18:05:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-12-07 18:05:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2019-12-07 18:05:45,531 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2019-12-07 18:05:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:45,531 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2019-12-07 18:05:45,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 18:05:45,531 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2019-12-07 18:05:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 18:05:45,531 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:45,532 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:45,532 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:45,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash -902853282, now seen corresponding path program 1 times [2019-12-07 18:05:45,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:05:45,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421222745] [2019-12-07 18:05:45,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:05:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:45,606 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:350) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 18:05:45,608 INFO L168 Benchmark]: Toolchain (without parser) took 4359.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 936.0 MB in the beginning and 956.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 128.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:05:45,608 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:05:45,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 936.0 MB in the beginning and 1.0 GB in the end (delta: -110.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:05:45,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:05:45,609 INFO L168 Benchmark]: Boogie Preprocessor took 22.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:05:45,610 INFO L168 Benchmark]: RCFGBuilder took 303.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:05:45,610 INFO L168 Benchmark]: TraceAbstraction took 3533.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.0 GB in the beginning and 956.3 MB in the end (delta: 50.3 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2019-12-07 18:05:45,612 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 936.0 MB in the beginning and 1.0 GB in the end (delta: -110.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 303.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3533.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.1 MB). Free memory was 1.0 GB in the beginning and 956.3 MB in the end (delta: 50.3 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 136 ProgramPointsBefore, 39 ProgramPointsAfterwards, 140 TransitionsBefore, 41 TransitionsAfterwards, 5952 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 3274 VarBasedMoverChecksPositive, 65 VarBasedMoverChecksNegative, 34 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 6886 CheckedPairsTotal, 119 TotalNumberOfCompositions - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:05:47,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:05:47,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:05:47,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-12-07 18:05:47,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:05:47,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:05:47,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:05:47,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:05:47,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:05:47,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:05:47,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:05:47,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:05:47,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:05:47,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:05:47,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:05:47,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:05:47,107 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:05:47,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:05:47,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:05:47,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:05:47,109 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:05:47,109 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:05:47,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:05:47,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:05:47,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:05:47,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:05:47,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:05:47,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:05:47,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:05:47,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:05:47,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:05:47,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:05:47,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:05:47,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:05:47,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:05:47,112 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:05:47,112 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:05:47,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:05:47,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:05:47,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:05:47,112 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 1ed568caba4b883b0886336a3869d78e2ca18840 [2019-12-07 18:05:47,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:05:47,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:05:47,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:05:47,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:05:47,287 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:05:47,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/../../sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 18:05:47,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/5e79d138c/260c77ff8369408b9049010eb3f72d93/FLAG487a3086f [2019-12-07 18:05:47,802 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:05:47,803 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/sv-benchmarks/c/pthread/stack_longest-1.i [2019-12-07 18:05:47,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/5e79d138c/260c77ff8369408b9049010eb3f72d93/FLAG487a3086f [2019-12-07 18:05:48,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/data/5e79d138c/260c77ff8369408b9049010eb3f72d93 [2019-12-07 18:05:48,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:05:48,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:05:48,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:05:48,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:05:48,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:05:48,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656ee44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48, skipping insertion in model container [2019-12-07 18:05:48,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:05:48,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:05:48,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:05:48,484 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:05:48,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:05:48,649 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:05:48,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48 WrapperNode [2019-12-07 18:05:48,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:05:48,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:05:48,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:05:48,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:05:48,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:05:48,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:05:48,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:05:48,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:05:48,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... [2019-12-07 18:05:48,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:05:48,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:05:48,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:05:48,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:05:48,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:05:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:05:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2019-12-07 18:05:48,774 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2019-12-07 18:05:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-07 18:05:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:05:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:05:48,776 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 18:05:49,070 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:05:49,070 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 18:05:49,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:05:49 BoogieIcfgContainer [2019-12-07 18:05:49,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:05:49,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:05:49,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:05:49,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:05:49,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:05:48" (1/3) ... [2019-12-07 18:05:49,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254db423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:05:49, skipping insertion in model container [2019-12-07 18:05:49,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:05:48" (2/3) ... [2019-12-07 18:05:49,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254db423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:05:49, skipping insertion in model container [2019-12-07 18:05:49,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:05:49" (3/3) ... [2019-12-07 18:05:49,076 INFO L109 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2019-12-07 18:05:49,083 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 18:05:49,083 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:05:49,088 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-07 18:05:49,088 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 18:05:49,115 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,115 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,115 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,116 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,116 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,116 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,116 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,116 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,117 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,118 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,118 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,118 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,118 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,119 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,119 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,120 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,120 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,120 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,120 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,120 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,120 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,121 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,121 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,121 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,121 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,122 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,123 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,123 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,124 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,124 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,124 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,125 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,125 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,126 WARN L315 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,126 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,127 WARN L315 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,127 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,128 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,129 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,129 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,129 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,129 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,129 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,129 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,130 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,131 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,131 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,131 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,131 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,131 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,132 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,133 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,133 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,133 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,133 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,133 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,133 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,134 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,135 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,136 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,137 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,137 WARN L315 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 18:05:49,155 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-07 18:05:49,167 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:05:49,167 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:05:49,168 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:05:49,168 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:05:49,168 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:05:49,168 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:05:49,168 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:05:49,168 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:05:49,178 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 132 places, 136 transitions [2019-12-07 18:05:49,179 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-12-07 18:05:49,222 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-12-07 18:05:49,222 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:05:49,229 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-12-07 18:05:49,237 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 132 places, 136 transitions [2019-12-07 18:05:49,258 INFO L134 PetriNetUnfolder]: 10/136 cut-off events. [2019-12-07 18:05:49,258 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 18:05:49,261 INFO L76 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 136 events. 10/136 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs. 19/144 useless extension candidates. Maximal degree in co-relation 103. Up to 3 conditions per place. [2019-12-07 18:05:49,266 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5420 [2019-12-07 18:05:49,267 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 18:05:51,857 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-07 18:05:52,041 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-12-07 18:05:52,750 WARN L192 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-12-07 18:05:53,052 WARN L192 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-12-07 18:05:53,068 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7110 [2019-12-07 18:05:53,068 INFO L214 etLargeBlockEncoding]: Total number of compositions: 114 [2019-12-07 18:05:53,071 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 40 transitions [2019-12-07 18:05:53,097 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2019-12-07 18:05:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-12-07 18:05:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 18:05:53,104 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:53,104 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 18:05:53,105 INFO L410 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:53,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:53,108 INFO L82 PathProgramCache]: Analyzing trace with hash -729449954, now seen corresponding path program 1 times [2019-12-07 18:05:53,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:05:53,116 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912452984] [2019-12-07 18:05:53,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 18:05:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:53,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:05:53,182 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:53,195 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:05:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:53,201 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912452984] [2019-12-07 18:05:53,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:53,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 18:05:53,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522885058] [2019-12-07 18:05:53,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:05:53,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:05:53,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:05:53,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:05:53,217 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2019-12-07 18:05:53,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:53,288 INFO L93 Difference]: Finished difference Result 621 states and 1574 transitions. [2019-12-07 18:05:53,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 18:05:53,289 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-12-07 18:05:53,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:53,302 INFO L225 Difference]: With dead ends: 621 [2019-12-07 18:05:53,302 INFO L226 Difference]: Without dead ends: 599 [2019-12-07 18:05:53,303 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:05:53,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-12-07 18:05:53,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 467. [2019-12-07 18:05:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-12-07 18:05:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 1235 transitions. [2019-12-07 18:05:53,357 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 1235 transitions. Word has length 6 [2019-12-07 18:05:53,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:53,357 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 1235 transitions. [2019-12-07 18:05:53,357 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:05:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 1235 transitions. [2019-12-07 18:05:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 18:05:53,358 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:53,358 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:53,558 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:05:53,559 INFO L410 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:53,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1868417737, now seen corresponding path program 1 times [2019-12-07 18:05:53,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:05:53,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491322295] [2019-12-07 18:05:53,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 18:05:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:53,644 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:05:53,645 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:53,648 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:05:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:53,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491322295] [2019-12-07 18:05:53,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:53,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:05:53,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880979988] [2019-12-07 18:05:53,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:05:53,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:05:53,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:05:53,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:53,651 INFO L87 Difference]: Start difference. First operand 467 states and 1235 transitions. Second operand 3 states. [2019-12-07 18:05:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:53,666 INFO L93 Difference]: Finished difference Result 670 states and 1736 transitions. [2019-12-07 18:05:53,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:53,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-07 18:05:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:53,670 INFO L225 Difference]: With dead ends: 670 [2019-12-07 18:05:53,670 INFO L226 Difference]: Without dead ends: 633 [2019-12-07 18:05:53,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:53,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-12-07 18:05:53,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 538. [2019-12-07 18:05:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-12-07 18:05:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1439 transitions. [2019-12-07 18:05:53,688 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1439 transitions. Word has length 8 [2019-12-07 18:05:53,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:53,689 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 1439 transitions. [2019-12-07 18:05:53,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:05:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1439 transitions. [2019-12-07 18:05:53,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 18:05:53,689 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:53,689 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:53,890 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:05:53,891 INFO L410 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:53,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:53,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1217565814, now seen corresponding path program 1 times [2019-12-07 18:05:53,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:05:53,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031296671] [2019-12-07 18:05:53,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 18:05:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:54,006 INFO L264 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 18:05:54,006 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:54,011 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:05:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:54,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031296671] [2019-12-07 18:05:54,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:54,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 18:05:54,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494338590] [2019-12-07 18:05:54,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 18:05:54,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:05:54,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 18:05:54,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:05:54,019 INFO L87 Difference]: Start difference. First operand 538 states and 1439 transitions. Second operand 4 states. [2019-12-07 18:05:54,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:54,030 INFO L93 Difference]: Finished difference Result 586 states and 1566 transitions. [2019-12-07 18:05:54,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:54,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 18:05:54,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:54,033 INFO L225 Difference]: With dead ends: 586 [2019-12-07 18:05:54,033 INFO L226 Difference]: Without dead ends: 586 [2019-12-07 18:05:54,034 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 18:05:54,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-12-07 18:05:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2019-12-07 18:05:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-12-07 18:05:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 1566 transitions. [2019-12-07 18:05:54,046 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 1566 transitions. Word has length 10 [2019-12-07 18:05:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:54,046 INFO L462 AbstractCegarLoop]: Abstraction has 586 states and 1566 transitions. [2019-12-07 18:05:54,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 18:05:54,047 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1566 transitions. [2019-12-07 18:05:54,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 18:05:54,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:54,048 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:54,248 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:05:54,248 INFO L410 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:54,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:54,249 INFO L82 PathProgramCache]: Analyzing trace with hash 649921735, now seen corresponding path program 1 times [2019-12-07 18:05:54,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:05:54,249 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187487423] [2019-12-07 18:05:54,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 18:05:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:54,301 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 18:05:54,302 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:54,317 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:05:54,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:54,337 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187487423] [2019-12-07 18:05:54,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 18:05:54,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2019-12-07 18:05:54,338 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965348101] [2019-12-07 18:05:54,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 18:05:54,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:05:54,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 18:05:54,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-07 18:05:54,339 INFO L87 Difference]: Start difference. First operand 586 states and 1566 transitions. Second operand 8 states. [2019-12-07 18:05:54,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:54,552 INFO L93 Difference]: Finished difference Result 1620 states and 4198 transitions. [2019-12-07 18:05:54,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 18:05:54,553 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-12-07 18:05:54,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:54,565 INFO L225 Difference]: With dead ends: 1620 [2019-12-07 18:05:54,565 INFO L226 Difference]: Without dead ends: 1620 [2019-12-07 18:05:54,566 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:05:54,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2019-12-07 18:05:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1227. [2019-12-07 18:05:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2019-12-07 18:05:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 3343 transitions. [2019-12-07 18:05:54,614 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 3343 transitions. Word has length 14 [2019-12-07 18:05:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:54,614 INFO L462 AbstractCegarLoop]: Abstraction has 1227 states and 3343 transitions. [2019-12-07 18:05:54,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 18:05:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 3343 transitions. [2019-12-07 18:05:54,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-07 18:05:54,616 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:54,616 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:54,817 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 18:05:54,817 INFO L410 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:54,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:54,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1046552749, now seen corresponding path program 1 times [2019-12-07 18:05:54,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:05:54,818 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036806130] [2019-12-07 18:05:54,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 18:05:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:54,878 INFO L264 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 18:05:54,879 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:54,901 INFO L377 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 [2019-12-07 18:05:54,902 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:05:54,904 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:05:54,904 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:05:54,904 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-12-07 18:05:54,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:54,910 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:05:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:54,915 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036806130] [2019-12-07 18:05:54,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:54,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 18:05:54,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205680496] [2019-12-07 18:05:54,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 18:05:54,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:05:54,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:05:54,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:54,917 INFO L87 Difference]: Start difference. First operand 1227 states and 3343 transitions. Second operand 3 states. [2019-12-07 18:05:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:05:54,949 INFO L93 Difference]: Finished difference Result 573 states and 1303 transitions. [2019-12-07 18:05:54,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:05:54,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-12-07 18:05:54,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:05:54,953 INFO L225 Difference]: With dead ends: 573 [2019-12-07 18:05:54,953 INFO L226 Difference]: Without dead ends: 561 [2019-12-07 18:05:54,954 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:05:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2019-12-07 18:05:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 475. [2019-12-07 18:05:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2019-12-07 18:05:54,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 1066 transitions. [2019-12-07 18:05:54,970 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 1066 transitions. Word has length 20 [2019-12-07 18:05:54,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:05:54,970 INFO L462 AbstractCegarLoop]: Abstraction has 475 states and 1066 transitions. [2019-12-07 18:05:54,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 18:05:54,970 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1066 transitions. [2019-12-07 18:05:54,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-07 18:05:54,972 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:05:54,972 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:05:55,172 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 18:05:55,173 INFO L410 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:05:55,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:05:55,174 INFO L82 PathProgramCache]: Analyzing trace with hash 2072136255, now seen corresponding path program 1 times [2019-12-07 18:05:55,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:05:55,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [525875953] [2019-12-07 18:05:55,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 18:05:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:05:55,286 INFO L264 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2019-12-07 18:05:55,287 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:05:55,354 INFO L377 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 15 treesize of output 11 [2019-12-07 18:05:55,354 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:05:55,364 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:05:55,364 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:05:55,365 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2019-12-07 18:05:55,537 INFO L377 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 15 treesize of output 7 [2019-12-07 18:05:55,538 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 18:05:55,539 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 18:05:55,540 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-07 18:05:55,540 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:3 [2019-12-07 18:05:55,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:55,567 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:05:55,940 INFO L377 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 54 treesize of output 46 [2019-12-07 18:05:55,940 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2019-12-07 18:05:55,978 INFO L614 ElimStorePlain]: treesize reduction 17, result has 55.3 percent of original size [2019-12-07 18:05:55,978 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-12-07 18:05:55,978 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:21 [2019-12-07 18:05:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:05:56,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [525875953] [2019-12-07 18:05:56,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:05:56,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 12] imperfect sequences [] total 24 [2019-12-07 18:05:56,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701705145] [2019-12-07 18:05:56,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-12-07 18:05:56,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:05:56,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-12-07 18:05:56,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=536, Unknown=0, NotChecked=0, Total=600 [2019-12-07 18:05:56,165 INFO L87 Difference]: Start difference. First operand 475 states and 1066 transitions. Second operand 25 states. [2019-12-07 18:06:03,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:06:03,949 INFO L93 Difference]: Finished difference Result 1587 states and 3497 transitions. [2019-12-07 18:06:03,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2019-12-07 18:06:03,950 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 21 [2019-12-07 18:06:03,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:06:03,957 INFO L225 Difference]: With dead ends: 1587 [2019-12-07 18:06:03,957 INFO L226 Difference]: Without dead ends: 1587 [2019-12-07 18:06:03,958 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=728, Invalid=4528, Unknown=0, NotChecked=0, Total=5256 [2019-12-07 18:06:03,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2019-12-07 18:06:03,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 637. [2019-12-07 18:06:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2019-12-07 18:06:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1473 transitions. [2019-12-07 18:06:03,974 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1473 transitions. Word has length 21 [2019-12-07 18:06:03,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:06:03,974 INFO L462 AbstractCegarLoop]: Abstraction has 637 states and 1473 transitions. [2019-12-07 18:06:03,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-12-07 18:06:03,974 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1473 transitions. [2019-12-07 18:06:03,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 18:06:03,975 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:06:03,975 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:06:04,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2019-12-07 18:06:04,176 INFO L410 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:06:04,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:06:04,176 INFO L82 PathProgramCache]: Analyzing trace with hash -552149024, now seen corresponding path program 1 times [2019-12-07 18:06:04,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:06:04,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649948023] [2019-12-07 18:06:04,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2019-12-07 18:06:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:06:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:06:04,360 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:06:04,360 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:06:04,561 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2019-12-07 18:06:04,568 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [530] [530] ULTIMATE.startENTRY-->L1000-1: Formula: (let ((.cse5 (store |v_#valid_67| (_ bv0 32) (_ bv0 1)))) (let ((.cse7 (store .cse5 |v_#t~string35.base_4| (_ bv1 1)))) (let ((.cse1 (store .cse7 |v_#t~string39.base_5| (_ bv1 1)))) (let ((.cse6 (store .cse1 |v_~#arr~0.base_32| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_84| |v_~#arr~0.base_32| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse6 |v_~#m~0.base_85| (_ bv1 1)))) (let ((.cse3 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv1 1))) (.cse0 (select .cse2 |v_~#m~0.base_85|))) (and (= v_~top~0_125 (_ bv0 32)) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_23| |v_~#arr~0.base_32|) (= |v_#pthreadsMutex_187| (store |v_#pthreadsMutex_188| |v_~#m~0.base_85| (store (select |v_#pthreadsMutex_188| |v_~#m~0.base_85|) |v_~#m~0.offset_85| (_ bv0 1)))) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 |v_~#m~0.offset_85|)) (= (_ bv0 32) |v_#NULL.offset_5|) (= |v_#NULL.base_5| (_ bv0 32)) (= |v_ULTIMATE.start_main_~#id2~0.offset_23| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_~#arr~0.base_32|)) (bvult |v_#StackHeapBarrier_23| |v_#t~string39.base_5|) (= (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24|) |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32))) |v_#memory_int_83|) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv4 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_23|) (= (store .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv1 1)) |v_#valid_65|) (bvult |v_#StackHeapBarrier_23| |v_~#m~0.base_85|) (= |v_~#arr~0.offset_28| (_ bv0 32)) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id2~0.base_26|) (= (_ bv0 8) v_~flag~0_68) (= (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24|) (_ bv0 1)) (= |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32)) (= |v_#length_43| (store (store (store (store (store (store |v_#length_45| |v_#t~string35.base_4| (_ bv16 32)) |v_#t~string39.base_5| (_ bv17 32)) |v_~#arr~0.base_32| (_ bv3200 32)) |v_~#m~0.base_85| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv4 32))) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id1~0.base_24|) (= (_ bv0 32) |v_~#m~0.offset_85|) (= (select .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26|) (_ bv0 1)) (= (select .cse5 |v_#t~string35.base_4|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_4|) (= (select .cse6 |v_~#m~0.base_85|) (_ bv0 1)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv12 32)))) (= |v_#t~string39.offset_5| (_ bv0 32)) (= (select .cse7 |v_#t~string39.base_5|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_23| |v_#t~string35.base_4|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_188|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, #valid=|v_#valid_67|, #memory_int=|v_#memory_int_84|, #length=|v_#length_45|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_24|, #t~string35.offset=|v_#t~string35.offset_4|, ~flag~0=v_~flag~0_68, #t~string39.base=|v_#t~string39.base_5|, #NULL.offset=|v_#NULL.offset_5|, ~top~0=v_~top~0_125, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_13|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_26|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_23|, #t~string39.offset=|v_#t~string39.offset_5|, #length=|v_#length_43|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_13|, ~#arr~0.base=|v_~#arr~0.base_32|, #pthreadsMutex=|v_#pthreadsMutex_187|, ~#arr~0.offset=|v_~#arr~0.offset_28|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_13|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_18|, #t~string35.base=|v_#t~string35.base_4|, #NULL.base=|v_#NULL.base_5|, ~#m~0.base=|v_~#m~0.base_85|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, ~#m~0.offset=|v_~#m~0.offset_85|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_21|, currentRoundingMode=v_currentRoundingMode_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-12-07 18:06:04,570 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [421] [421] L1000-2-->L1001-1: Formula: (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7|) |v_ULTIMATE.start_main_~#id2~0.offset_7| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_18|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-12-07 18:06:04,570 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] t1ENTRY-->L969-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_13) (= v_t1Thread1of1ForFork0_~arg.base_3 |v_t1Thread1of1ForFork0_#in~arg.base_5|) (= v_t1Thread1of1ForFork0_~arg.offset_3 |v_t1Thread1of1ForFork0_#in~arg.offset_5|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_13, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_8, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_3, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_3, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-07 18:06:04,571 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L969-6-->L974-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_119| |v_~#m~0.base_58|))) (and (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_11 (_ bv800 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_~#arr~0.offset_11| |v_t1Thread1of1ForFork0_push_#in~stack.offset_12|) (bvslt v_t1Thread1of1ForFork0_~i~0_43 (_ bv800 32)) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_12| |v_~#arr~0.base_15|) (= |v_t1Thread1of1ForFork0_#t~nondet44_10| v_t1Thread1of1ForFork0_~tmp~0_11) (= (store |v_#pthreadsMutex_119| |v_~#m~0.base_58| (store .cse0 |v_~#m~0.offset_58| (_ bv1 1))) |v_#pthreadsMutex_118|) (= v_t1Thread1of1ForFork0_~tmp~0_11 |v_t1Thread1of1ForFork0_push_#in~x_13|) (= (_ bv0 1) (select .cse0 |v_~#m~0.offset_58|)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_11|, #pthreadsMutex=|v_#pthreadsMutex_119|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, ~#m~0.offset=|v_~#m~0.offset_58|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_10|} OutVars{~#arr~0.offset=|v_~#arr~0.offset_11|, t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_13|, #pthreadsMutex=|v_#pthreadsMutex_118|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_25|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_12|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_11, ~#m~0.offset=|v_~#m~0.offset_58|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_12|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_22|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_9|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet43, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-12-07 18:06:04,572 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L984-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_21) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_21} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 18:06:04,573 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [508] [508] L974-2-->L931: Formula: (and (not (= v_~top~0_75 (_ bv800 32))) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_8|) (= |v_t1Thread1of1ForFork0_push_#in~x_9| v_t1Thread1of1ForFork0_push_~x_22) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_8| v_t1Thread1of1ForFork0_push_~stack.base_20)) InVars {t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_22, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_6|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_11|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_31|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 18:06:04,573 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [453] [453] L931-->L946-1: Formula: (and (= v_~top~0_30 |v_t1Thread1of1ForFork0_get_top_#res_7|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_6| |v_t1Thread1of1ForFork0_get_top_#res_7|)) InVars {~top~0=v_~top~0_30} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_7|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_6|, ~top~0=v_~top~0_30} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 18:06:04,573 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L946-1-->L923: Formula: (= |v_#memory_int_41| (store |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13 (store (select |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_18| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_13) v_t1Thread1of1ForFork0_push_~x_15))) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, #memory_int=|v_#memory_int_42|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_18|} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_36|, #memory_int=|v_#memory_int_41|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_17|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, #memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 18:06:04,575 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L923-1-->L974-3: Formula: (and (= v_~top~0_35 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_15| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|) (= |v_t1Thread1of1ForFork0_#t~ret45_10| |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_15|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_10|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_14|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_35} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-12-07 18:06:04,575 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [517] [517] L974-3-->L977: Formula: (and (not (= |t1Thread1of1ForFork0_#t~ret45_In1398704031| (_ bv4294967295 32))) (= (_ bv1 8) ~flag~0_Out1398704031)) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In1398704031|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out1398704031|, ~flag~0=~flag~0_Out1398704031} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-12-07 18:06:04,576 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L977-->L969-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_54 (_ bv4294967295 32)) v_t1Thread1of1ForFork0_~i~0_55) (= (store |v_#pthreadsMutex_156| |v_~#m~0.base_73| (store (select |v_#pthreadsMutex_156| |v_~#m~0.base_73|) |v_~#m~0.offset_73| (_ bv0 1))) |v_#pthreadsMutex_155|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_156|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_55, ~#m~0.offset=|v_~#m~0.offset_73|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_155|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_23|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_54, ~#m~0.offset=|v_~#m~0.offset_73|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-12-07 18:06:04,576 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 18:06:04,576 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] L986-1-->L953-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_54)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_13| |v_~#arr~0.base_19|) (= |v_t2Thread1of1ForFork1_get_top_#res_46| |v_t2Thread1of1ForFork1_pop_#t~ret37_35|) (= v_t2Thread1of1ForFork1_pop_~stack.base_27 |v_t2Thread1of1ForFork1_pop_#in~stack.base_13|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_35|)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| |v_~#arr~0.offset_15|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| v_t2Thread1of1ForFork1_pop_~stack.offset_27) (= v_~top~0_110 |v_t2Thread1of1ForFork1_get_top_#res_46|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_15|, ~flag~0=v_~flag~0_54, ~top~0=v_~top~0_110, ~#arr~0.base=|v_~#arr~0.base_19|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_45|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_27, ~#arr~0.offset=|v_~#arr~0.offset_15|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_24|, ~flag~0=v_~flag~0_54, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_13|, ~top~0=v_~top~0_110, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_35|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_46|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_29|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_27|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_13|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_27, ~#arr~0.base=|v_~#arr~0.base_19|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 18:06:04,577 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L953-3-->L927-1: Formula: (= v_~top~0_55 |v_t2Thread1of1ForFork1_dec_top_#t~post32_27|) InVars {~top~0=v_~top~0_55} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_27|, ~top~0=v_~top~0_55, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 18:06:04,577 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L927-1-->L925: Formula: (= v_~top~0_22 (bvadd |v_t2Thread1of1ForFork1_dec_top_#t~post32_12| (_ bv4294967295 32))) InVars {t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_12|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_11|, ~top~0=v_~top~0_22} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, ~top~0] because there is no mapped edge [2019-12-07 18:06:04,577 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [415] [415] L925-->L931-3: Formula: (= v_~top~0_11 |v_t2Thread1of1ForFork1_get_top_#res_7|) InVars {~top~0=v_~top~0_11} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_7|, ~top~0=v_~top~0_11} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res] because there is no mapped edge [2019-12-07 18:06:04,577 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] L931-3-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#res_13| (select (select |v_#memory_int_67| v_t2Thread1of1ForFork1_pop_~stack.base_13) (bvadd (bvmul |v_t2Thread1of1ForFork1_get_top_#res_35| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_13))) (= |v_t2Thread1of1ForFork1_#t~ret48_31| |v_t2Thread1of1ForFork1_pop_#res_13|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_31|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_13|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_18|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_16|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-12-07 18:06:04,578 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [527] [527] L989-3-->L984-6: Formula: (and (not (= (_ bv4294967294 32) |t2Thread1of1ForFork1_#t~ret48_In1752146578|)) (= |#pthreadsMutex_Out1752146578| (store |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578| (store (select |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578|) |~#m~0.offset_In1752146578| (_ bv0 1)))) (= t2Thread1of1ForFork1_~i~1_In1752146578 (bvadd t2Thread1of1ForFork1_~i~1_Out1752146578 (_ bv4294967295 32)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_In1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1752146578} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_Out1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_#t~post46=|t2Thread1of1ForFork1_#t~post46_Out1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1752146578} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 18:06:04,578 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 18:06:04,579 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [529] [529] L986-1-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| |v_~#arr~0.offset_27|) (= v_t2Thread1of1ForFork1_pop_~stack.base_37 |v_t2Thread1of1ForFork1_pop_#in~stack.base_22|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_22| |v_~#arr~0.base_31|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_get_top_#res_55| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| v_t2Thread1of1ForFork1_pop_~stack.offset_37) (= v_~top~0_124 |v_t2Thread1of1ForFork1_get_top_#res_55|) (not (= (_ bv0 8) v_~flag~0_67)) (= |v_t2Thread1of1ForFork1_#t~ret48_46| |v_t2Thread1of1ForFork1_pop_#res_33|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_27|, ~flag~0=v_~flag~0_67, ~top~0=v_~top~0_124, ~#arr~0.base=|v_~#arr~0.base_31|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_58|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_37, ~#arr~0.offset=|v_~#arr~0.offset_27|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_46|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_67, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_22|, ~top~0=v_~top~0_124, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_45|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_55|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_36|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_34|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_23|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_22|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_37, ~#arr~0.base=|v_~#arr~0.base_31|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 18:06:04,579 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [488] [488] L989-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_18| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_18|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_17|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-12-07 18:06:04,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:06:04 BasicIcfg [2019-12-07 18:06:04,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:06:04,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:06:04,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:06:04,611 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:06:04,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:05:49" (3/4) ... [2019-12-07 18:06:04,614 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:06:04,615 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [530] [530] ULTIMATE.startENTRY-->L1000-1: Formula: (let ((.cse5 (store |v_#valid_67| (_ bv0 32) (_ bv0 1)))) (let ((.cse7 (store .cse5 |v_#t~string35.base_4| (_ bv1 1)))) (let ((.cse1 (store .cse7 |v_#t~string39.base_5| (_ bv1 1)))) (let ((.cse6 (store .cse1 |v_~#arr~0.base_32| (_ bv1 1)))) (let ((.cse2 (store |v_#memory_int_84| |v_~#arr~0.base_32| ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)))) (.cse4 (store .cse6 |v_~#m~0.base_85| (_ bv1 1)))) (let ((.cse3 (store .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv1 1))) (.cse0 (select .cse2 |v_~#m~0.base_85|))) (and (= v_~top~0_125 (_ bv0 32)) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_23| |v_~#arr~0.base_32|) (= |v_#pthreadsMutex_187| (store |v_#pthreadsMutex_188| |v_~#m~0.base_85| (store (select |v_#pthreadsMutex_188| |v_~#m~0.base_85|) |v_~#m~0.offset_85| (_ bv0 1)))) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv16 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 |v_~#m~0.offset_85|)) (= (_ bv0 32) |v_#NULL.offset_5|) (= |v_#NULL.base_5| (_ bv0 32)) (= |v_ULTIMATE.start_main_~#id2~0.offset_23| (_ bv0 32)) (= (_ bv0 1) (select .cse1 |v_~#arr~0.base_32|)) (bvult |v_#StackHeapBarrier_23| |v_#t~string39.base_5|) (= (store .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24| (store (select .cse2 |v_ULTIMATE.start_main_~#id1~0.base_24|) |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32))) |v_#memory_int_83|) (= (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv8 32))) (_ bv0 32)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv4 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_23|) (= (store .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv1 1)) |v_#valid_65|) (bvult |v_#StackHeapBarrier_23| |v_~#m~0.base_85|) (= |v_~#arr~0.offset_28| (_ bv0 32)) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id2~0.base_26|) (= (_ bv0 8) v_~flag~0_68) (= (select .cse4 |v_ULTIMATE.start_main_~#id1~0.base_24|) (_ bv0 1)) (= |v_ULTIMATE.start_main_~#id1~0.offset_21| (_ bv0 32)) (= |v_#length_43| (store (store (store (store (store (store |v_#length_45| |v_#t~string35.base_4| (_ bv16 32)) |v_#t~string39.base_5| (_ bv17 32)) |v_~#arr~0.base_32| (_ bv3200 32)) |v_~#m~0.base_85| (_ bv24 32)) |v_ULTIMATE.start_main_~#id1~0.base_24| (_ bv4 32)) |v_ULTIMATE.start_main_~#id2~0.base_26| (_ bv4 32))) (bvult |v_#StackHeapBarrier_23| |v_ULTIMATE.start_main_~#id1~0.base_24|) (= (_ bv0 32) |v_~#m~0.offset_85|) (= (select .cse3 |v_ULTIMATE.start_main_~#id2~0.base_26|) (_ bv0 1)) (= (select .cse5 |v_#t~string35.base_4|) (_ bv0 1)) (= (_ bv0 32) |v_#t~string35.offset_4|) (= (select .cse6 |v_~#m~0.base_85|) (_ bv0 1)) (= (_ bv0 32) (select .cse0 (bvadd |v_~#m~0.offset_85| (_ bv12 32)))) (= |v_#t~string39.offset_5| (_ bv0 32)) (= (select .cse7 |v_#t~string39.base_5|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_23| |v_#t~string35.base_4|)))))))) InVars {#pthreadsMutex=|v_#pthreadsMutex_188|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, #valid=|v_#valid_67|, #memory_int=|v_#memory_int_84|, #length=|v_#length_45|} OutVars{ULTIMATE.start_main_~#id1~0.base=|v_ULTIMATE.start_main_~#id1~0.base_24|, #t~string35.offset=|v_#t~string35.offset_4|, ~flag~0=v_~flag~0_68, #t~string39.base=|v_#t~string39.base_5|, #NULL.offset=|v_#NULL.offset_5|, ~top~0=v_~top~0_125, ULTIMATE.start_main_#t~nondet50=|v_ULTIMATE.start_main_#t~nondet50_13|, ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_26|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_23|, #t~string39.offset=|v_#t~string39.offset_5|, #length=|v_#length_43|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_13|, ~#arr~0.base=|v_~#arr~0.base_32|, #pthreadsMutex=|v_#pthreadsMutex_187|, ~#arr~0.offset=|v_~#arr~0.offset_28|, ULTIMATE.start_main_#t~mem52=|v_ULTIMATE.start_main_#t~mem52_13|, ULTIMATE.start_main_#t~mem51=|v_ULTIMATE.start_main_#t~mem51_18|, #t~string35.base=|v_#t~string35.base_4|, #NULL.base=|v_#NULL.base_5|, ~#m~0.base=|v_~#m~0.base_85|, #StackHeapBarrier=|v_#StackHeapBarrier_23|, ~#m~0.offset=|v_~#m~0.offset_85|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_14|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#id1~0.offset=|v_ULTIMATE.start_main_~#id1~0.offset_21|, currentRoundingMode=v_currentRoundingMode_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~#id1~0.base, #t~string35.offset, ~flag~0, #t~string39.base, #NULL.offset, ~top~0, ULTIMATE.start_main_#t~nondet50, ULTIMATE.start_main_~#id2~0.base, ULTIMATE.start_main_~#id2~0.offset, #t~string39.offset, #length, ULTIMATE.start_main_#t~nondet49, ~#arr~0.base, #pthreadsMutex, ~#arr~0.offset, ULTIMATE.start_main_#t~mem52, ULTIMATE.start_main_#t~mem51, #t~string35.base, #NULL.base, ~#m~0.base, ~#m~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_~#id1~0.offset, currentRoundingMode] because there is no mapped edge [2019-12-07 18:06:04,615 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [421] [421] L1000-2-->L1001-1: Formula: (= |v_#memory_int_17| (store |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7| (store (select |v_#memory_int_18| |v_ULTIMATE.start_main_~#id2~0.base_7|) |v_ULTIMATE.start_main_~#id2~0.offset_7| (_ bv1 32)))) InVars {ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_18|} OutVars{ULTIMATE.start_main_~#id2~0.base=|v_ULTIMATE.start_main_~#id2~0.base_7|, ULTIMATE.start_main_~#id2~0.offset=|v_ULTIMATE.start_main_~#id2~0.offset_7|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~nondet49=|v_ULTIMATE.start_main_#t~nondet49_3|} AuxVars[] AssignedVars[#memory_int, ULTIMATE.start_main_#t~nondet49] because there is no mapped edge [2019-12-07 18:06:04,616 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [470] [470] t1ENTRY-->L969-6: Formula: (and (= (_ bv0 32) v_t1Thread1of1ForFork0_~i~0_13) (= v_t1Thread1of1ForFork0_~arg.base_3 |v_t1Thread1of1ForFork0_#in~arg.base_5|) (= v_t1Thread1of1ForFork0_~arg.offset_3 |v_t1Thread1of1ForFork0_#in~arg.offset_5|)) InVars {t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} OutVars{t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_13, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_8, t1Thread1of1ForFork0_~arg.base=v_t1Thread1of1ForFork0_~arg.base_3, t1Thread1of1ForFork0_#in~arg.base=|v_t1Thread1of1ForFork0_#in~arg.base_5|, t1Thread1of1ForFork0_~arg.offset=v_t1Thread1of1ForFork0_~arg.offset_3, t1Thread1of1ForFork0_#in~arg.offset=|v_t1Thread1of1ForFork0_#in~arg.offset_5|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_~i~0, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_~arg.base, t1Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-07 18:06:04,616 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] L969-6-->L974-2: Formula: (let ((.cse0 (select |v_#pthreadsMutex_119| |v_~#m~0.base_58|))) (and (not (= (ite (bvult v_t1Thread1of1ForFork0_~tmp~0_11 (_ bv800 32)) (_ bv1 32) (_ bv0 32)) (_ bv0 32))) (= |v_~#arr~0.offset_11| |v_t1Thread1of1ForFork0_push_#in~stack.offset_12|) (bvslt v_t1Thread1of1ForFork0_~i~0_43 (_ bv800 32)) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_12| |v_~#arr~0.base_15|) (= |v_t1Thread1of1ForFork0_#t~nondet44_10| v_t1Thread1of1ForFork0_~tmp~0_11) (= (store |v_#pthreadsMutex_119| |v_~#m~0.base_58| (store .cse0 |v_~#m~0.offset_58| (_ bv1 1))) |v_#pthreadsMutex_118|) (= v_t1Thread1of1ForFork0_~tmp~0_11 |v_t1Thread1of1ForFork0_push_#in~x_13|) (= (_ bv0 1) (select .cse0 |v_~#m~0.offset_58|)))) InVars {~#arr~0.offset=|v_~#arr~0.offset_11|, #pthreadsMutex=|v_#pthreadsMutex_119|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, ~#m~0.offset=|v_~#m~0.offset_58|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_10|} OutVars{~#arr~0.offset=|v_~#arr~0.offset_11|, t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_13|, #pthreadsMutex=|v_#pthreadsMutex_118|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_43, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_25|, ~#m~0.base=|v_~#m~0.base_58|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_12|, t1Thread1of1ForFork0_~tmp~0=v_t1Thread1of1ForFork0_~tmp~0_11, ~#m~0.offset=|v_~#m~0.offset_58|, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_12|, ~#arr~0.base=|v_~#arr~0.base_15|, t1Thread1of1ForFork0_#t~nondet43=|v_t1Thread1of1ForFork0_#t~nondet43_22|, t1Thread1of1ForFork0_#t~nondet44=|v_t1Thread1of1ForFork0_#t~nondet44_9|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, #pthreadsMutex, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_~tmp~0, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset, t1Thread1of1ForFork0_#t~nondet43, t1Thread1of1ForFork0_#t~nondet44] because there is no mapped edge [2019-12-07 18:06:04,617 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [501] [501] t2ENTRY-->L984-6: Formula: (and (= (_ bv0 32) v_t2Thread1of1ForFork1_~i~1_21) (= v_t2Thread1of1ForFork1_~arg.base_2 |v_t2Thread1of1ForFork1_#in~arg.base_4|) (= v_t2Thread1of1ForFork1_~arg.offset_2 |v_t2Thread1of1ForFork1_#in~arg.offset_4|)) InVars {t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|} OutVars{t2Thread1of1ForFork1_#in~arg.base=|v_t2Thread1of1ForFork1_#in~arg.base_4|, t2Thread1of1ForFork1_~arg.base=v_t2Thread1of1ForFork1_~arg.base_2, t2Thread1of1ForFork1_~arg.offset=v_t2Thread1of1ForFork1_~arg.offset_2, t2Thread1of1ForFork1_#in~arg.offset=|v_t2Thread1of1ForFork1_#in~arg.offset_4|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_21} AuxVars[] AssignedVars[t2Thread1of1ForFork1_~arg.base, t2Thread1of1ForFork1_~arg.offset, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 18:06:04,617 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [508] [508] L974-2-->L931: Formula: (and (not (= v_~top~0_75 (_ bv800 32))) (= v_t1Thread1of1ForFork0_push_~stack.offset_20 |v_t1Thread1of1ForFork0_push_#in~stack.offset_8|) (= |v_t1Thread1of1ForFork0_push_#in~x_9| v_t1Thread1of1ForFork0_push_~x_22) (= |v_t1Thread1of1ForFork0_push_#in~stack.base_8| v_t1Thread1of1ForFork0_push_~stack.base_20)) InVars {t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} OutVars{t1Thread1of1ForFork0_push_#in~x=|v_t1Thread1of1ForFork0_push_#in~x_9|, t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_20, t1Thread1of1ForFork0_push_#in~stack.base=|v_t1Thread1of1ForFork0_push_#in~stack.base_8|, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_22, t1Thread1of1ForFork0_push_#t~nondet34=|v_t1Thread1of1ForFork0_push_#t~nondet34_6|, t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_11|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_20, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_31|, ~top~0=v_~top~0_75, t1Thread1of1ForFork0_push_#in~stack.offset=|v_t1Thread1of1ForFork0_push_#in~stack.offset_8|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_~stack.base, t1Thread1of1ForFork0_push_~x, t1Thread1of1ForFork0_push_#t~nondet34, t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_~stack.offset, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 18:06:04,617 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [453] [453] L931-->L946-1: Formula: (and (= v_~top~0_30 |v_t1Thread1of1ForFork0_get_top_#res_7|) (= |v_t1Thread1of1ForFork0_push_#t~ret36_6| |v_t1Thread1of1ForFork0_get_top_#res_7|)) InVars {~top~0=v_~top~0_30} OutVars{t1Thread1of1ForFork0_get_top_#res=|v_t1Thread1of1ForFork0_get_top_#res_7|, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_6|, ~top~0=v_~top~0_30} AuxVars[] AssignedVars[t1Thread1of1ForFork0_get_top_#res, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 18:06:04,617 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L946-1-->L923: Formula: (= |v_#memory_int_41| (store |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13 (store (select |v_#memory_int_42| v_t1Thread1of1ForFork0_push_~stack.base_13) (bvadd (bvmul |v_t1Thread1of1ForFork0_push_#t~ret36_18| (_ bv4 32)) v_t1Thread1of1ForFork0_push_~stack.offset_13) v_t1Thread1of1ForFork0_push_~x_15))) InVars {t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, #memory_int=|v_#memory_int_42|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_18|} OutVars{t1Thread1of1ForFork0_push_~stack.base=v_t1Thread1of1ForFork0_push_~stack.base_13, t1Thread1of1ForFork0_push_~x=v_t1Thread1of1ForFork0_push_~x_15, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_36|, #memory_int=|v_#memory_int_41|, t1Thread1of1ForFork0_push_~stack.offset=v_t1Thread1of1ForFork0_push_~stack.offset_13, t1Thread1of1ForFork0_push_#t~ret36=|v_t1Thread1of1ForFork0_push_#t~ret36_17|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_inc_top_#t~post31, #memory_int, t1Thread1of1ForFork0_push_#t~ret36] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [471] [471] L923-1-->L974-3: Formula: (and (= v_~top~0_35 (bvadd |v_t1Thread1of1ForFork0_inc_top_#t~post31_15| (_ bv1 32))) (= (_ bv0 32) |v_t1Thread1of1ForFork0_push_#res_7|) (= |v_t1Thread1of1ForFork0_#t~ret45_10| |v_t1Thread1of1ForFork0_push_#res_7|)) InVars {t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_15|} OutVars{t1Thread1of1ForFork0_#t~ret45=|v_t1Thread1of1ForFork0_#t~ret45_10|, t1Thread1of1ForFork0_inc_top_#t~post31=|v_t1Thread1of1ForFork0_inc_top_#t~post31_14|, t1Thread1of1ForFork0_push_#res=|v_t1Thread1of1ForFork0_push_#res_7|, ~top~0=v_~top~0_35} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, t1Thread1of1ForFork0_inc_top_#t~post31, t1Thread1of1ForFork0_push_#res, ~top~0] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [517] [517] L974-3-->L977: Formula: (and (not (= |t1Thread1of1ForFork0_#t~ret45_In1398704031| (_ bv4294967295 32))) (= (_ bv1 8) ~flag~0_Out1398704031)) InVars {t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_In1398704031|} OutVars{t1Thread1of1ForFork0_#t~ret45=|t1Thread1of1ForFork0_#t~ret45_Out1398704031|, ~flag~0=~flag~0_Out1398704031} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret45, ~flag~0] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] L977-->L969-6: Formula: (and (= (bvadd v_t1Thread1of1ForFork0_~i~0_54 (_ bv4294967295 32)) v_t1Thread1of1ForFork0_~i~0_55) (= (store |v_#pthreadsMutex_156| |v_~#m~0.base_73| (store (select |v_#pthreadsMutex_156| |v_~#m~0.base_73|) |v_~#m~0.offset_73| (_ bv0 1))) |v_#pthreadsMutex_155|)) InVars {#pthreadsMutex=|v_#pthreadsMutex_156|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_55, ~#m~0.offset=|v_~#m~0.offset_73|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_155|, ~#m~0.base=|v_~#m~0.base_73|, t1Thread1of1ForFork0_#t~post42=|v_t1Thread1of1ForFork0_#t~post42_23|, t1Thread1of1ForFork0_~i~0=v_t1Thread1of1ForFork0_~i~0_54, ~#m~0.offset=|v_~#m~0.offset_73|} AuxVars[] AssignedVars[#pthreadsMutex, t1Thread1of1ForFork0_#t~post42, t1Thread1of1ForFork0_~i~0] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [526] [526] L986-1-->L953-3: Formula: (and (not (= (_ bv0 8) v_~flag~0_54)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_13| |v_~#arr~0.base_19|) (= |v_t2Thread1of1ForFork1_get_top_#res_46| |v_t2Thread1of1ForFork1_pop_#t~ret37_35|) (= v_t2Thread1of1ForFork1_pop_~stack.base_27 |v_t2Thread1of1ForFork1_pop_#in~stack.base_13|) (not (= (_ bv0 32) |v_t2Thread1of1ForFork1_pop_#t~ret37_35|)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| |v_~#arr~0.offset_15|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_13| v_t2Thread1of1ForFork1_pop_~stack.offset_27) (= v_~top~0_110 |v_t2Thread1of1ForFork1_get_top_#res_46|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_15|, ~flag~0=v_~flag~0_54, ~top~0=v_~top~0_110, ~#arr~0.base=|v_~#arr~0.base_19|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_45|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_27, ~#arr~0.offset=|v_~#arr~0.offset_15|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_24|, ~flag~0=v_~flag~0_54, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_13|, ~top~0=v_~top~0_110, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_35|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_46|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_29|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_27|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_14|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_13|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_27, ~#arr~0.base=|v_~#arr~0.base_19|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [482] [482] L953-3-->L927-1: Formula: (= v_~top~0_55 |v_t2Thread1of1ForFork1_dec_top_#t~post32_27|) InVars {~top~0=v_~top~0_55} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_27|, ~top~0=v_~top~0_55, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_15|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 18:06:04,618 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [443] [443] L927-1-->L925: Formula: (= v_~top~0_22 (bvadd |v_t2Thread1of1ForFork1_dec_top_#t~post32_12| (_ bv4294967295 32))) InVars {t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_12|} OutVars{t2Thread1of1ForFork1_dec_top_#t~post32=|v_t2Thread1of1ForFork1_dec_top_#t~post32_11|, ~top~0=v_~top~0_22} AuxVars[] AssignedVars[t2Thread1of1ForFork1_dec_top_#t~post32, ~top~0] because there is no mapped edge [2019-12-07 18:06:04,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [415] [415] L925-->L931-3: Formula: (= v_~top~0_11 |v_t2Thread1of1ForFork1_get_top_#res_7|) InVars {~top~0=v_~top~0_11} OutVars{t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_7|, ~top~0=v_~top~0_11} AuxVars[] AssignedVars[t2Thread1of1ForFork1_get_top_#res] because there is no mapped edge [2019-12-07 18:06:04,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] L931-3-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#res_13| (select (select |v_#memory_int_67| v_t2Thread1of1ForFork1_pop_~stack.base_13) (bvadd (bvmul |v_t2Thread1of1ForFork1_get_top_#res_35| (_ bv4 32)) v_t2Thread1of1ForFork1_pop_~stack.offset_13))) (= |v_t2Thread1of1ForFork1_#t~ret48_31| |v_t2Thread1of1ForFork1_pop_#res_13|)) InVars {t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} OutVars{t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_13, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_35|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_31|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_13|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_18|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_16|, #memory_int=|v_#memory_int_67|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_13} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40] because there is no mapped edge [2019-12-07 18:06:04,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [527] [527] L989-3-->L984-6: Formula: (and (not (= (_ bv4294967294 32) |t2Thread1of1ForFork1_#t~ret48_In1752146578|)) (= |#pthreadsMutex_Out1752146578| (store |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578| (store (select |#pthreadsMutex_In1752146578| |~#m~0.base_In1752146578|) |~#m~0.offset_In1752146578| (_ bv0 1)))) (= t2Thread1of1ForFork1_~i~1_In1752146578 (bvadd t2Thread1of1ForFork1_~i~1_Out1752146578 (_ bv4294967295 32)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_In1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1752146578} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1752146578|, ~#m~0.base=|~#m~0.base_In1752146578|, t2Thread1of1ForFork1_#t~ret48=|t2Thread1of1ForFork1_#t~ret48_Out1752146578|, ~#m~0.offset=|~#m~0.offset_In1752146578|, t2Thread1of1ForFork1_#t~post46=|t2Thread1of1ForFork1_#t~post46_Out1752146578|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1752146578} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_#t~post46, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2019-12-07 18:06:04,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [463] [463] L984-6-->L986-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_26| |v_~#m~0.base_21|))) (and (= (select .cse0 |v_~#m~0.offset_21|) (_ bv0 1)) (= |v_t2Thread1of1ForFork1_#t~nondet47_7| (_ bv0 32)) (= |v_#pthreadsMutex_25| (store |v_#pthreadsMutex_26| |v_~#m~0.base_21| (store .cse0 |v_~#m~0.offset_21| (_ bv1 1)))) (bvslt v_t2Thread1of1ForFork1_~i~1_12 (_ bv800 32)))) InVars {#pthreadsMutex=|v_#pthreadsMutex_26|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_7|, #pthreadsMutex=|v_#pthreadsMutex_25|, ~#m~0.base=|v_~#m~0.base_21|, ~#m~0.offset=|v_~#m~0.offset_21|, t2Thread1of1ForFork1_~i~1=v_t2Thread1of1ForFork1_~i~1_12} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, #pthreadsMutex] because there is no mapped edge [2019-12-07 18:06:04,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [529] [529] L986-1-->L989-3: Formula: (and (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| |v_~#arr~0.offset_27|) (= v_t2Thread1of1ForFork1_pop_~stack.base_37 |v_t2Thread1of1ForFork1_pop_#in~stack.base_22|) (= |v_t2Thread1of1ForFork1_pop_#in~stack.base_22| |v_~#arr~0.base_31|) (= |v_t2Thread1of1ForFork1_pop_#res_33| (_ bv4294967294 32)) (= |v_t2Thread1of1ForFork1_get_top_#res_55| (_ bv0 32)) (= |v_t2Thread1of1ForFork1_pop_#in~stack.offset_22| v_t2Thread1of1ForFork1_pop_~stack.offset_37) (= v_~top~0_124 |v_t2Thread1of1ForFork1_get_top_#res_55|) (not (= (_ bv0 8) v_~flag~0_67)) (= |v_t2Thread1of1ForFork1_#t~ret48_46| |v_t2Thread1of1ForFork1_pop_#res_33|)) InVars {~#arr~0.offset=|v_~#arr~0.offset_27|, ~flag~0=v_~flag~0_67, ~top~0=v_~top~0_124, ~#arr~0.base=|v_~#arr~0.base_31|} OutVars{t2Thread1of1ForFork1_#t~nondet47=|v_t2Thread1of1ForFork1_#t~nondet47_58|, t2Thread1of1ForFork1_pop_~stack.offset=v_t2Thread1of1ForFork1_pop_~stack.offset_37, ~#arr~0.offset=|v_~#arr~0.offset_27|, t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_46|, t2Thread1of1ForFork1_pop_#res=|v_t2Thread1of1ForFork1_pop_#res_33|, ~flag~0=v_~flag~0_67, t2Thread1of1ForFork1_pop_#in~stack.offset=|v_t2Thread1of1ForFork1_pop_#in~stack.offset_22|, ~top~0=v_~top~0_124, t2Thread1of1ForFork1_pop_#t~ret37=|v_t2Thread1of1ForFork1_pop_#t~ret37_45|, t2Thread1of1ForFork1_get_top_#res=|v_t2Thread1of1ForFork1_get_top_#res_55|, t2Thread1of1ForFork1_pop_#t~mem41=|v_t2Thread1of1ForFork1_pop_#t~mem41_36|, t2Thread1of1ForFork1_pop_#t~ret40=|v_t2Thread1of1ForFork1_pop_#t~ret40_34|, t2Thread1of1ForFork1_pop_#t~nondet38=|v_t2Thread1of1ForFork1_pop_#t~nondet38_23|, t2Thread1of1ForFork1_pop_#in~stack.base=|v_t2Thread1of1ForFork1_pop_#in~stack.base_22|, t2Thread1of1ForFork1_pop_~stack.base=v_t2Thread1of1ForFork1_pop_~stack.base_37, ~#arr~0.base=|v_~#arr~0.base_31|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~nondet47, t2Thread1of1ForFork1_pop_~stack.offset, t2Thread1of1ForFork1_get_top_#res, t2Thread1of1ForFork1_#t~ret48, t2Thread1of1ForFork1_pop_#res, t2Thread1of1ForFork1_pop_#t~mem41, t2Thread1of1ForFork1_pop_#t~ret40, t2Thread1of1ForFork1_pop_#t~nondet38, t2Thread1of1ForFork1_pop_#in~stack.offset, t2Thread1of1ForFork1_pop_#in~stack.base, t2Thread1of1ForFork1_pop_~stack.base, t2Thread1of1ForFork1_pop_#t~ret37] because there is no mapped edge [2019-12-07 18:06:04,619 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [488] [488] L989-3-->t2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (= |v_t2Thread1of1ForFork1_#t~ret48_18| (_ bv4294967294 32)) InVars {t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_18|} OutVars{t2Thread1of1ForFork1_#t~ret48=|v_t2Thread1of1ForFork1_#t~ret48_17|} AuxVars[] AssignedVars[t2Thread1of1ForFork1_#t~ret48] because there is no mapped edge [2019-12-07 18:06:04,646 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_24d3187d-d008-473b-8f0a-5d43d1da1b7e/bin/uautomizer/witness.graphml [2019-12-07 18:06:04,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:06:04,647 INFO L168 Benchmark]: Toolchain (without parser) took 16517.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 125.1 MB. Max. memory is 11.5 GB. [2019-12-07 18:06:04,648 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:06:04,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:06:04,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:06:04,649 INFO L168 Benchmark]: Boogie Preprocessor took 33.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:06:04,649 INFO L168 Benchmark]: RCFGBuilder took 339.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:06:04,650 INFO L168 Benchmark]: TraceAbstraction took 15538.49 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:06:04,650 INFO L168 Benchmark]: Witness Printer took 35.64 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:06:04,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15538.49 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. * Witness Printer took 35.64 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.8s, 132 ProgramPointsBefore, 39 ProgramPointsAfterwards, 136 TransitionsBefore, 40 TransitionsAfterwards, 5420 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 4 ChoiceCompositions, 2920 VarBasedMoverChecksPositive, 54 VarBasedMoverChecksNegative, 19 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 7110 CheckedPairsTotal, 114 TotalNumberOfCompositions - CounterExampleResult [Line: 919]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1000] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] [L1001] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] [L923] 1 top++ VAL [arr={-5:0}, flag=0, m={-1:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 126 locations, 2 error locations. Result: UNSAFE, OverallTime: 15.3s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 386 SDtfs, 931 SDslu, 2414 SDs, 0 SdLazy, 1922 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1391 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1227occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1656 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 14319 SizeOfPredicates, 28 NumberOfNonLiveVariables, 440 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 2/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...