./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/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 708d8b9831437de5f6a2314132b8b2b7ac66f496 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:23:59,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:23:59,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:23:59,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:23:59,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:23:59,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:23:59,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:23:59,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:23:59,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:23:59,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:23:59,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:23:59,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:23:59,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:23:59,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:23:59,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:23:59,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:23:59,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:23:59,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:23:59,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:23:59,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:23:59,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:23:59,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:23:59,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:23:59,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:23:59,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:23:59,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:23:59,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:23:59,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:23:59,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:23:59,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:23:59,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:23:59,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:23:59,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:23:59,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:23:59,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:23:59,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:23:59,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:23:59,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:23:59,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:23:59,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:23:59,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:23:59,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:23:59,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:23:59,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:23:59,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:23:59,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:23:59,765 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:23:59,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:23:59,765 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:23:59,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:23:59,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:23:59,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:23:59,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:23:59,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:23:59,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:23:59,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:23:59,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:23:59,767 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:23:59,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:23:59,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:23:59,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:23:59,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:23:59,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:23:59,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:23:59,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:23:59,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:23:59,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:23:59,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:23:59,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:23:59,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:23:59,770 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_2362f832-cdbe-4543-94b2-3baafcb56674/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 -> 708d8b9831437de5f6a2314132b8b2b7ac66f496 [2019-11-15 23:23:59,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:23:59,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:23:59,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:23:59,837 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:23:59,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:23:59,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc.i [2019-11-15 23:23:59,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/data/632ac279f/cc1059bdc1fe4816b90b7520148ce658/FLAGbbe9a87b3 [2019-11-15 23:24:00,414 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:24:00,415 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc.i [2019-11-15 23:24:00,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/data/632ac279f/cc1059bdc1fe4816b90b7520148ce658/FLAGbbe9a87b3 [2019-11-15 23:24:00,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/data/632ac279f/cc1059bdc1fe4816b90b7520148ce658 [2019-11-15 23:24:00,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:24:00,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:24:00,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:24:00,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:24:00,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:24:00,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:24:00" (1/1) ... [2019-11-15 23:24:00,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27fb289e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:00, skipping insertion in model container [2019-11-15 23:24:00,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:24:00" (1/1) ... [2019-11-15 23:24:00,929 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:24:00,984 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:24:01,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:24:01,377 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:24:01,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:24:01,503 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:24:01,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01 WrapperNode [2019-11-15 23:24:01,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:24:01,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:24:01,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:24:01,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:24:01,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:24:01,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:24:01,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:24:01,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:24:01,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... [2019-11-15 23:24:01,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:24:01,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:24:01,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:24:01,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:24:01,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/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 [2019-11-15 23:24:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:24:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-11-15 23:24:01,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:24:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:24:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-11-15 23:24:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-11-15 23:24:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-11-15 23:24:01,644 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-11-15 23:24:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-11-15 23:24:01,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-11-15 23:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-11-15 23:24:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:24:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:24:01,652 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-15 23:24:01,948 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:24:01,949 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-15 23:24:01,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:01 BoogieIcfgContainer [2019-11-15 23:24:01,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:24:01,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:24:01,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:24:01,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:24:01,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:24:00" (1/3) ... [2019-11-15 23:24:01,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2920ce76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:24:01, skipping insertion in model container [2019-11-15 23:24:01,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:24:01" (2/3) ... [2019-11-15 23:24:01,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2920ce76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:24:01, skipping insertion in model container [2019-11-15 23:24:01,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:01" (3/3) ... [2019-11-15 23:24:01,956 INFO L109 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc.i [2019-11-15 23:24:01,997 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,997 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,997 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,997 WARN L315 ript$VariableManager]: TermVariabe Thread0_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,998 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,998 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,998 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,999 WARN L315 ript$VariableManager]: TermVariabe Thread1_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,999 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,999 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:01,999 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:02,000 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:02,000 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:02,000 WARN L315 ript$VariableManager]: TermVariabe Thread2_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:02,000 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:02,000 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-15 23:24:02,030 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-15 23:24:02,030 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:24:02,036 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:24:02,048 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:24:02,064 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:24:02,064 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:24:02,064 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:24:02,064 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:24:02,064 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:24:02,064 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:24:02,064 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:24:02,064 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:24:02,077 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 49 transitions [2019-11-15 23:24:02,184 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1246 states. [2019-11-15 23:24:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states. [2019-11-15 23:24:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-15 23:24:02,200 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:02,201 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:02,203 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:02,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:02,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1706607507, now seen corresponding path program 1 times [2019-11-15 23:24:02,213 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:02,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060709257] [2019-11-15 23:24:02,214 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:02,214 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:02,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:02,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060709257] [2019-11-15 23:24:02,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:02,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:24:02,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901428976] [2019-11-15 23:24:02,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:24:02,537 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:02,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:24:02,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:24:02,553 INFO L87 Difference]: Start difference. First operand 1246 states. Second operand 4 states. [2019-11-15 23:24:02,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:02,658 INFO L93 Difference]: Finished difference Result 1293 states and 3959 transitions. [2019-11-15 23:24:02,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 23:24:02,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2019-11-15 23:24:02,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:02,694 INFO L225 Difference]: With dead ends: 1293 [2019-11-15 23:24:02,694 INFO L226 Difference]: Without dead ends: 599 [2019-11-15 23:24:02,695 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:24:02,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2019-11-15 23:24:02,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2019-11-15 23:24:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2019-11-15 23:24:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 1774 transitions. [2019-11-15 23:24:02,796 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 1774 transitions. Word has length 29 [2019-11-15 23:24:02,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:02,797 INFO L462 AbstractCegarLoop]: Abstraction has 599 states and 1774 transitions. [2019-11-15 23:24:02,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:24:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1774 transitions. [2019-11-15 23:24:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-15 23:24:02,802 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:02,802 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:02,802 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:02,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:02,802 INFO L82 PathProgramCache]: Analyzing trace with hash -220814039, now seen corresponding path program 1 times [2019-11-15 23:24:02,803 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:02,803 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205407958] [2019-11-15 23:24:02,803 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:02,803 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:02,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:02,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205407958] [2019-11-15 23:24:02,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:02,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:24:02,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642441160] [2019-11-15 23:24:02,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-15 23:24:02,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:02,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:24:02,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:24:02,956 INFO L87 Difference]: Start difference. First operand 599 states and 1774 transitions. Second operand 5 states. [2019-11-15 23:24:03,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:03,036 INFO L93 Difference]: Finished difference Result 599 states and 1693 transitions. [2019-11-15 23:24:03,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:24:03,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-15 23:24:03,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:03,044 INFO L225 Difference]: With dead ends: 599 [2019-11-15 23:24:03,044 INFO L226 Difference]: Without dead ends: 536 [2019-11-15 23:24:03,045 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:24:03,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2019-11-15 23:24:03,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2019-11-15 23:24:03,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2019-11-15 23:24:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1543 transitions. [2019-11-15 23:24:03,096 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1543 transitions. Word has length 30 [2019-11-15 23:24:03,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:03,097 INFO L462 AbstractCegarLoop]: Abstraction has 536 states and 1543 transitions. [2019-11-15 23:24:03,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-15 23:24:03,098 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1543 transitions. [2019-11-15 23:24:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-15 23:24:03,107 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:03,107 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:03,107 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:03,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1708267239, now seen corresponding path program 1 times [2019-11-15 23:24:03,108 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:03,108 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432393640] [2019-11-15 23:24:03,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,108 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:03,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:03,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432393640] [2019-11-15 23:24:03,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:03,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:24:03,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745766713] [2019-11-15 23:24:03,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:24:03,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:03,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:24:03,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:24:03,255 INFO L87 Difference]: Start difference. First operand 536 states and 1543 transitions. Second operand 6 states. [2019-11-15 23:24:03,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:03,339 INFO L93 Difference]: Finished difference Result 401 states and 1057 transitions. [2019-11-15 23:24:03,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:24:03,340 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2019-11-15 23:24:03,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:03,343 INFO L225 Difference]: With dead ends: 401 [2019-11-15 23:24:03,343 INFO L226 Difference]: Without dead ends: 347 [2019-11-15 23:24:03,343 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:24:03,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-11-15 23:24:03,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 347. [2019-11-15 23:24:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2019-11-15 23:24:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 913 transitions. [2019-11-15 23:24:03,355 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 913 transitions. Word has length 31 [2019-11-15 23:24:03,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:03,356 INFO L462 AbstractCegarLoop]: Abstraction has 347 states and 913 transitions. [2019-11-15 23:24:03,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:24:03,356 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 913 transitions. [2019-11-15 23:24:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:24:03,357 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:03,357 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:03,358 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:03,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:03,358 INFO L82 PathProgramCache]: Analyzing trace with hash 358787526, now seen corresponding path program 1 times [2019-11-15 23:24:03,358 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:03,358 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489433038] [2019-11-15 23:24:03,358 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,359 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:03,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489433038] [2019-11-15 23:24:03,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:03,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:24:03,495 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58921206] [2019-11-15 23:24:03,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-15 23:24:03,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:03,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 23:24:03,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-15 23:24:03,496 INFO L87 Difference]: Start difference. First operand 347 states and 913 transitions. Second operand 6 states. [2019-11-15 23:24:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:03,624 INFO L93 Difference]: Finished difference Result 563 states and 1498 transitions. [2019-11-15 23:24:03,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 23:24:03,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-11-15 23:24:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:03,629 INFO L225 Difference]: With dead ends: 563 [2019-11-15 23:24:03,629 INFO L226 Difference]: Without dead ends: 392 [2019-11-15 23:24:03,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-15 23:24:03,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-11-15 23:24:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 338. [2019-11-15 23:24:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-11-15 23:24:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 886 transitions. [2019-11-15 23:24:03,643 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 886 transitions. Word has length 32 [2019-11-15 23:24:03,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:03,644 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 886 transitions. [2019-11-15 23:24:03,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-15 23:24:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 886 transitions. [2019-11-15 23:24:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:24:03,648 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:03,648 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:03,648 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:03,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1702072276, now seen corresponding path program 2 times [2019-11-15 23:24:03,649 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:03,649 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518028591] [2019-11-15 23:24:03,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,650 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:03,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:03,812 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518028591] [2019-11-15 23:24:03,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:03,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:24:03,813 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199632609] [2019-11-15 23:24:03,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:24:03,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:03,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:24:03,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:24:03,814 INFO L87 Difference]: Start difference. First operand 338 states and 886 transitions. Second operand 7 states. [2019-11-15 23:24:03,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:03,944 INFO L93 Difference]: Finished difference Result 509 states and 1366 transitions. [2019-11-15 23:24:03,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:24:03,946 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:24:03,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:03,949 INFO L225 Difference]: With dead ends: 509 [2019-11-15 23:24:03,949 INFO L226 Difference]: Without dead ends: 335 [2019-11-15 23:24:03,949 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:24:03,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-11-15 23:24:03,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-11-15 23:24:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-11-15 23:24:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 880 transitions. [2019-11-15 23:24:03,964 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 880 transitions. Word has length 32 [2019-11-15 23:24:03,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:03,964 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 880 transitions. [2019-11-15 23:24:03,965 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:24:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 880 transitions. [2019-11-15 23:24:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:24:03,969 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:03,969 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:03,970 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:03,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:03,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1343936172, now seen corresponding path program 3 times [2019-11-15 23:24:03,971 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:03,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422039549] [2019-11-15 23:24:03,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,972 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:03,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:04,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:04,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422039549] [2019-11-15 23:24:04,111 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:04,111 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:24:04,112 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284641212] [2019-11-15 23:24:04,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:24:04,112 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:04,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:24:04,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:24:04,113 INFO L87 Difference]: Start difference. First operand 335 states and 880 transitions. Second operand 7 states. [2019-11-15 23:24:04,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:04,243 INFO L93 Difference]: Finished difference Result 542 states and 1444 transitions. [2019-11-15 23:24:04,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:24:04,244 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:24:04,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:04,247 INFO L225 Difference]: With dead ends: 542 [2019-11-15 23:24:04,247 INFO L226 Difference]: Without dead ends: 308 [2019-11-15 23:24:04,247 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:24:04,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-11-15 23:24:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2019-11-15 23:24:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-11-15 23:24:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 814 transitions. [2019-11-15 23:24:04,259 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 814 transitions. Word has length 32 [2019-11-15 23:24:04,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:04,259 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 814 transitions. [2019-11-15 23:24:04,259 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:24:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 814 transitions. [2019-11-15 23:24:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-15 23:24:04,260 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:24:04,261 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:24:04,261 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:24:04,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:24:04,261 INFO L82 PathProgramCache]: Analyzing trace with hash 2055039442, now seen corresponding path program 4 times [2019-11-15 23:24:04,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:24:04,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630514174] [2019-11-15 23:24:04,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:04,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:24:04,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:24:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:24:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:24:04,353 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630514174] [2019-11-15 23:24:04,353 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:24:04,353 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-15 23:24:04,353 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009121748] [2019-11-15 23:24:04,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:24:04,354 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:24:04,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:24:04,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:24:04,354 INFO L87 Difference]: Start difference. First operand 308 states and 814 transitions. Second operand 7 states. [2019-11-15 23:24:04,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:24:04,430 INFO L93 Difference]: Finished difference Result 254 states and 652 transitions. [2019-11-15 23:24:04,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:24:04,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2019-11-15 23:24:04,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:24:04,431 INFO L225 Difference]: With dead ends: 254 [2019-11-15 23:24:04,431 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:24:04,431 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-15 23:24:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:24:04,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:24:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:24:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:24:04,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2019-11-15 23:24:04,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:24:04,432 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:24:04,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:24:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:24:04,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:24:04,435 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-15 23:24:04,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:24:04 BasicIcfg [2019-11-15 23:24:04,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:24:04,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:24:04,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:24:04,438 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:24:04,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:24:01" (3/4) ... [2019-11-15 23:24:04,441 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:24:04,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-11-15 23:24:04,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-11-15 23:24:04,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-11-15 23:24:04,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-15 23:24:04,452 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:24:04,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2362f832-cdbe-4543-94b2-3baafcb56674/bin/uautomizer/witness.graphml [2019-11-15 23:24:04,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:24:04,508 INFO L168 Benchmark]: Toolchain (without parser) took 3593.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:04,509 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:04,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:04,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:04,510 INFO L168 Benchmark]: Boogie Preprocessor took 24.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:04,511 INFO L168 Benchmark]: RCFGBuilder took 381.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:04,516 INFO L168 Benchmark]: TraceAbstraction took 2486.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:24:04,516 INFO L168 Benchmark]: Witness Printer took 68.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:24:04,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 588.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 381.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2486.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 68.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 64 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 331 SDtfs, 420 SDslu, 874 SDs, 0 SdLazy, 136 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1246occurred in iteration=0, 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, 7 MinimizatonAttempts, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 18709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...