/usr/bin/java -Xmx8000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:17:08,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:17:08,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:17:08,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:17:08,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:17:08,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:17:08,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:17:08,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:17:08,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:17:08,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:17:08,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:17:08,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:17:08,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:17:08,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:17:08,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:17:08,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:17:08,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:17:08,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:17:08,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:17:08,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:17:08,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:17:08,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:17:08,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:17:08,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:17:08,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-21 22:17:08,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:17:08,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:17:08,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:17:08,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:17:08,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:17:08,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:17:08,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:17:08,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:17:08,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:17:08,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:17:08,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:17:08,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 22:17:08,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:17:08,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:17:08,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:17:08,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:17:08,900 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:17:08,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:17:08,901 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:17:08,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:17:08,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:17:08,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:17:08,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:17:08,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:17:08,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:17:08,903 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:17:08,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:17:08,904 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:17:08,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:17:08,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:17:08,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:17:08,905 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:17:08,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:17:08,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:17:08,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:17:08,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 22:17:08,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:17:08,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:17:08,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:17:08,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:17:08,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 22:17:08,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 22:17:09,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:17:09,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:17:09,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:17:09,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:17:09,256 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:17:09,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2020-10-21 22:17:09,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848551b60/e8f594fa66e64660affd43e7c3fd7093/FLAGccafd0503 [2020-10-21 22:17:09,869 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:17:09,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2020-10-21 22:17:09,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848551b60/e8f594fa66e64660affd43e7c3fd7093/FLAGccafd0503 [2020-10-21 22:17:10,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848551b60/e8f594fa66e64660affd43e7c3fd7093 [2020-10-21 22:17:10,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:17:10,164 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:17:10,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:17:10,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:17:10,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:17:10,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:10,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0b599b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10, skipping insertion in model container [2020-10-21 22:17:10,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:10,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:17:10,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:17:10,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:17:10,775 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:17:10,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:17:10,931 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:17:10,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10 WrapperNode [2020-10-21 22:17:10,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:17:10,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:17:10,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:17:10,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:17:10,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:10,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:10,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:17:10,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:17:10,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:17:10,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:17:11,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (1/1) ... [2020-10-21 22:17:11,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:17:11,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:17:11,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:17:11,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:17:11,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (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 [2020-10-21 22:17:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:17:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:17:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 22:17:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:17:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure ftw [2020-10-21 22:17:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 22:17:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-21 22:17:11,109 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-21 22:17:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:17:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:17:11,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:17:11,112 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:17:11,554 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:17:11,554 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-21 22:17:11,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:17:11 BoogieIcfgContainer [2020-10-21 22:17:11,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:17:11,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:17:11,558 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:17:11,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:17:11,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:17:10" (1/3) ... [2020-10-21 22:17:11,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb7c3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:17:11, skipping insertion in model container [2020-10-21 22:17:11,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:17:10" (2/3) ... [2020-10-21 22:17:11,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eb7c3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:17:11, skipping insertion in model container [2020-10-21 22:17:11,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:17:11" (3/3) ... [2020-10-21 22:17:11,565 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_20-callback_racefree.i [2020-10-21 22:17:11,577 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:17:11,577 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:17:11,584 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 22:17:11,585 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:17:11,609 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,610 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,610 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,610 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,611 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,612 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,613 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,613 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,613 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,613 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,613 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,614 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,615 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,618 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,618 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,619 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:11,631 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-21 22:17:11,646 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 22:17:11,668 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:17:11,668 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:17:11,668 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:17:11,668 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:17:11,669 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:17:11,669 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:17:11,669 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:17:11,669 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:17:11,684 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:17:11,687 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 88 transitions, 184 flow [2020-10-21 22:17:11,690 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 88 transitions, 184 flow [2020-10-21 22:17:11,692 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 88 transitions, 184 flow [2020-10-21 22:17:11,751 INFO L129 PetriNetUnfolder]: 9/105 cut-off events. [2020-10-21 22:17:11,752 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-21 22:17:11,764 INFO L80 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 105 events. 9/105 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 161 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 53. Up to 4 conditions per place. [2020-10-21 22:17:11,768 INFO L116 LiptonReduction]: Number of co-enabled transitions 1056 [2020-10-21 22:17:13,392 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-21 22:17:13,503 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-21 22:17:14,338 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2020-10-21 22:17:14,581 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-21 22:17:15,373 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2020-10-21 22:17:15,703 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-21 22:17:15,706 INFO L131 LiptonReduction]: Checked pairs total: 991 [2020-10-21 22:17:15,706 INFO L133 LiptonReduction]: Total number of compositions: 88 [2020-10-21 22:17:15,714 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 14 transitions, 36 flow [2020-10-21 22:17:15,723 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 35 states. [2020-10-21 22:17:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-10-21 22:17:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:17:15,732 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:15,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:17:15,733 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:15,739 INFO L82 PathProgramCache]: Analyzing trace with hash 336516971, now seen corresponding path program 1 times [2020-10-21 22:17:15,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:15,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224595724] [2020-10-21 22:17:15,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:17:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:17:15,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224595724] [2020-10-21 22:17:15,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:17:15,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:17:15,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305015922] [2020-10-21 22:17:15,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:17:15,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:17:15,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:17:15,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:15,983 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-10-21 22:17:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:17:16,003 INFO L93 Difference]: Finished difference Result 28 states and 40 transitions. [2020-10-21 22:17:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:17:16,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:17:16,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:17:16,015 INFO L225 Difference]: With dead ends: 28 [2020-10-21 22:17:16,015 INFO L226 Difference]: Without dead ends: 15 [2020-10-21 22:17:16,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-21 22:17:16,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-21 22:17:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-21 22:17:16,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2020-10-21 22:17:16,049 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 5 [2020-10-21 22:17:16,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:17:16,050 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. [2020-10-21 22:17:16,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:17:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2020-10-21 22:17:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-21 22:17:16,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:16,051 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-21 22:17:16,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:17:16,051 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:16,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:16,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1842092674, now seen corresponding path program 1 times [2020-10-21 22:17:16,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:16,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124554843] [2020-10-21 22:17:16,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:16,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:16,125 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:16,150 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:17:16,151 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:17:16,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:17:16,154 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 22:17:16,154 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-21 22:17:16,162 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,163 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,163 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,163 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,164 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,165 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,165 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,165 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,165 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,166 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,166 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,167 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,167 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,167 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,168 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,169 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,169 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,170 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,170 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,170 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,170 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,171 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,172 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,172 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,173 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,173 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,175 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,175 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,176 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,176 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:16,179 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-10-21 22:17:16,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 22:17:16,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:17:16,180 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:17:16,180 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:17:16,180 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:17:16,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:17:16,180 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:17:16,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:17:16,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:17:16,183 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:17:16,184 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 107 places, 114 transitions, 246 flow [2020-10-21 22:17:16,184 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 107 places, 114 transitions, 246 flow [2020-10-21 22:17:16,184 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 114 transitions, 246 flow [2020-10-21 22:17:16,234 INFO L129 PetriNetUnfolder]: 18/171 cut-off events. [2020-10-21 22:17:16,235 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-21 22:17:16,238 INFO L80 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 171 events. 18/171 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 397 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 107. Up to 8 conditions per place. [2020-10-21 22:17:16,247 INFO L116 LiptonReduction]: Number of co-enabled transitions 3792 [2020-10-21 22:17:18,035 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-21 22:17:19,386 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2020-10-21 22:17:19,701 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-21 22:17:19,709 INFO L131 LiptonReduction]: Checked pairs total: 4861 [2020-10-21 22:17:19,710 INFO L133 LiptonReduction]: Total number of compositions: 108 [2020-10-21 22:17:19,710 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 30 transitions, 78 flow [2020-10-21 22:17:19,745 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380 states. [2020-10-21 22:17:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states. [2020-10-21 22:17:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:17:19,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:19,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:17:19,747 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:19,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:19,748 INFO L82 PathProgramCache]: Analyzing trace with hash 573342158, now seen corresponding path program 1 times [2020-10-21 22:17:19,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:19,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417459785] [2020-10-21 22:17:19,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:17:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:17:19,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417459785] [2020-10-21 22:17:19,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:17:19,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:17:19,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131301865] [2020-10-21 22:17:19,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:17:19,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:17:19,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:17:19,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:19,852 INFO L87 Difference]: Start difference. First operand 380 states. Second operand 3 states. [2020-10-21 22:17:19,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:17:19,880 INFO L93 Difference]: Finished difference Result 278 states and 636 transitions. [2020-10-21 22:17:19,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:17:19,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:17:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:17:19,885 INFO L225 Difference]: With dead ends: 278 [2020-10-21 22:17:19,885 INFO L226 Difference]: Without dead ends: 148 [2020-10-21 22:17:19,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:19,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-21 22:17:19,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-10-21 22:17:19,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-21 22:17:19,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 339 transitions. [2020-10-21 22:17:19,907 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 339 transitions. Word has length 5 [2020-10-21 22:17:19,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:17:19,907 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 339 transitions. [2020-10-21 22:17:19,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:17:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 339 transitions. [2020-10-21 22:17:19,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-21 22:17:19,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:19,909 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-21 22:17:19,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:17:19,910 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:19,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:19,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1578633964, now seen corresponding path program 1 times [2020-10-21 22:17:19,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:19,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169804648] [2020-10-21 22:17:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:19,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:19,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:19,998 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:17:19,998 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:17:19,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:17:19,999 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 22:17:20,001 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-21 22:17:20,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,009 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,010 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,010 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,011 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,011 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,012 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,012 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,012 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,012 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,013 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,014 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,014 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,014 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,016 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,016 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,016 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,017 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,018 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,020 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,020 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,026 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,026 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,027 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:20,036 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-10-21 22:17:20,037 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 22:17:20,037 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:17:20,037 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:17:20,037 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:17:20,037 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:17:20,038 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:17:20,038 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:17:20,038 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:17:20,038 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:17:20,040 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:17:20,040 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 140 transitions, 310 flow [2020-10-21 22:17:20,041 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 140 transitions, 310 flow [2020-10-21 22:17:20,041 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 130 places, 140 transitions, 310 flow [2020-10-21 22:17:20,097 INFO L129 PetriNetUnfolder]: 32/268 cut-off events. [2020-10-21 22:17:20,097 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-21 22:17:20,101 INFO L80 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 268 events. 32/268 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 781 event pairs, 1 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 179. Up to 16 conditions per place. [2020-10-21 22:17:20,112 INFO L116 LiptonReduction]: Number of co-enabled transitions 7632 [2020-10-21 22:17:22,889 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-10-21 22:17:23,739 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2020-10-21 22:17:24,070 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-21 22:17:24,082 INFO L131 LiptonReduction]: Checked pairs total: 10212 [2020-10-21 22:17:24,082 INFO L133 LiptonReduction]: Total number of compositions: 136 [2020-10-21 22:17:24,082 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 40 transitions, 110 flow [2020-10-21 22:17:24,218 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2534 states. [2020-10-21 22:17:24,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states. [2020-10-21 22:17:24,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:17:24,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:24,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:17:24,219 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:24,220 INFO L82 PathProgramCache]: Analyzing trace with hash 860619360, now seen corresponding path program 1 times [2020-10-21 22:17:24,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:24,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168934235] [2020-10-21 22:17:24,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:17:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:17:24,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168934235] [2020-10-21 22:17:24,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:17:24,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:17:24,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731907075] [2020-10-21 22:17:24,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:17:24,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:17:24,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:17:24,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:24,261 INFO L87 Difference]: Start difference. First operand 2534 states. Second operand 3 states. [2020-10-21 22:17:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:17:24,328 INFO L93 Difference]: Finished difference Result 1578 states and 4737 transitions. [2020-10-21 22:17:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:17:24,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:17:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:17:24,350 INFO L225 Difference]: With dead ends: 1578 [2020-10-21 22:17:24,351 INFO L226 Difference]: Without dead ends: 748 [2020-10-21 22:17:24,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:24,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-10-21 22:17:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2020-10-21 22:17:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 748 states. [2020-10-21 22:17:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 2299 transitions. [2020-10-21 22:17:24,431 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 2299 transitions. Word has length 5 [2020-10-21 22:17:24,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:17:24,432 INFO L481 AbstractCegarLoop]: Abstraction has 748 states and 2299 transitions. [2020-10-21 22:17:24,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:17:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2299 transitions. [2020-10-21 22:17:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:17:24,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:24,439 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-21 22:17:24,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:17:24,439 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:24,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:24,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1824978370, now seen corresponding path program 1 times [2020-10-21 22:17:24,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:24,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369705027] [2020-10-21 22:17:24,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:24,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:24,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:24,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:24,514 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:17:24,515 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:17:24,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:17:24,516 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 22:17:24,516 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-21 22:17:24,526 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,527 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,527 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,528 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,528 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,529 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,529 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,529 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,529 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,530 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,530 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,531 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,533 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,533 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,537 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,539 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,539 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,539 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,539 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,539 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,540 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,542 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,544 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,544 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,552 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,552 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,552 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,552 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,552 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,553 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,554 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,554 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,557 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,558 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,559 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,560 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,561 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,562 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,562 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,563 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,564 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,565 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,565 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,566 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:24,568 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 22:17:24,569 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-21 22:17:24,569 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:17:24,569 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:17:24,569 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:17:24,569 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:17:24,569 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:17:24,569 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:17:24,569 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:17:24,569 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:17:24,572 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:17:24,572 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 166 transitions, 376 flow [2020-10-21 22:17:24,572 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 166 transitions, 376 flow [2020-10-21 22:17:24,573 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 166 transitions, 376 flow [2020-10-21 22:17:24,637 INFO L129 PetriNetUnfolder]: 58/429 cut-off events. [2020-10-21 22:17:24,637 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-10-21 22:17:24,643 INFO L80 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 429 events. 58/429 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1541 event pairs, 6 based on Foata normal form. 0/367 useless extension candidates. Maximal degree in co-relation 288. Up to 32 conditions per place. [2020-10-21 22:17:24,669 INFO L116 LiptonReduction]: Number of co-enabled transitions 12768 [2020-10-21 22:17:27,169 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-21 22:17:27,273 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-21 22:17:27,740 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-21 22:17:27,926 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-21 22:17:28,326 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-10-21 22:17:28,623 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-21 22:17:29,368 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 139 [2020-10-21 22:17:29,712 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-21 22:17:29,718 INFO L131 LiptonReduction]: Checked pairs total: 18461 [2020-10-21 22:17:29,718 INFO L133 LiptonReduction]: Total number of compositions: 162 [2020-10-21 22:17:29,718 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 49 transitions, 142 flow [2020-10-21 22:17:30,800 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 16928 states. [2020-10-21 22:17:30,801 INFO L276 IsEmpty]: Start isEmpty. Operand 16928 states. [2020-10-21 22:17:30,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:17:30,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:30,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:17:30,802 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:30,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:30,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1198446210, now seen corresponding path program 1 times [2020-10-21 22:17:30,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:30,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719059236] [2020-10-21 22:17:30,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:17:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:17:30,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719059236] [2020-10-21 22:17:30,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:17:30,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:17:30,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030899472] [2020-10-21 22:17:30,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:17:30,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:17:30,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:17:30,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:30,831 INFO L87 Difference]: Start difference. First operand 16928 states. Second operand 3 states. [2020-10-21 22:17:30,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:17:30,977 INFO L93 Difference]: Finished difference Result 8978 states and 33358 transitions. [2020-10-21 22:17:30,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:17:30,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:17:30,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:17:31,015 INFO L225 Difference]: With dead ends: 8978 [2020-10-21 22:17:31,015 INFO L226 Difference]: Without dead ends: 3748 [2020-10-21 22:17:31,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:31,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3748 states. [2020-10-21 22:17:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3748 to 3748. [2020-10-21 22:17:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3748 states. [2020-10-21 22:17:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3748 states to 3748 states and 14499 transitions. [2020-10-21 22:17:31,835 INFO L78 Accepts]: Start accepts. Automaton has 3748 states and 14499 transitions. Word has length 5 [2020-10-21 22:17:31,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:17:31,835 INFO L481 AbstractCegarLoop]: Abstraction has 3748 states and 14499 transitions. [2020-10-21 22:17:31,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:17:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3748 states and 14499 transitions. [2020-10-21 22:17:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-21 22:17:31,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:31,840 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2020-10-21 22:17:31,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:17:31,844 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:31,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:31,845 INFO L82 PathProgramCache]: Analyzing trace with hash 730312372, now seen corresponding path program 1 times [2020-10-21 22:17:31,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:31,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337892036] [2020-10-21 22:17:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:31,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:17:31,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:17:31,911 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:17:31,911 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:17:31,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-21 22:17:31,914 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 22:17:31,915 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-21 22:17:31,929 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,930 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,931 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,932 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,932 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,933 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,934 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,935 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,935 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,936 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,937 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,938 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,939 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,939 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,940 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,941 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,942 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,943 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,943 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,944 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,944 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,945 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,945 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,945 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,946 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,946 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,947 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,948 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,949 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,950 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,951 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,954 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,954 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,955 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:17:31,958 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2020-10-21 22:17:31,958 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-21 22:17:31,958 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:17:31,958 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:17:31,958 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:17:31,958 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:17:31,959 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:17:31,959 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:17:31,959 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:17:31,959 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:17:31,961 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:17:31,962 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 192 transitions, 444 flow [2020-10-21 22:17:31,962 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 192 transitions, 444 flow [2020-10-21 22:17:31,962 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 176 places, 192 transitions, 444 flow [2020-10-21 22:17:32,085 INFO L129 PetriNetUnfolder]: 112/722 cut-off events. [2020-10-21 22:17:32,085 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2020-10-21 22:17:32,097 INFO L80 FinitePrefix]: Finished finitePrefix Result has 833 conditions, 722 events. 112/722 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3247 event pairs, 23 based on Foata normal form. 0/621 useless extension candidates. Maximal degree in co-relation 474. Up to 80 conditions per place. [2020-10-21 22:17:32,130 INFO L116 LiptonReduction]: Number of co-enabled transitions 19200 [2020-10-21 22:17:35,424 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2020-10-21 22:17:35,545 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-21 22:17:36,475 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2020-10-21 22:17:36,799 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-21 22:17:36,812 INFO L131 LiptonReduction]: Checked pairs total: 26404 [2020-10-21 22:17:36,812 INFO L133 LiptonReduction]: Total number of compositions: 192 [2020-10-21 22:17:36,813 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 60 transitions, 180 flow [2020-10-21 22:17:59,050 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 113582 states. [2020-10-21 22:17:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 113582 states. [2020-10-21 22:17:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:17:59,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:17:59,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:17:59,051 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:17:59,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:17:59,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1587534915, now seen corresponding path program 1 times [2020-10-21 22:17:59,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:17:59,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942976103] [2020-10-21 22:17:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:17:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:17:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:17:59,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942976103] [2020-10-21 22:17:59,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:17:59,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:17:59,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144201781] [2020-10-21 22:17:59,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:17:59,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:17:59,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:17:59,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:17:59,096 INFO L87 Difference]: Start difference. First operand 113582 states. Second operand 3 states. [2020-10-21 22:18:00,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:18:00,287 INFO L93 Difference]: Finished difference Result 51378 states and 227339 transitions. [2020-10-21 22:18:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:18:00,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:18:00,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:18:00,444 INFO L225 Difference]: With dead ends: 51378 [2020-10-21 22:18:00,444 INFO L226 Difference]: Without dead ends: 18748 [2020-10-21 22:18:00,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:18:01,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18748 states. [2020-10-21 22:18:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18748 to 18748. [2020-10-21 22:18:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18748 states. [2020-10-21 22:18:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18748 states to 18748 states and 87499 transitions. [2020-10-21 22:18:01,806 INFO L78 Accepts]: Start accepts. Automaton has 18748 states and 87499 transitions. Word has length 5 [2020-10-21 22:18:01,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:18:01,807 INFO L481 AbstractCegarLoop]: Abstraction has 18748 states and 87499 transitions. [2020-10-21 22:18:01,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:18:01,807 INFO L276 IsEmpty]: Start isEmpty. Operand 18748 states and 87499 transitions. [2020-10-21 22:18:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-21 22:18:01,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:18:01,815 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:18:01,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-21 22:18:01,816 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:18:01,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:18:01,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1987916709, now seen corresponding path program 1 times [2020-10-21 22:18:01,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:18:01,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536123052] [2020-10-21 22:18:01,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:18:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:18:01,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:18:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:18:01,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:18:01,856 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:18:01,856 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:18:01,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-21 22:18:01,857 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-21 22:18:01,858 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-21 22:18:01,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,869 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,869 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,870 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,870 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,871 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,872 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,873 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,874 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,875 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,876 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,877 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,878 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:01,879 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,372 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,376 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,377 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,377 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,377 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,380 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,381 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,382 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,383 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,383 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,384 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,384 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,384 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,386 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,386 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,387 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,387 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,389 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,390 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,390 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,392 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,392 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,393 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,395 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,396 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,396 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,397 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,397 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,398 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:18:02,403 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2020-10-21 22:18:02,404 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-21 22:18:02,404 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:18:02,404 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:18:02,404 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 22:18:02,404 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:18:02,404 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:18:02,405 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:18:02,405 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:18:02,405 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:18:02,408 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 22:18:02,409 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 218 transitions, 514 flow [2020-10-21 22:18:02,409 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 218 transitions, 514 flow [2020-10-21 22:18:02,409 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 199 places, 218 transitions, 514 flow [2020-10-21 22:18:02,678 INFO L129 PetriNetUnfolder]: 230/1287 cut-off events. [2020-10-21 22:18:02,678 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2020-10-21 22:18:02,709 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1519 conditions, 1287 events. 230/1287 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 7196 event pairs, 72 based on Foata normal form. 0/1115 useless extension candidates. Maximal degree in co-relation 821. Up to 192 conditions per place. [2020-10-21 22:18:02,796 INFO L116 LiptonReduction]: Number of co-enabled transitions 26928 [2020-10-21 22:18:06,804 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-10-21 22:18:06,984 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-21 22:18:07,362 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-21 22:18:07,573 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-21 22:18:08,337 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2020-10-21 22:18:08,657 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-21 22:18:08,671 INFO L131 LiptonReduction]: Checked pairs total: 39538 [2020-10-21 22:18:08,671 INFO L133 LiptonReduction]: Total number of compositions: 219 [2020-10-21 22:18:08,672 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 69 transitions, 216 flow Received shutdown request... [2020-10-21 22:21:32,318 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-21 22:21:32,324 WARN L235 ceAbstractionStarter]: Timeout [2020-10-21 22:21:32,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:21:32 BasicIcfg [2020-10-21 22:21:32,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:21:32,326 INFO L168 Benchmark]: Toolchain (without parser) took 262167.03 ms. Allocated memory was 139.5 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 101.5 MB in the beginning and 969.5 MB in the end (delta: -868.0 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,326 INFO L168 Benchmark]: CDTParser took 3.35 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.40 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 149.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.70 ms. Allocated memory is still 202.4 MB. Free memory was 149.6 MB in the beginning and 147.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,329 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 202.4 MB. Free memory was 147.4 MB in the beginning and 145.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,329 INFO L168 Benchmark]: RCFGBuilder took 525.93 ms. Allocated memory is still 202.4 MB. Free memory was 145.4 MB in the beginning and 118.2 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,337 INFO L168 Benchmark]: TraceAbstraction took 260766.67 ms. Allocated memory was 202.4 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 118.2 MB in the beginning and 969.5 MB in the end (delta: -851.3 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2020-10-21 22:21:32,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.35 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 767.40 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 100.7 MB in the beginning and 149.6 MB in the end (delta: -48.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 59.70 ms. Allocated memory is still 202.4 MB. Free memory was 149.6 MB in the beginning and 147.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.25 ms. Allocated memory is still 202.4 MB. Free memory was 147.4 MB in the beginning and 145.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 525.93 ms. Allocated memory is still 202.4 MB. Free memory was 145.4 MB in the beginning and 118.2 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260766.67 ms. Allocated memory was 202.4 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 118.2 MB in the beginning and 969.5 MB in the end (delta: -851.3 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 732 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 14 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 84 PlacesBefore, 15 PlacesAfterwards, 88 TransitionsBefore, 14 TransitionsAfterwards, 1056 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 88 TotalNumberOfCompositions, 991 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2582 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 49 SemBasedMoverChecksPositive, 12 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 106 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.5s, 107 PlacesBefore, 27 PlacesAfterwards, 114 TransitionsBefore, 30 TransitionsAfterwards, 3792 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 4 ChoiceCompositions, 108 TotalNumberOfCompositions, 4861 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5168 VarBasedMoverChecksPositive, 119 VarBasedMoverChecksNegative, 100 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 205 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 130 PlacesBefore, 35 PlacesAfterwards, 140 TransitionsBefore, 40 TransitionsAfterwards, 7632 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 71 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 25 ConcurrentYvCompositions, 5 ChoiceCompositions, 136 TotalNumberOfCompositions, 10212 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8713 VarBasedMoverChecksPositive, 232 VarBasedMoverChecksNegative, 199 SemBasedMoverChecksPositive, 33 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 379 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.1s, 153 PlacesBefore, 43 PlacesAfterwards, 166 TransitionsBefore, 49 TransitionsAfterwards, 12768 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 87 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 33 ConcurrentYvCompositions, 7 ChoiceCompositions, 162 TotalNumberOfCompositions, 18461 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 13037 VarBasedMoverChecksPositive, 332 VarBasedMoverChecksNegative, 302 SemBasedMoverChecksPositive, 30 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 498 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.8s, 176 PlacesBefore, 51 PlacesAfterwards, 192 TransitionsBefore, 60 TransitionsAfterwards, 19200 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 107 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 43 ConcurrentYvCompositions, 7 ChoiceCompositions, 192 TotalNumberOfCompositions, 26404 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 18582 VarBasedMoverChecksPositive, 585 VarBasedMoverChecksNegative, 531 SemBasedMoverChecksPositive, 54 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 664 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.2s, 199 PlacesBefore, 59 PlacesAfterwards, 218 TransitionsBefore, 69 TransitionsAfterwards, 26928 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 125 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 50 ConcurrentYvCompositions, 9 ChoiceCompositions, 219 TotalNumberOfCompositions, 39538 MoverChecksTotal - TimeoutResultAtElement [Line: 838]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 838). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 59 places, 69 transitions, 216 flow. Already constructed 364202 states. Currently 75031 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 6 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 259.9s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 255.0s, HoareTripleCheckerStatistics: 121 SDtfs, 116 SDslu, 0 SDs, 0 SdLazy, 15 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113582occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown