/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 18:27:35,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 18:27:35,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 18:27:35,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 18:27:35,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 18:27:35,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 18:27:35,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 18:27:35,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 18:27:35,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 18:27:35,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 18:27:35,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 18:27:35,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 18:27:35,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 18:27:35,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 18:27:35,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 18:27:35,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 18:27:35,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 18:27:35,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 18:27:35,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 18:27:35,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 18:27:35,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 18:27:35,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 18:27:35,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 18:27:35,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 18:27:35,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 18:27:35,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 18:27:35,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 18:27:35,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 18:27:35,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 18:27:35,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 18:27:35,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 18:27:35,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 18:27:35,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 18:27:35,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 18:27:35,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 18:27:35,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 18:27:35,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 18:27:35,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 18:27:35,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 18:27:35,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 18:27:35,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 18:27:35,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 18:27:35,868 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 18:27:35,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 18:27:35,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 18:27:35,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 18:27:35,870 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 18:27:35,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 18:27:35,871 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 18:27:35,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 18:27:35,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 18:27:35,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 18:27:35,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 18:27:35,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 18:27:35,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 18:27:35,872 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 18:27:35,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 18:27:35,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 18:27:35,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 18:27:35,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 18:27:35,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 18:27:35,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 18:27:35,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 18:27:35,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 18:27:35,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 18:27:35,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 18:27:35,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 18:27:35,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 18:27:35,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 18:27:35,875 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 18:27:35,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 18:27:35,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 18:27:36,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 18:27:36,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 18:27:36,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 18:27:36,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 18:27:36,182 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 18:27:36,182 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i [2020-10-11 18:27:36,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28aa62fff/4decf46b4db54aecafc6603575c5eae6/FLAG0186bebd7 [2020-10-11 18:27:36,835 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 18:27:36,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.opt.i [2020-10-11 18:27:36,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28aa62fff/4decf46b4db54aecafc6603575c5eae6/FLAG0186bebd7 [2020-10-11 18:27:37,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28aa62fff/4decf46b4db54aecafc6603575c5eae6 [2020-10-11 18:27:37,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 18:27:37,071 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 18:27:37,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 18:27:37,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 18:27:37,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 18:27:37,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1c4836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37, skipping insertion in model container [2020-10-11 18:27:37,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 18:27:37,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 18:27:37,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:27:37,656 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 18:27:37,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 18:27:37,861 INFO L208 MainTranslator]: Completed translation [2020-10-11 18:27:37,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37 WrapperNode [2020-10-11 18:27:37,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 18:27:37,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 18:27:37,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 18:27:37,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 18:27:37,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 18:27:37,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 18:27:37,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 18:27:37,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 18:27:37,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... [2020-10-11 18:27:37,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 18:27:37,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 18:27:37,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 18:27:37,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 18:27:37,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-11 18:27:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 18:27:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-11 18:27:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 18:27:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 18:27:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-11 18:27:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-11 18:27:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-11 18:27:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-11 18:27:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-11 18:27:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 18:27:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 18:27:38,066 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 18:27:41,530 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 18:27:41,530 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-11 18:27:41,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:27:41 BoogieIcfgContainer [2020-10-11 18:27:41,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 18:27:41,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 18:27:41,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 18:27:41,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 18:27:41,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 06:27:37" (1/3) ... [2020-10-11 18:27:41,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6babe4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:27:41, skipping insertion in model container [2020-10-11 18:27:41,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 06:27:37" (2/3) ... [2020-10-11 18:27:41,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6babe4d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 06:27:41, skipping insertion in model container [2020-10-11 18:27:41,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 06:27:41" (3/3) ... [2020-10-11 18:27:41,542 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi000_tso.opt.i [2020-10-11 18:27:41,554 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 18:27:41,563 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 18:27:41,564 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 18:27:41,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,603 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,603 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,604 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,604 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,606 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,607 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,607 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,607 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,608 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,610 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,611 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,612 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,613 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,614 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,615 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,616 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,617 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,618 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,619 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,620 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,621 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,622 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,624 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,625 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,626 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,630 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,631 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,632 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,633 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,634 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,635 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,636 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,636 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,637 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,637 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,638 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,639 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,640 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,640 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,641 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,646 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,647 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,648 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,648 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 18:27:41,671 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 18:27:41,693 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 18:27:41,694 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 18:27:41,694 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 18:27:41,694 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 18:27:41,694 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 18:27:41,694 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 18:27:41,695 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 18:27:41,695 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 18:27:41,708 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 83 places, 78 transitions, 166 flow [2020-10-11 18:27:41,752 INFO L129 PetriNetUnfolder]: 2/76 cut-off events. [2020-10-11 18:27:41,753 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:27:41,758 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 76 events. 2/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2020-10-11 18:27:41,758 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 78 transitions, 166 flow [2020-10-11 18:27:41,765 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 76 transitions, 158 flow [2020-10-11 18:27:41,781 INFO L129 PetriNetUnfolder]: 0/48 cut-off events. [2020-10-11 18:27:41,782 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:27:41,782 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:41,783 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:41,785 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:41,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1494917837, now seen corresponding path program 1 times [2020-10-11 18:27:41,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:41,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956331215] [2020-10-11 18:27:41,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:42,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956331215] [2020-10-11 18:27:42,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:42,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 18:27:42,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296545325] [2020-10-11 18:27:42,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 18:27:42,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:42,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 18:27:42,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 18:27:42,349 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 78 [2020-10-11 18:27:42,351 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 158 flow. Second operand 3 states. [2020-10-11 18:27:42,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:42,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 78 [2020-10-11 18:27:42,353 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:42,380 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2020-10-11 18:27:42,381 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:27:42,381 INFO L80 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 4/75 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2020-10-11 18:27:42,382 INFO L132 encePairwiseOnDemand]: 73/78 looper letters, 0 selfloop transitions, 2 changer transitions 9/73 dead transitions. [2020-10-11 18:27:42,383 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 73 transitions, 156 flow [2020-10-11 18:27:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 18:27:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 18:27:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2020-10-11 18:27:42,399 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9658119658119658 [2020-10-11 18:27:42,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 226 transitions. [2020-10-11 18:27:42,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 226 transitions. [2020-10-11 18:27:42,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:42,405 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 226 transitions. [2020-10-11 18:27:42,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 18:27:42,415 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 18:27:42,416 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 18:27:42,418 INFO L185 Difference]: Start difference. First operand has 81 places, 76 transitions, 158 flow. Second operand 3 states and 226 transitions. [2020-10-11 18:27:42,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 73 transitions, 156 flow [2020-10-11 18:27:42,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 73 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:27:42,428 INFO L241 Difference]: Finished difference. Result has 80 places, 64 transitions, 136 flow [2020-10-11 18:27:42,432 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=136, PETRI_PLACES=80, PETRI_TRANSITIONS=64} [2020-10-11 18:27:42,433 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, -1 predicate places. [2020-10-11 18:27:42,433 INFO L481 AbstractCegarLoop]: Abstraction has has 80 places, 64 transitions, 136 flow [2020-10-11 18:27:42,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 18:27:42,433 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:42,434 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:42,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 18:27:42,434 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:42,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:42,435 INFO L82 PathProgramCache]: Analyzing trace with hash 319838321, now seen corresponding path program 1 times [2020-10-11 18:27:42,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:42,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825797891] [2020-10-11 18:27:42,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:42,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825797891] [2020-10-11 18:27:42,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:42,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:27:42,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780709807] [2020-10-11 18:27:42,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:27:42,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:42,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:27:42,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:27:42,914 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 78 [2020-10-11 18:27:42,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 64 transitions, 136 flow. Second operand 6 states. [2020-10-11 18:27:42,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:42,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 78 [2020-10-11 18:27:42,915 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:43,087 INFO L129 PetriNetUnfolder]: 24/149 cut-off events. [2020-10-11 18:27:43,087 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 18:27:43,088 INFO L80 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 149 events. 24/149 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 464 event pairs, 5 based on Foata normal form. 4/151 useless extension candidates. Maximal degree in co-relation 183. Up to 31 conditions per place. [2020-10-11 18:27:43,090 INFO L132 encePairwiseOnDemand]: 71/78 looper letters, 8 selfloop transitions, 3 changer transitions 19/85 dead transitions. [2020-10-11 18:27:43,090 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 85 transitions, 238 flow [2020-10-11 18:27:43,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:27:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:27:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 635 transitions. [2020-10-11 18:27:43,096 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9045584045584045 [2020-10-11 18:27:43,096 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 635 transitions. [2020-10-11 18:27:43,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 635 transitions. [2020-10-11 18:27:43,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:43,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 635 transitions. [2020-10-11 18:27:43,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:27:43,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:27:43,104 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:27:43,104 INFO L185 Difference]: Start difference. First operand has 80 places, 64 transitions, 136 flow. Second operand 9 states and 635 transitions. [2020-10-11 18:27:43,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 85 transitions, 238 flow [2020-10-11 18:27:43,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 85 transitions, 234 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 18:27:43,108 INFO L241 Difference]: Finished difference. Result has 84 places, 66 transitions, 175 flow [2020-10-11 18:27:43,109 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=175, PETRI_PLACES=84, PETRI_TRANSITIONS=66} [2020-10-11 18:27:43,109 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 3 predicate places. [2020-10-11 18:27:43,110 INFO L481 AbstractCegarLoop]: Abstraction has has 84 places, 66 transitions, 175 flow [2020-10-11 18:27:43,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:27:43,110 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:43,110 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:43,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 18:27:43,111 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:43,111 INFO L82 PathProgramCache]: Analyzing trace with hash -82851246, now seen corresponding path program 1 times [2020-10-11 18:27:43,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:43,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838799481] [2020-10-11 18:27:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:43,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:43,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838799481] [2020-10-11 18:27:43,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:43,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:27:43,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219008831] [2020-10-11 18:27:43,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:27:43,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:43,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:27:43,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:27:43,464 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 78 [2020-10-11 18:27:43,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 66 transitions, 175 flow. Second operand 6 states. [2020-10-11 18:27:43,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:43,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 78 [2020-10-11 18:27:43,465 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:43,615 INFO L129 PetriNetUnfolder]: 18/147 cut-off events. [2020-10-11 18:27:43,615 INFO L130 PetriNetUnfolder]: For 115/119 co-relation queries the response was YES. [2020-10-11 18:27:43,616 INFO L80 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 147 events. 18/147 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 448 event pairs, 3 based on Foata normal form. 5/149 useless extension candidates. Maximal degree in co-relation 270. Up to 21 conditions per place. [2020-10-11 18:27:43,617 INFO L132 encePairwiseOnDemand]: 72/78 looper letters, 6 selfloop transitions, 2 changer transitions 10/76 dead transitions. [2020-10-11 18:27:43,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 76 transitions, 249 flow [2020-10-11 18:27:43,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:27:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:27:43,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 632 transitions. [2020-10-11 18:27:43,621 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9002849002849003 [2020-10-11 18:27:43,621 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 632 transitions. [2020-10-11 18:27:43,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 632 transitions. [2020-10-11 18:27:43,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:43,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 632 transitions. [2020-10-11 18:27:43,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:27:43,625 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:27:43,625 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:27:43,625 INFO L185 Difference]: Start difference. First operand has 84 places, 66 transitions, 175 flow. Second operand 9 states and 632 transitions. [2020-10-11 18:27:43,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 76 transitions, 249 flow [2020-10-11 18:27:43,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 76 transitions, 230 flow, removed 8 selfloop flow, removed 4 redundant places. [2020-10-11 18:27:43,631 INFO L241 Difference]: Finished difference. Result has 89 places, 66 transitions, 184 flow [2020-10-11 18:27:43,631 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=184, PETRI_PLACES=89, PETRI_TRANSITIONS=66} [2020-10-11 18:27:43,631 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 8 predicate places. [2020-10-11 18:27:43,631 INFO L481 AbstractCegarLoop]: Abstraction has has 89 places, 66 transitions, 184 flow [2020-10-11 18:27:43,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:27:43,632 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:43,632 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:43,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 18:27:43,632 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:43,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:43,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1721935665, now seen corresponding path program 1 times [2020-10-11 18:27:43,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:43,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582801562] [2020-10-11 18:27:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:43,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582801562] [2020-10-11 18:27:43,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:43,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:27:43,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695648580] [2020-10-11 18:27:43,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:27:43,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:43,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:27:43,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:27:44,091 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 78 [2020-10-11 18:27:44,092 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 66 transitions, 184 flow. Second operand 6 states. [2020-10-11 18:27:44,092 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:44,092 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 78 [2020-10-11 18:27:44,092 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:44,242 INFO L129 PetriNetUnfolder]: 15/133 cut-off events. [2020-10-11 18:27:44,242 INFO L130 PetriNetUnfolder]: For 140/147 co-relation queries the response was YES. [2020-10-11 18:27:44,243 INFO L80 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 133 events. 15/133 cut-off events. For 140/147 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 373 event pairs, 0 based on Foata normal form. 4/136 useless extension candidates. Maximal degree in co-relation 253. Up to 17 conditions per place. [2020-10-11 18:27:44,244 INFO L132 encePairwiseOnDemand]: 72/78 looper letters, 6 selfloop transitions, 2 changer transitions 10/76 dead transitions. [2020-10-11 18:27:44,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 76 transitions, 268 flow [2020-10-11 18:27:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:27:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:27:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 632 transitions. [2020-10-11 18:27:44,248 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9002849002849003 [2020-10-11 18:27:44,248 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 632 transitions. [2020-10-11 18:27:44,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 632 transitions. [2020-10-11 18:27:44,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:44,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 632 transitions. [2020-10-11 18:27:44,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:27:44,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:27:44,252 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:27:44,252 INFO L185 Difference]: Start difference. First operand has 89 places, 66 transitions, 184 flow. Second operand 9 states and 632 transitions. [2020-10-11 18:27:44,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 76 transitions, 268 flow [2020-10-11 18:27:44,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 76 transitions, 232 flow, removed 16 selfloop flow, removed 8 redundant places. [2020-10-11 18:27:44,256 INFO L241 Difference]: Finished difference. Result has 90 places, 66 transitions, 184 flow [2020-10-11 18:27:44,257 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=184, PETRI_PLACES=90, PETRI_TRANSITIONS=66} [2020-10-11 18:27:44,257 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 9 predicate places. [2020-10-11 18:27:44,257 INFO L481 AbstractCegarLoop]: Abstraction has has 90 places, 66 transitions, 184 flow [2020-10-11 18:27:44,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:27:44,258 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:44,258 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:44,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 18:27:44,258 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:44,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:44,259 INFO L82 PathProgramCache]: Analyzing trace with hash 990503811, now seen corresponding path program 1 times [2020-10-11 18:27:44,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:44,259 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931978447] [2020-10-11 18:27:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:44,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931978447] [2020-10-11 18:27:44,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:44,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-11 18:27:44,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329242710] [2020-10-11 18:27:44,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-11 18:27:44,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:44,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-11 18:27:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-11 18:27:45,492 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 78 [2020-10-11 18:27:45,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 66 transitions, 184 flow. Second operand 10 states. [2020-10-11 18:27:45,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:45,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 78 [2020-10-11 18:27:45,494 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:45,910 INFO L129 PetriNetUnfolder]: 101/303 cut-off events. [2020-10-11 18:27:45,910 INFO L130 PetriNetUnfolder]: For 295/295 co-relation queries the response was YES. [2020-10-11 18:27:45,912 INFO L80 FinitePrefix]: Finished finitePrefix Result has 746 conditions, 303 events. 101/303 cut-off events. For 295/295 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1271 event pairs, 49 based on Foata normal form. 8/305 useless extension candidates. Maximal degree in co-relation 689. Up to 128 conditions per place. [2020-10-11 18:27:45,914 INFO L132 encePairwiseOnDemand]: 66/78 looper letters, 20 selfloop transitions, 11 changer transitions 22/100 dead transitions. [2020-10-11 18:27:45,915 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 100 transitions, 392 flow [2020-10-11 18:27:45,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 18:27:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 18:27:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 853 transitions. [2020-10-11 18:27:45,919 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7811355311355311 [2020-10-11 18:27:45,919 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 853 transitions. [2020-10-11 18:27:45,919 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 853 transitions. [2020-10-11 18:27:45,920 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:45,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 853 transitions. [2020-10-11 18:27:45,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 18:27:45,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 18:27:45,925 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 18:27:45,925 INFO L185 Difference]: Start difference. First operand has 90 places, 66 transitions, 184 flow. Second operand 14 states and 853 transitions. [2020-10-11 18:27:45,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 100 transitions, 392 flow [2020-10-11 18:27:45,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 100 transitions, 358 flow, removed 14 selfloop flow, removed 8 redundant places. [2020-10-11 18:27:45,931 INFO L241 Difference]: Finished difference. Result has 99 places, 74 transitions, 250 flow [2020-10-11 18:27:45,932 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=250, PETRI_PLACES=99, PETRI_TRANSITIONS=74} [2020-10-11 18:27:45,932 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 18 predicate places. [2020-10-11 18:27:45,932 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 74 transitions, 250 flow [2020-10-11 18:27:45,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-11 18:27:45,932 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:45,933 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:45,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 18:27:45,933 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:45,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:45,933 INFO L82 PathProgramCache]: Analyzing trace with hash -2048504940, now seen corresponding path program 1 times [2020-10-11 18:27:45,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:45,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457771786] [2020-10-11 18:27:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:46,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457771786] [2020-10-11 18:27:46,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:46,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-11 18:27:46,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190773268] [2020-10-11 18:27:46,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-11 18:27:46,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:46,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-11 18:27:46,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-11 18:27:48,230 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 78 [2020-10-11 18:27:48,231 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 74 transitions, 250 flow. Second operand 13 states. [2020-10-11 18:27:48,231 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:48,232 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 78 [2020-10-11 18:27:48,232 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:48,652 INFO L129 PetriNetUnfolder]: 84/274 cut-off events. [2020-10-11 18:27:48,652 INFO L130 PetriNetUnfolder]: For 413/415 co-relation queries the response was YES. [2020-10-11 18:27:48,654 INFO L80 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 274 events. 84/274 cut-off events. For 413/415 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1099 event pairs, 47 based on Foata normal form. 6/274 useless extension candidates. Maximal degree in co-relation 758. Up to 136 conditions per place. [2020-10-11 18:27:48,656 INFO L132 encePairwiseOnDemand]: 65/78 looper letters, 28 selfloop transitions, 13 changer transitions 13/101 dead transitions. [2020-10-11 18:27:48,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 101 transitions, 481 flow [2020-10-11 18:27:48,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 18:27:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 18:27:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 903 transitions. [2020-10-11 18:27:48,661 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7717948717948718 [2020-10-11 18:27:48,661 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 903 transitions. [2020-10-11 18:27:48,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 903 transitions. [2020-10-11 18:27:48,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:48,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 903 transitions. [2020-10-11 18:27:48,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-11 18:27:48,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-11 18:27:48,666 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-11 18:27:48,667 INFO L185 Difference]: Start difference. First operand has 99 places, 74 transitions, 250 flow. Second operand 15 states and 903 transitions. [2020-10-11 18:27:48,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 101 transitions, 481 flow [2020-10-11 18:27:48,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 101 transitions, 463 flow, removed 7 selfloop flow, removed 5 redundant places. [2020-10-11 18:27:48,672 INFO L241 Difference]: Finished difference. Result has 113 places, 84 transitions, 372 flow [2020-10-11 18:27:48,672 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=372, PETRI_PLACES=113, PETRI_TRANSITIONS=84} [2020-10-11 18:27:48,673 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 32 predicate places. [2020-10-11 18:27:48,673 INFO L481 AbstractCegarLoop]: Abstraction has has 113 places, 84 transitions, 372 flow [2020-10-11 18:27:48,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-11 18:27:48,673 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:48,673 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:48,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 18:27:48,674 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:48,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:48,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1814923854, now seen corresponding path program 2 times [2020-10-11 18:27:48,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:48,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923657382] [2020-10-11 18:27:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:49,047 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2020-10-11 18:27:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:49,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923657382] [2020-10-11 18:27:49,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:49,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-11 18:27:49,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974948231] [2020-10-11 18:27:49,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-11 18:27:49,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:49,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-11 18:27:49,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-11 18:27:51,559 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 78 [2020-10-11 18:27:51,560 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 84 transitions, 372 flow. Second operand 12 states. [2020-10-11 18:27:51,560 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:51,561 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 78 [2020-10-11 18:27:51,561 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:52,098 INFO L129 PetriNetUnfolder]: 100/393 cut-off events. [2020-10-11 18:27:52,098 INFO L130 PetriNetUnfolder]: For 1168/1301 co-relation queries the response was YES. [2020-10-11 18:27:52,101 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1321 conditions, 393 events. 100/393 cut-off events. For 1168/1301 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2048 event pairs, 10 based on Foata normal form. 15/397 useless extension candidates. Maximal degree in co-relation 1248. Up to 93 conditions per place. [2020-10-11 18:27:52,104 INFO L132 encePairwiseOnDemand]: 65/78 looper letters, 28 selfloop transitions, 24 changer transitions 16/117 dead transitions. [2020-10-11 18:27:52,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 117 transitions, 718 flow [2020-10-11 18:27:52,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-11 18:27:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-11 18:27:52,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 912 transitions. [2020-10-11 18:27:52,112 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.7794871794871795 [2020-10-11 18:27:52,112 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 912 transitions. [2020-10-11 18:27:52,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 912 transitions. [2020-10-11 18:27:52,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:52,114 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 912 transitions. [2020-10-11 18:27:52,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-11 18:27:52,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 16 states. [2020-10-11 18:27:52,120 INFO L81 ComplementDD]: Finished complementDD. Result 16 states. [2020-10-11 18:27:52,120 INFO L185 Difference]: Start difference. First operand has 113 places, 84 transitions, 372 flow. Second operand 15 states and 912 transitions. [2020-10-11 18:27:52,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 117 transitions, 718 flow [2020-10-11 18:27:52,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 117 transitions, 671 flow, removed 18 selfloop flow, removed 6 redundant places. [2020-10-11 18:27:52,129 INFO L241 Difference]: Finished difference. Result has 124 places, 92 transitions, 475 flow [2020-10-11 18:27:52,129 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=351, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=475, PETRI_PLACES=124, PETRI_TRANSITIONS=92} [2020-10-11 18:27:52,130 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 43 predicate places. [2020-10-11 18:27:52,130 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 92 transitions, 475 flow [2020-10-11 18:27:52,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-11 18:27:52,130 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:52,130 INFO L255 CegarLoopForPetriNet]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 18:27:52,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 18:27:52,131 INFO L429 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:52,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:52,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1883781386, now seen corresponding path program 1 times [2020-10-11 18:27:52,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:52,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619272739] [2020-10-11 18:27:52,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:52,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619272739] [2020-10-11 18:27:52,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:52,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:27:52,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642530422] [2020-10-11 18:27:52,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:27:52,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:52,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:27:52,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:27:52,419 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 78 [2020-10-11 18:27:52,419 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 92 transitions, 475 flow. Second operand 6 states. [2020-10-11 18:27:52,419 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:52,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 78 [2020-10-11 18:27:52,420 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:52,600 INFO L129 PetriNetUnfolder]: 84/406 cut-off events. [2020-10-11 18:27:52,600 INFO L130 PetriNetUnfolder]: For 507/510 co-relation queries the response was YES. [2020-10-11 18:27:52,603 INFO L80 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 406 events. 84/406 cut-off events. For 507/510 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2525 event pairs, 17 based on Foata normal form. 13/396 useless extension candidates. Maximal degree in co-relation 895. Up to 77 conditions per place. [2020-10-11 18:27:52,605 INFO L132 encePairwiseOnDemand]: 70/78 looper letters, 11 selfloop transitions, 13 changer transitions 4/101 dead transitions. [2020-10-11 18:27:52,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 101 transitions, 475 flow [2020-10-11 18:27:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 18:27:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 18:27:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 624 transitions. [2020-10-11 18:27:52,608 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2020-10-11 18:27:52,608 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 624 transitions. [2020-10-11 18:27:52,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 624 transitions. [2020-10-11 18:27:52,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:52,609 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 624 transitions. [2020-10-11 18:27:52,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 18:27:52,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 18:27:52,612 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 18:27:52,612 INFO L185 Difference]: Start difference. First operand has 124 places, 92 transitions, 475 flow. Second operand 9 states and 624 transitions. [2020-10-11 18:27:52,612 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 101 transitions, 475 flow [2020-10-11 18:27:52,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 101 transitions, 414 flow, removed 13 selfloop flow, removed 21 redundant places. [2020-10-11 18:27:52,618 INFO L241 Difference]: Finished difference. Result has 108 places, 95 transitions, 400 flow [2020-10-11 18:27:52,618 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=400, PETRI_PLACES=108, PETRI_TRANSITIONS=95} [2020-10-11 18:27:52,619 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 27 predicate places. [2020-10-11 18:27:52,619 INFO L481 AbstractCegarLoop]: Abstraction has has 108 places, 95 transitions, 400 flow [2020-10-11 18:27:52,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:27:52,619 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:52,619 INFO L255 CegarLoopForPetriNet]: 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, 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] [2020-10-11 18:27:52,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 18:27:52,620 INFO L429 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:52,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:52,620 INFO L82 PathProgramCache]: Analyzing trace with hash 417722499, now seen corresponding path program 1 times [2020-10-11 18:27:52,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:52,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551044530] [2020-10-11 18:27:52,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:52,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:52,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551044530] [2020-10-11 18:27:52,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:52,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-11 18:27:52,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745354596] [2020-10-11 18:27:52,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 18:27:52,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:52,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 18:27:52,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-11 18:27:52,871 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 78 [2020-10-11 18:27:52,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 95 transitions, 400 flow. Second operand 7 states. [2020-10-11 18:27:52,872 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:52,872 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 78 [2020-10-11 18:27:52,872 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:53,096 INFO L129 PetriNetUnfolder]: 56/346 cut-off events. [2020-10-11 18:27:53,096 INFO L130 PetriNetUnfolder]: For 281/494 co-relation queries the response was YES. [2020-10-11 18:27:53,098 INFO L80 FinitePrefix]: Finished finitePrefix Result has 844 conditions, 346 events. 56/346 cut-off events. For 281/494 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 2286 event pairs, 0 based on Foata normal form. 91/416 useless extension candidates. Maximal degree in co-relation 806. Up to 60 conditions per place. [2020-10-11 18:27:53,100 INFO L132 encePairwiseOnDemand]: 70/78 looper letters, 8 selfloop transitions, 17 changer transitions 12/109 dead transitions. [2020-10-11 18:27:53,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 109 transitions, 525 flow [2020-10-11 18:27:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 18:27:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 18:27:53,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 824 transitions. [2020-10-11 18:27:53,107 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8803418803418803 [2020-10-11 18:27:53,107 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 824 transitions. [2020-10-11 18:27:53,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 824 transitions. [2020-10-11 18:27:53,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:53,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 824 transitions. [2020-10-11 18:27:53,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 18:27:53,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 18:27:53,115 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 18:27:53,115 INFO L185 Difference]: Start difference. First operand has 108 places, 95 transitions, 400 flow. Second operand 12 states and 824 transitions. [2020-10-11 18:27:53,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 109 transitions, 525 flow [2020-10-11 18:27:53,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 109 transitions, 477 flow, removed 19 selfloop flow, removed 9 redundant places. [2020-10-11 18:27:53,123 INFO L241 Difference]: Finished difference. Result has 116 places, 95 transitions, 420 flow [2020-10-11 18:27:53,124 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=420, PETRI_PLACES=116, PETRI_TRANSITIONS=95} [2020-10-11 18:27:53,124 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 35 predicate places. [2020-10-11 18:27:53,124 INFO L481 AbstractCegarLoop]: Abstraction has has 116 places, 95 transitions, 420 flow [2020-10-11 18:27:53,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 18:27:53,124 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:53,124 INFO L255 CegarLoopForPetriNet]: 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, 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] [2020-10-11 18:27:53,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 18:27:53,125 INFO L429 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:53,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:53,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1038925904, now seen corresponding path program 1 times [2020-10-11 18:27:53,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:53,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256351294] [2020-10-11 18:27:53,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:53,754 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2020-10-11 18:27:54,116 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-11 18:27:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:54,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256351294] [2020-10-11 18:27:54,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:54,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-11 18:27:54,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451696394] [2020-10-11 18:27:54,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 18:27:54,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:54,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 18:27:54,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-11 18:27:56,826 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 78 [2020-10-11 18:27:56,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 95 transitions, 420 flow. Second operand 15 states. [2020-10-11 18:27:56,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:56,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 78 [2020-10-11 18:27:56,828 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:57,589 INFO L129 PetriNetUnfolder]: 41/358 cut-off events. [2020-10-11 18:27:57,590 INFO L130 PetriNetUnfolder]: For 463/465 co-relation queries the response was YES. [2020-10-11 18:27:57,592 INFO L80 FinitePrefix]: Finished finitePrefix Result has 915 conditions, 358 events. 41/358 cut-off events. For 463/465 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2487 event pairs, 0 based on Foata normal form. 3/348 useless extension candidates. Maximal degree in co-relation 859. Up to 46 conditions per place. [2020-10-11 18:27:57,593 INFO L132 encePairwiseOnDemand]: 65/78 looper letters, 25 selfloop transitions, 8 changer transitions 19/110 dead transitions. [2020-10-11 18:27:57,593 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 110 transitions, 590 flow [2020-10-11 18:27:57,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-11 18:27:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-11 18:27:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 807 transitions. [2020-10-11 18:27:57,596 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.739010989010989 [2020-10-11 18:27:57,597 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 807 transitions. [2020-10-11 18:27:57,597 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 807 transitions. [2020-10-11 18:27:57,597 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:57,598 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 807 transitions. [2020-10-11 18:27:57,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 15 states. [2020-10-11 18:27:57,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 15 states. [2020-10-11 18:27:57,602 INFO L81 ComplementDD]: Finished complementDD. Result 15 states. [2020-10-11 18:27:57,602 INFO L185 Difference]: Start difference. First operand has 116 places, 95 transitions, 420 flow. Second operand 14 states and 807 transitions. [2020-10-11 18:27:57,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 110 transitions, 590 flow [2020-10-11 18:27:57,606 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 110 transitions, 547 flow, removed 8 selfloop flow, removed 10 redundant places. [2020-10-11 18:27:57,609 INFO L241 Difference]: Finished difference. Result has 123 places, 91 transitions, 398 flow [2020-10-11 18:27:57,609 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=398, PETRI_PLACES=123, PETRI_TRANSITIONS=91} [2020-10-11 18:27:57,609 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 42 predicate places. [2020-10-11 18:27:57,610 INFO L481 AbstractCegarLoop]: Abstraction has has 123 places, 91 transitions, 398 flow [2020-10-11 18:27:57,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 18:27:57,610 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 18:27:57,610 INFO L255 CegarLoopForPetriNet]: 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, 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] [2020-10-11 18:27:57,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 18:27:57,610 INFO L429 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 18:27:57,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 18:27:57,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1454046450, now seen corresponding path program 2 times [2020-10-11 18:27:57,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 18:27:57,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337161788] [2020-10-11 18:27:57,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 18:27:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 18:27:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 18:27:57,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337161788] [2020-10-11 18:27:57,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 18:27:57,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-11 18:27:57,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803145147] [2020-10-11 18:27:57,754 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-11 18:27:57,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 18:27:57,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-11 18:27:57,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-11 18:27:57,945 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 78 [2020-10-11 18:27:57,946 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 91 transitions, 398 flow. Second operand 6 states. [2020-10-11 18:27:57,946 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 18:27:57,946 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 78 [2020-10-11 18:27:57,946 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 18:27:58,032 INFO L129 PetriNetUnfolder]: 22/210 cut-off events. [2020-10-11 18:27:58,032 INFO L130 PetriNetUnfolder]: For 141/141 co-relation queries the response was YES. [2020-10-11 18:27:58,033 INFO L80 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 210 events. 22/210 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1096 event pairs, 0 based on Foata normal form. 1/204 useless extension candidates. Maximal degree in co-relation 487. Up to 25 conditions per place. [2020-10-11 18:27:58,034 INFO L132 encePairwiseOnDemand]: 73/78 looper letters, 0 selfloop transitions, 0 changer transitions 89/89 dead transitions. [2020-10-11 18:27:58,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 89 transitions, 408 flow [2020-10-11 18:27:58,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-11 18:27:58,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-11 18:27:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 411 transitions. [2020-10-11 18:27:58,036 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8782051282051282 [2020-10-11 18:27:58,036 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 411 transitions. [2020-10-11 18:27:58,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 411 transitions. [2020-10-11 18:27:58,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 18:27:58,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 411 transitions. [2020-10-11 18:27:58,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-11 18:27:58,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-11 18:27:58,039 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-11 18:27:58,039 INFO L185 Difference]: Start difference. First operand has 123 places, 91 transitions, 398 flow. Second operand 6 states and 411 transitions. [2020-10-11 18:27:58,040 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 89 transitions, 408 flow [2020-10-11 18:27:58,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 89 transitions, 368 flow, removed 8 selfloop flow, removed 15 redundant places. [2020-10-11 18:27:58,043 INFO L241 Difference]: Finished difference. Result has 104 places, 0 transitions, 0 flow [2020-10-11 18:27:58,043 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=104, PETRI_TRANSITIONS=0} [2020-10-11 18:27:58,044 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 23 predicate places. [2020-10-11 18:27:58,044 INFO L481 AbstractCegarLoop]: Abstraction has has 104 places, 0 transitions, 0 flow [2020-10-11 18:27:58,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-11 18:27:58,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 18:27:58,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 06:27:58 BasicIcfg [2020-10-11 18:27:58,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 18:27:58,052 INFO L168 Benchmark]: Toolchain (without parser) took 20981.79 ms. Allocated memory was 249.0 MB in the beginning and 616.0 MB in the end (delta: 367.0 MB). Free memory was 204.2 MB in the beginning and 420.9 MB in the end (delta: -216.7 MB). Peak memory consumption was 150.3 MB. Max. memory is 14.2 GB. [2020-10-11 18:27:58,053 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 18:27:58,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 790.37 ms. Allocated memory was 249.0 MB in the beginning and 312.0 MB in the end (delta: 62.9 MB). Free memory was 204.2 MB in the beginning and 259.6 MB in the end (delta: -55.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.2 GB. [2020-10-11 18:27:58,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.48 ms. Allocated memory is still 312.0 MB. Free memory was 259.6 MB in the beginning and 257.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:27:58,059 INFO L168 Benchmark]: Boogie Preprocessor took 47.98 ms. Allocated memory is still 312.0 MB. Free memory was 257.1 MB in the beginning and 254.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 18:27:58,060 INFO L168 Benchmark]: RCFGBuilder took 3547.85 ms. Allocated memory was 312.0 MB in the beginning and 373.3 MB in the end (delta: 61.3 MB). Free memory was 254.6 MB in the beginning and 191.0 MB in the end (delta: 63.6 MB). Peak memory consumption was 143.0 MB. Max. memory is 14.2 GB. [2020-10-11 18:27:58,066 INFO L168 Benchmark]: TraceAbstraction took 16515.72 ms. Allocated memory was 373.3 MB in the beginning and 616.0 MB in the end (delta: 242.7 MB). Free memory was 191.0 MB in the beginning and 420.9 MB in the end (delta: -229.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.2 GB. [2020-10-11 18:27:58,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 249.0 MB. Free memory is still 225.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 790.37 ms. Allocated memory was 249.0 MB in the beginning and 312.0 MB in the end (delta: 62.9 MB). Free memory was 204.2 MB in the beginning and 259.6 MB in the end (delta: -55.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 74.48 ms. Allocated memory is still 312.0 MB. Free memory was 259.6 MB in the beginning and 257.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 47.98 ms. Allocated memory is still 312.0 MB. Free memory was 257.1 MB in the beginning and 254.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 3547.85 ms. Allocated memory was 312.0 MB in the beginning and 373.3 MB in the end (delta: 61.3 MB). Free memory was 254.6 MB in the beginning and 191.0 MB in the end (delta: 63.6 MB). Peak memory consumption was 143.0 MB. Max. memory is 14.2 GB. * TraceAbstraction took 16515.72 ms. Allocated memory was 373.3 MB in the beginning and 616.0 MB in the end (delta: 242.7 MB). Free memory was 191.0 MB in the beginning and 420.9 MB in the end (delta: -229.9 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 77 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 16.3s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 325 SDtfs, 570 SDslu, 1937 SDs, 0 SdLazy, 1670 SolverSat, 215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=475occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 581 NumberOfCodeBlocks, 581 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 570 ConstructedInterpolants, 0 QuantifiedInterpolants, 175220 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...