/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/stack-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 16:51:56,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 16:51:56,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 16:51:56,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 16:51:56,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 16:51:56,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 16:51:56,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 16:51:56,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 16:51:56,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 16:51:56,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 16:51:56,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 16:51:56,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 16:51:56,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 16:51:56,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 16:51:56,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 16:51:56,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 16:51:56,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 16:51:56,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 16:51:56,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 16:51:56,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 16:51:56,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 16:51:56,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 16:51:56,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 16:51:56,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 16:51:56,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 16:51:56,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 16:51:56,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 16:51:56,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 16:51:56,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 16:51:56,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 16:51:56,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 16:51:56,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 16:51:56,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 16:51:56,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 16:51:56,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 16:51:56,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 16:51:56,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 16:51:56,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 16:51:56,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 16:51:56,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 16:51:56,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 16:51:56,593 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 16:51:56,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 16:51:56,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 16:51:56,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 16:51:56,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 16:51:56,617 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 16:51:56,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 16:51:56,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 16:51:56,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 16:51:56,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 16:51:56,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 16:51:56,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 16:51:56,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 16:51:56,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 16:51:56,619 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 16:51:56,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 16:51:56,619 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 16:51:56,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 16:51:56,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 16:51:56,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 16:51:56,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 16:51:56,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 16:51:56,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 16:51:56,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 16:51:56,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 16:51:56,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 16:51:56,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 16:51:56,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 16:51:56,622 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 16:51:56,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 16:51:56,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 16:51:56,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 16:51:56,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 16:51:56,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 16:51:56,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 16:51:56,944 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 16:51:56,945 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2020-10-11 16:51:57,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83401b2a6/b80b1c0665aa49a7af9952791885efd3/FLAG08c5814b4 [2020-10-11 16:51:57,562 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 16:51:57,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2020-10-11 16:51:57,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83401b2a6/b80b1c0665aa49a7af9952791885efd3/FLAG08c5814b4 [2020-10-11 16:51:57,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83401b2a6/b80b1c0665aa49a7af9952791885efd3 [2020-10-11 16:51:57,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 16:51:57,908 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 16:51:57,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 16:51:57,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 16:51:57,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 16:51:57,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:51:57" (1/1) ... [2020-10-11 16:51:57,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75508cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:57, skipping insertion in model container [2020-10-11 16:51:57,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:51:57" (1/1) ... [2020-10-11 16:51:57,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 16:51:57,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 16:51:58,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:51:58,585 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 16:51:58,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 16:51:58,782 INFO L208 MainTranslator]: Completed translation [2020-10-11 16:51:58,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58 WrapperNode [2020-10-11 16:51:58,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 16:51:58,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 16:51:58,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 16:51:58,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 16:51:58,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 16:51:58,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 16:51:58,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 16:51:58,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 16:51:58,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (1/1) ... [2020-10-11 16:51:58,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 16:51:58,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 16:51:58,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 16:51:58,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 16:51:58,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (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 16:51:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 16:51:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 16:51:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 16:51:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 16:51:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 16:51:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 16:51:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 16:51:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 16:51:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 16:51:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 16:51:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 16:51:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 16:51:58,975 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 16:51:59,468 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 16:51:59,468 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-11 16:51:59,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:51:59 BoogieIcfgContainer [2020-10-11 16:51:59,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 16:51:59,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 16:51:59,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 16:51:59,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 16:51:59,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:51:57" (1/3) ... [2020-10-11 16:51:59,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47960d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:51:59, skipping insertion in model container [2020-10-11 16:51:59,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:51:58" (2/3) ... [2020-10-11 16:51:59,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47960d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:51:59, skipping insertion in model container [2020-10-11 16:51:59,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:51:59" (3/3) ... [2020-10-11 16:51:59,480 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-1.i [2020-10-11 16:51:59,491 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 16:51:59,498 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-11 16:51:59,499 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 16:51:59,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,538 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,538 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,539 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,540 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,540 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,541 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,542 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,542 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,543 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,543 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,544 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,544 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,545 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,545 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,546 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,546 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,547 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,547 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,548 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,548 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,549 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,550 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,551 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,551 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,552 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,553 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,553 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,554 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,554 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,555 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,556 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,557 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,557 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,558 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,558 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,559 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,560 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,560 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,561 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,561 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,562 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,562 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,563 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,563 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,563 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,564 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,565 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,566 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,567 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,568 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,569 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,569 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,569 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,570 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,574 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,575 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,575 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,575 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,576 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,576 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,577 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,577 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,578 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,578 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,579 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,586 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,587 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,587 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,587 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,587 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,587 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,588 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,588 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,588 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,588 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,588 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,588 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,589 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,589 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,589 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,589 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,589 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,589 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 16:51:59,622 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-11 16:51:59,647 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 16:51:59,648 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 16:51:59,648 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 16:51:59,648 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 16:51:59,648 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 16:51:59,648 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 16:51:59,649 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 16:51:59,649 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 16:51:59,666 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 142 transitions, 306 flow [2020-10-11 16:51:59,758 INFO L129 PetriNetUnfolder]: 11/142 cut-off events. [2020-10-11 16:51:59,758 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 16:51:59,770 INFO L80 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 142 events. 11/142 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 344 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. [2020-10-11 16:51:59,771 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 142 transitions, 306 flow [2020-10-11 16:51:59,779 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 130 transitions, 272 flow [2020-10-11 16:51:59,810 INFO L129 PetriNetUnfolder]: 6/105 cut-off events. [2020-10-11 16:51:59,827 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-11 16:51:59,827 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:51:59,829 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 16:51:59,829 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:51:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:51:59,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1747143968, now seen corresponding path program 1 times [2020-10-11 16:51:59,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:51:59,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989127534] [2020-10-11 16:51:59,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:51:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:00,174 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 16:52:00,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989127534] [2020-10-11 16:52:00,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:52:00,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:52:00,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884024322] [2020-10-11 16:52:00,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:52:00,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:00,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:52:00,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:52:00,291 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 142 [2020-10-11 16:52:00,293 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 130 transitions, 272 flow. Second operand 3 states. [2020-10-11 16:52:00,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:00,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 142 [2020-10-11 16:52:00,295 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:00,424 INFO L129 PetriNetUnfolder]: 19/314 cut-off events. [2020-10-11 16:52:00,425 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2020-10-11 16:52:00,431 INFO L80 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 314 events. 19/314 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 741 event pairs, 3 based on Foata normal form. 36/325 useless extension candidates. Maximal degree in co-relation 310. Up to 23 conditions per place. [2020-10-11 16:52:00,435 INFO L132 encePairwiseOnDemand]: 132/142 looper letters, 5 selfloop transitions, 3 changer transitions 0/126 dead transitions. [2020-10-11 16:52:00,436 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 126 transitions, 280 flow [2020-10-11 16:52:00,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:52:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:52:00,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2020-10-11 16:52:00,462 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9624413145539906 [2020-10-11 16:52:00,463 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2020-10-11 16:52:00,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2020-10-11 16:52:00,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:00,472 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2020-10-11 16:52:00,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:52:00,492 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:52:00,492 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:52:00,495 INFO L185 Difference]: Start difference. First operand has 126 places, 130 transitions, 272 flow. Second operand 3 states and 410 transitions. [2020-10-11 16:52:00,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 126 transitions, 280 flow [2020-10-11 16:52:00,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 126 transitions, 272 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-11 16:52:00,522 INFO L241 Difference]: Finished difference. Result has 125 places, 126 transitions, 271 flow [2020-10-11 16:52:00,528 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=271, PETRI_PLACES=125, PETRI_TRANSITIONS=126} [2020-10-11 16:52:00,529 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, -1 predicate places. [2020-10-11 16:52:00,529 INFO L481 AbstractCegarLoop]: Abstraction has has 125 places, 126 transitions, 271 flow [2020-10-11 16:52:00,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:52:00,530 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:00,530 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, 1] [2020-10-11 16:52:00,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 16:52:00,531 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:00,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:00,531 INFO L82 PathProgramCache]: Analyzing trace with hash -323937217, now seen corresponding path program 1 times [2020-10-11 16:52:00,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:00,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975944194] [2020-10-11 16:52:00,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:00,674 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 16:52:00,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975944194] [2020-10-11 16:52:00,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:52:00,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 16:52:00,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794026199] [2020-10-11 16:52:00,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-11 16:52:00,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:00,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-11 16:52:00,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-11 16:52:00,771 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 142 [2020-10-11 16:52:00,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 126 transitions, 271 flow. Second operand 4 states. [2020-10-11 16:52:00,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:00,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 142 [2020-10-11 16:52:00,772 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:00,860 INFO L129 PetriNetUnfolder]: 15/362 cut-off events. [2020-10-11 16:52:00,861 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2020-10-11 16:52:00,864 INFO L80 FinitePrefix]: Finished finitePrefix Result has 409 conditions, 362 events. 15/362 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 880 event pairs, 1 based on Foata normal form. 2/343 useless extension candidates. Maximal degree in co-relation 340. Up to 17 conditions per place. [2020-10-11 16:52:00,866 INFO L132 encePairwiseOnDemand]: 137/142 looper letters, 7 selfloop transitions, 4 changer transitions 0/129 dead transitions. [2020-10-11 16:52:00,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 129 transitions, 299 flow [2020-10-11 16:52:00,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-11 16:52:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-11 16:52:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2020-10-11 16:52:00,868 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9295774647887324 [2020-10-11 16:52:00,869 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 528 transitions. [2020-10-11 16:52:00,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 528 transitions. [2020-10-11 16:52:00,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:00,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 528 transitions. [2020-10-11 16:52:00,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-11 16:52:00,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-11 16:52:00,872 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-11 16:52:00,872 INFO L185 Difference]: Start difference. First operand has 125 places, 126 transitions, 271 flow. Second operand 4 states and 528 transitions. [2020-10-11 16:52:00,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 129 transitions, 299 flow [2020-10-11 16:52:00,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 129 transitions, 296 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 16:52:00,878 INFO L241 Difference]: Finished difference. Result has 129 places, 129 transitions, 296 flow [2020-10-11 16:52:00,878 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=296, PETRI_PLACES=129, PETRI_TRANSITIONS=129} [2020-10-11 16:52:00,879 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, 3 predicate places. [2020-10-11 16:52:00,879 INFO L481 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 296 flow [2020-10-11 16:52:00,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-11 16:52:00,880 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:00,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 16:52:00,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 16:52:00,880 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:00,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:00,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1423191032, now seen corresponding path program 1 times [2020-10-11 16:52:00,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:00,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867738045] [2020-10-11 16:52:00,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:01,037 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 16:52:01,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867738045] [2020-10-11 16:52:01,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:52:01,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:52:01,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904518729] [2020-10-11 16:52:01,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:52:01,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:01,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:52:01,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:52:01,131 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 142 [2020-10-11 16:52:01,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 129 transitions, 296 flow. Second operand 3 states. [2020-10-11 16:52:01,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:01,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 142 [2020-10-11 16:52:01,132 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:01,221 INFO L129 PetriNetUnfolder]: 13/371 cut-off events. [2020-10-11 16:52:01,222 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 16:52:01,224 INFO L80 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 371 events. 13/371 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1125 event pairs, 2 based on Foata normal form. 9/361 useless extension candidates. Maximal degree in co-relation 374. Up to 13 conditions per place. [2020-10-11 16:52:01,226 INFO L132 encePairwiseOnDemand]: 138/142 looper letters, 2 selfloop transitions, 4 changer transitions 0/129 dead transitions. [2020-10-11 16:52:01,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 129 transitions, 308 flow [2020-10-11 16:52:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:52:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:52:01,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2020-10-11 16:52:01,228 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9413145539906104 [2020-10-11 16:52:01,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 401 transitions. [2020-10-11 16:52:01,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 401 transitions. [2020-10-11 16:52:01,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:01,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 401 transitions. [2020-10-11 16:52:01,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:52:01,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:52:01,232 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:52:01,232 INFO L185 Difference]: Start difference. First operand has 129 places, 129 transitions, 296 flow. Second operand 3 states and 401 transitions. [2020-10-11 16:52:01,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 129 transitions, 308 flow [2020-10-11 16:52:01,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 129 transitions, 306 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 16:52:01,242 INFO L241 Difference]: Finished difference. Result has 130 places, 129 transitions, 302 flow [2020-10-11 16:52:01,242 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=130, PETRI_TRANSITIONS=129} [2020-10-11 16:52:01,243 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, 4 predicate places. [2020-10-11 16:52:01,243 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 129 transitions, 302 flow [2020-10-11 16:52:01,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:52:01,243 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:01,244 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, 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 16:52:01,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 16:52:01,244 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:01,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:01,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1697063890, now seen corresponding path program 1 times [2020-10-11 16:52:01,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:01,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386827595] [2020-10-11 16:52:01,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:01,396 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 16:52:01,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386827595] [2020-10-11 16:52:01,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:52:01,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 16:52:01,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897292994] [2020-10-11 16:52:01,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 16:52:01,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:01,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 16:52:01,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 16:52:01,479 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 142 [2020-10-11 16:52:01,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 129 transitions, 302 flow. Second operand 3 states. [2020-10-11 16:52:01,480 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:01,480 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 142 [2020-10-11 16:52:01,480 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:01,538 INFO L129 PetriNetUnfolder]: 12/363 cut-off events. [2020-10-11 16:52:01,539 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2020-10-11 16:52:01,540 INFO L80 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 363 events. 12/363 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 937 event pairs, 1 based on Foata normal form. 3/350 useless extension candidates. Maximal degree in co-relation 383. Up to 14 conditions per place. [2020-10-11 16:52:01,541 INFO L132 encePairwiseOnDemand]: 136/142 looper letters, 6 selfloop transitions, 4 changer transitions 0/129 dead transitions. [2020-10-11 16:52:01,542 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 129 transitions, 326 flow [2020-10-11 16:52:01,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 16:52:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-11 16:52:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 401 transitions. [2020-10-11 16:52:01,544 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9413145539906104 [2020-10-11 16:52:01,544 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 401 transitions. [2020-10-11 16:52:01,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 401 transitions. [2020-10-11 16:52:01,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:01,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 401 transitions. [2020-10-11 16:52:01,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-11 16:52:01,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-11 16:52:01,547 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-11 16:52:01,547 INFO L185 Difference]: Start difference. First operand has 130 places, 129 transitions, 302 flow. Second operand 3 states and 401 transitions. [2020-10-11 16:52:01,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 129 transitions, 326 flow [2020-10-11 16:52:01,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 129 transitions, 322 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-11 16:52:01,551 INFO L241 Difference]: Finished difference. Result has 131 places, 129 transitions, 326 flow [2020-10-11 16:52:01,552 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=131, PETRI_TRANSITIONS=129} [2020-10-11 16:52:01,552 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, 5 predicate places. [2020-10-11 16:52:01,552 INFO L481 AbstractCegarLoop]: Abstraction has has 131 places, 129 transitions, 326 flow [2020-10-11 16:52:01,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 16:52:01,553 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:01,553 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:01,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 16:52:01,553 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:01,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:01,554 INFO L82 PathProgramCache]: Analyzing trace with hash -43774649, now seen corresponding path program 1 times [2020-10-11 16:52:01,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:01,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450110467] [2020-10-11 16:52:01,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:01,640 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:52:01,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450110467] [2020-10-11 16:52:01,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096316083] [2020-10-11 16:52:01,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:52:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:01,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-11 16:52:01,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 16:52:01,831 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:52:01,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 16:52:01,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-10-11 16:52:01,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200942353] [2020-10-11 16:52:01,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-11 16:52:01,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:01,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-11 16:52:01,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-11 16:52:02,100 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 142 [2020-10-11 16:52:02,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 129 transitions, 326 flow. Second operand 7 states. [2020-10-11 16:52:02,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:02,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 142 [2020-10-11 16:52:02,101 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:02,276 INFO L129 PetriNetUnfolder]: 18/523 cut-off events. [2020-10-11 16:52:02,276 INFO L130 PetriNetUnfolder]: For 100/100 co-relation queries the response was YES. [2020-10-11 16:52:02,279 INFO L80 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 523 events. 18/523 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1501 event pairs, 0 based on Foata normal form. 5/504 useless extension candidates. Maximal degree in co-relation 610. Up to 29 conditions per place. [2020-10-11 16:52:02,282 INFO L132 encePairwiseOnDemand]: 134/142 looper letters, 20 selfloop transitions, 11 changer transitions 0/145 dead transitions. [2020-10-11 16:52:02,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 145 transitions, 444 flow [2020-10-11 16:52:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 16:52:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-11 16:52:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1156 transitions. [2020-10-11 16:52:02,287 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9045383411580594 [2020-10-11 16:52:02,287 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1156 transitions. [2020-10-11 16:52:02,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1156 transitions. [2020-10-11 16:52:02,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:02,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1156 transitions. [2020-10-11 16:52:02,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 10 states. [2020-10-11 16:52:02,297 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 10 states. [2020-10-11 16:52:02,297 INFO L81 ComplementDD]: Finished complementDD. Result 10 states. [2020-10-11 16:52:02,297 INFO L185 Difference]: Start difference. First operand has 131 places, 129 transitions, 326 flow. Second operand 9 states and 1156 transitions. [2020-10-11 16:52:02,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 145 transitions, 444 flow [2020-10-11 16:52:02,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 145 transitions, 426 flow, removed 3 selfloop flow, removed 2 redundant places. [2020-10-11 16:52:02,305 INFO L241 Difference]: Finished difference. Result has 141 places, 138 transitions, 400 flow [2020-10-11 16:52:02,306 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=400, PETRI_PLACES=141, PETRI_TRANSITIONS=138} [2020-10-11 16:52:02,306 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, 15 predicate places. [2020-10-11 16:52:02,307 INFO L481 AbstractCegarLoop]: Abstraction has has 141 places, 138 transitions, 400 flow [2020-10-11 16:52:02,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-11 16:52:02,307 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:02,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:02,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:52:02,521 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:02,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1624861471, now seen corresponding path program 1 times [2020-10-11 16:52:02,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:02,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299867938] [2020-10-11 16:52:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:03,988 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 16:52:03,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299867938] [2020-10-11 16:52:03,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 16:52:03,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2020-10-11 16:52:03,989 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767020555] [2020-10-11 16:52:03,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-11 16:52:03,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:03,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-11 16:52:03,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2020-10-11 16:52:38,184 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 142 [2020-10-11 16:52:38,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 138 transitions, 400 flow. Second operand 27 states. [2020-10-11 16:52:38,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:38,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 142 [2020-10-11 16:52:38,187 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:38,646 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-10-11 16:52:41,025 INFO L129 PetriNetUnfolder]: 151/1270 cut-off events. [2020-10-11 16:52:41,025 INFO L130 PetriNetUnfolder]: For 250/250 co-relation queries the response was YES. [2020-10-11 16:52:41,030 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2263 conditions, 1270 events. 151/1270 cut-off events. For 250/250 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 6293 event pairs, 5 based on Foata normal form. 4/1220 useless extension candidates. Maximal degree in co-relation 1057. Up to 306 conditions per place. [2020-10-11 16:52:41,035 INFO L132 encePairwiseOnDemand]: 108/142 looper letters, 139 selfloop transitions, 33 changer transitions 2/250 dead transitions. [2020-10-11 16:52:41,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 250 transitions, 1102 flow [2020-10-11 16:52:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-11 16:52:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-11 16:52:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2780 transitions. [2020-10-11 16:52:41,045 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.6117957746478874 [2020-10-11 16:52:41,045 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 2780 transitions. [2020-10-11 16:52:41,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 2780 transitions. [2020-10-11 16:52:41,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:41,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 2780 transitions. [2020-10-11 16:52:41,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 33 states. [2020-10-11 16:52:41,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 33 states. [2020-10-11 16:52:41,065 INFO L81 ComplementDD]: Finished complementDD. Result 33 states. [2020-10-11 16:52:41,065 INFO L185 Difference]: Start difference. First operand has 141 places, 138 transitions, 400 flow. Second operand 32 states and 2780 transitions. [2020-10-11 16:52:41,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 250 transitions, 1102 flow [2020-10-11 16:52:41,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 250 transitions, 1088 flow, removed 6 selfloop flow, removed 1 redundant places. [2020-10-11 16:52:41,076 INFO L241 Difference]: Finished difference. Result has 192 places, 164 transitions, 631 flow [2020-10-11 16:52:41,077 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=631, PETRI_PLACES=192, PETRI_TRANSITIONS=164} [2020-10-11 16:52:41,077 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, 66 predicate places. [2020-10-11 16:52:41,077 INFO L481 AbstractCegarLoop]: Abstraction has has 192 places, 164 transitions, 631 flow [2020-10-11 16:52:41,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-11 16:52:41,077 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:41,078 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:41,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 16:52:41,078 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:41,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:41,079 INFO L82 PathProgramCache]: Analyzing trace with hash 82080743, now seen corresponding path program 2 times [2020-10-11 16:52:41,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:41,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466656161] [2020-10-11 16:52:41,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:41,223 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:52:41,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466656161] [2020-10-11 16:52:41,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214091144] [2020-10-11 16:52:41,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:52:41,308 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-11 16:52:41,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-11 16:52:41,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-11 16:52:41,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 16:52:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 16:52:41,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 16:52:41,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-10-11 16:52:41,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383093539] [2020-10-11 16:52:41,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 16:52:41,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 16:52:41,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 16:52:41,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-11 16:52:41,738 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 142 [2020-10-11 16:52:41,739 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 164 transitions, 631 flow. Second operand 9 states. [2020-10-11 16:52:41,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 16:52:41,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 142 [2020-10-11 16:52:41,740 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 16:52:42,020 INFO L129 PetriNetUnfolder]: 33/981 cut-off events. [2020-10-11 16:52:42,020 INFO L130 PetriNetUnfolder]: For 406/406 co-relation queries the response was YES. [2020-10-11 16:52:42,026 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1693 conditions, 981 events. 33/981 cut-off events. For 406/406 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4348 event pairs, 0 based on Foata normal form. 3/963 useless extension candidates. Maximal degree in co-relation 1555. Up to 46 conditions per place. [2020-10-11 16:52:42,029 INFO L132 encePairwiseOnDemand]: 135/142 looper letters, 24 selfloop transitions, 18 changer transitions 0/179 dead transitions. [2020-10-11 16:52:42,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 179 transitions, 795 flow [2020-10-11 16:52:42,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 16:52:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-11 16:52:42,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1537 transitions. [2020-10-11 16:52:42,035 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9019953051643192 [2020-10-11 16:52:42,035 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1537 transitions. [2020-10-11 16:52:42,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1537 transitions. [2020-10-11 16:52:42,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 16:52:42,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1537 transitions. [2020-10-11 16:52:42,039 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 13 states. [2020-10-11 16:52:42,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 13 states. [2020-10-11 16:52:42,043 INFO L81 ComplementDD]: Finished complementDD. Result 13 states. [2020-10-11 16:52:42,043 INFO L185 Difference]: Start difference. First operand has 192 places, 164 transitions, 631 flow. Second operand 12 states and 1537 transitions. [2020-10-11 16:52:42,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 179 transitions, 795 flow [2020-10-11 16:52:42,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 179 transitions, 777 flow, removed 2 selfloop flow, removed 7 redundant places. [2020-10-11 16:52:42,050 INFO L241 Difference]: Finished difference. Result has 198 places, 169 transitions, 705 flow [2020-10-11 16:52:42,051 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=613, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=705, PETRI_PLACES=198, PETRI_TRANSITIONS=169} [2020-10-11 16:52:42,051 INFO L341 CegarLoopForPetriNet]: 126 programPoint places, 72 predicate places. [2020-10-11 16:52:42,051 INFO L481 AbstractCegarLoop]: Abstraction has has 198 places, 169 transitions, 705 flow [2020-10-11 16:52:42,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 16:52:42,052 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 16:52:42,052 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:52:42,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 16:52:42,268 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-11 16:52:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 16:52:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash 301116603, now seen corresponding path program 1 times [2020-10-11 16:52:42,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 16:52:42,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424490607] [2020-10-11 16:52:42,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 16:52:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 16:52:42,364 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 42: A-local: [], B-local: [(|t1Thread1of1ForFork0_push_#t~ret35_47| Int)]. [2020-10-11 16:52:42,365 ERROR L253 erpolLogProxyWrapper]: Interpolant 42 not inductive [2020-10-11 16:52:42,365 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 43: A-local: [], B-local: [(|t1Thread1of1ForFork0_push_#t~ret35_47| Int)]. [2020-10-11 16:52:42,366 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 44: A-local: [], B-local: [(|t1Thread1of1ForFork0_push_#t~ret35_47| Int)]. [2020-10-11 16:52:42,367 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 45: A-local: [], B-local: [(|t1Thread1of1ForFork0_push_#t~ret35_47| Int)]. [2020-10-11 16:52:42,368 ERROR L253 erpolLogProxyWrapper]: Symbol error in Interpolant 46: A-local: [], B-local: [(|t1Thread1of1ForFork0_push_#t~ret35_47| Int)]. [2020-10-11 16:52:42,370 ERROR L253 erpolLogProxyWrapper]: Interpolant 47 not inductive [2020-10-11 16:52:42,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 16:52:42,461 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:507) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-11 16:52:42,471 INFO L168 Benchmark]: Toolchain (without parser) took 44558.55 ms. Allocated memory was 250.6 MB in the beginning and 657.5 MB in the end (delta: 406.8 MB). Free memory was 203.2 MB in the beginning and 529.1 MB in the end (delta: -325.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:42,472 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 16:52:42,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.41 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 203.2 MB in the beginning and 240.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:42,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.63 ms. Allocated memory is still 312.5 MB. Free memory was 240.4 MB in the beginning and 237.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:42,475 INFO L168 Benchmark]: Boogie Preprocessor took 35.41 ms. Allocated memory is still 312.5 MB. Free memory was 237.9 MB in the beginning and 235.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:42,476 INFO L168 Benchmark]: RCFGBuilder took 564.11 ms. Allocated memory is still 312.5 MB. Free memory was 235.4 MB in the beginning and 200.9 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:42,479 INFO L168 Benchmark]: TraceAbstraction took 42992.36 ms. Allocated memory was 312.5 MB in the beginning and 657.5 MB in the end (delta: 345.0 MB). Free memory was 200.9 MB in the beginning and 529.1 MB in the end (delta: -328.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.2 GB. [2020-10-11 16:52:42,491 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 250.6 MB. Free memory is still 224.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 874.41 ms. Allocated memory was 250.6 MB in the beginning and 312.5 MB in the end (delta: 61.9 MB). Free memory was 203.2 MB in the beginning and 240.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 86.63 ms. Allocated memory is still 312.5 MB. Free memory was 240.4 MB in the beginning and 237.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.41 ms. Allocated memory is still 312.5 MB. Free memory was 237.9 MB in the beginning and 235.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 564.11 ms. Allocated memory is still 312.5 MB. Free memory was 235.4 MB in the beginning and 200.9 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 42992.36 ms. Allocated memory was 312.5 MB in the beginning and 657.5 MB in the end (delta: 345.0 MB). Free memory was 200.9 MB in the beginning and 529.1 MB in the end (delta: -328.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...