/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:43:38,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:43:38,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:43:38,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:43:38,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:43:38,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:43:38,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:43:38,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:43:38,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:43:38,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:43:38,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:43:38,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:43:38,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:43:38,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:43:38,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:43:38,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:43:38,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:43:38,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:43:38,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:43:38,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:43:38,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:43:38,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:43:38,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:43:38,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:43:38,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 12:43:38,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:43:38,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:43:38,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:43:38,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 12:43:38,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:43:38,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:43:38,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:43:38,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:43:38,821 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:43:38,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:43:38,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:43:38,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:43:38,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:43:38,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:43:38,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:43:38,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:43:38,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:43:38,823 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:43:38,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:43:38,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:43:38,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:43:38,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:43:38,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:43:38,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:43:38,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:43:38,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:43:38,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:43:38,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:43:38,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:43:38,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:43:38,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:43:38,826 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 12:43:38,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:43:38,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:43:38,827 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 12:43:39,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:43:39,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:43:39,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:43:39,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:43:39,134 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:43:39,134 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-10-16 12:43:39,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e89571062/f51a3163ef7d4dc5a63d55b9feb588e3/FLAG458f15ba0 [2020-10-16 12:43:39,717 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:43:39,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/48_ticket_lock_low_contention_vs.i [2020-10-16 12:43:39,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e89571062/f51a3163ef7d4dc5a63d55b9feb588e3/FLAG458f15ba0 [2020-10-16 12:43:40,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e89571062/f51a3163ef7d4dc5a63d55b9feb588e3 [2020-10-16 12:43:40,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:43:40,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:43:40,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:43:40,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:43:40,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:43:40,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b586da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40, skipping insertion in model container [2020-10-16 12:43:40,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:43:40,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:43:40,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:43:40,562 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:43:40,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:43:40,680 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:43:40,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40 WrapperNode [2020-10-16 12:43:40,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:43:40,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:43:40,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:43:40,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:43:40,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,734 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:43:40,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:43:40,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:43:40,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:43:40,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... [2020-10-16 12:43:40,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:43:40,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:43:40,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:43:40,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:43:40,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:43:40,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 12:43:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 12:43:40,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 12:43:40,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:43:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:43:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:43:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:43:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:43:40,843 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:43:41,390 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:43:41,391 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-16 12:43:41,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:43:41 BoogieIcfgContainer [2020-10-16 12:43:41,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:43:41,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:43:41,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:43:41,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:43:41,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:43:40" (1/3) ... [2020-10-16 12:43:41,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bf1946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:43:41, skipping insertion in model container [2020-10-16 12:43:41,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:43:40" (2/3) ... [2020-10-16 12:43:41,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15bf1946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:43:41, skipping insertion in model container [2020-10-16 12:43:41,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:43:41" (3/3) ... [2020-10-16 12:43:41,402 INFO L111 eAbstractionObserver]: Analyzing ICFG 48_ticket_lock_low_contention_vs.i [2020-10-16 12:43:41,414 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:43:41,415 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:43:41,422 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-16 12:43:41,423 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:43:41,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,451 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:41,466 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:43:41,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 12:43:41,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:43:41,500 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:43:41,500 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:43:41,500 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:43:41,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:43:41,500 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:43:41,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:43:41,501 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:43:41,514 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:43:41,515 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 72 transitions, 149 flow [2020-10-16 12:43:41,518 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 72 transitions, 149 flow [2020-10-16 12:43:41,520 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 68 places, 72 transitions, 149 flow [2020-10-16 12:43:41,571 INFO L129 PetriNetUnfolder]: 11/110 cut-off events. [2020-10-16 12:43:41,571 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:43:41,577 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 11/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 253 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 61. Up to 4 conditions per place. [2020-10-16 12:43:41,581 INFO L117 LiptonReduction]: Number of co-enabled transitions 1760 [2020-10-16 12:43:42,318 INFO L132 LiptonReduction]: Checked pairs total: 4031 [2020-10-16 12:43:42,319 INFO L134 LiptonReduction]: Total number of compositions: 48 [2020-10-16 12:43:42,327 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 32 transitions, 69 flow [2020-10-16 12:43:42,347 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 207 states. [2020-10-16 12:43:42,350 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-16 12:43:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:43:42,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:42,359 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:43:42,359 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:42,366 INFO L82 PathProgramCache]: Analyzing trace with hash 332034254, now seen corresponding path program 1 times [2020-10-16 12:43:42,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:42,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034884741] [2020-10-16 12:43:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:43:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:43:42,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034884741] [2020-10-16 12:43:42,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:43:42,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:43:42,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1071822447] [2020-10-16 12:43:42,592 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:43:42,595 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:43:42,610 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:43:42,610 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:43:42,615 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:43:42,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:43:42,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:43:42,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:43:42,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:43:42,635 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 2 states. [2020-10-16 12:43:42,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:43:42,653 INFO L93 Difference]: Finished difference Result 207 states and 400 transitions. [2020-10-16 12:43:42,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:43:42,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-16 12:43:42,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:43:42,669 INFO L225 Difference]: With dead ends: 207 [2020-10-16 12:43:42,669 INFO L226 Difference]: Without dead ends: 171 [2020-10-16 12:43:42,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:43:42,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-16 12:43:42,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2020-10-16 12:43:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-16 12:43:42,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 334 transitions. [2020-10-16 12:43:42,732 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 334 transitions. Word has length 5 [2020-10-16 12:43:42,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:43:42,732 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 334 transitions. [2020-10-16 12:43:42,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:43:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2020-10-16 12:43:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 12:43:42,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:42,734 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-16 12:43:42,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:43:42,735 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:42,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:42,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1692548368, now seen corresponding path program 1 times [2020-10-16 12:43:42,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:42,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825416537] [2020-10-16 12:43:42,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:43:42,766 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:43:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:43:42,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:43:42,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:43:42,806 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:43:42,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:43:42,808 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:43:42,809 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 12:43:42,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,821 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,821 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,822 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,822 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,823 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,823 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,824 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,824 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,825 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,826 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,827 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,828 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,829 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,829 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,830 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,830 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,831 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,831 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,835 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,836 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,836 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,837 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,838 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,838 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,843 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,843 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,844 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,844 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,845 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,845 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,846 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:42,849 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:43:42,850 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 12:43:42,850 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:43:42,850 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:43:42,850 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:43:42,850 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:43:42,851 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:43:42,851 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:43:42,851 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:43:42,851 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:43:42,854 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:43:42,854 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 95 transitions, 202 flow [2020-10-16 12:43:42,855 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 95 transitions, 202 flow [2020-10-16 12:43:42,855 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 95 transitions, 202 flow [2020-10-16 12:43:42,894 INFO L129 PetriNetUnfolder]: 18/172 cut-off events. [2020-10-16 12:43:42,894 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 12:43:42,897 INFO L80 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 172 events. 18/172 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 553 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 111. Up to 6 conditions per place. [2020-10-16 12:43:42,904 INFO L117 LiptonReduction]: Number of co-enabled transitions 4532 [2020-10-16 12:43:43,658 INFO L132 LiptonReduction]: Checked pairs total: 12025 [2020-10-16 12:43:43,659 INFO L134 LiptonReduction]: Total number of compositions: 57 [2020-10-16 12:43:43,659 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 50 transitions, 112 flow [2020-10-16 12:43:43,787 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2876 states. [2020-10-16 12:43:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states. [2020-10-16 12:43:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:43:43,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:43,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:43:43,790 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:43,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:43,791 INFO L82 PathProgramCache]: Analyzing trace with hash 498083979, now seen corresponding path program 1 times [2020-10-16 12:43:43,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:43,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791326419] [2020-10-16 12:43:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:43:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:43:43,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791326419] [2020-10-16 12:43:43,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:43:43,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:43:43,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1597256922] [2020-10-16 12:43:43,841 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:43:43,841 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:43:43,842 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:43:43,842 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:43:43,843 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:43:43,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:43:43,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:43:43,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:43:43,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:43:43,846 INFO L87 Difference]: Start difference. First operand 2876 states. Second operand 2 states. [2020-10-16 12:43:43,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:43:43,921 INFO L93 Difference]: Finished difference Result 2876 states and 8402 transitions. [2020-10-16 12:43:43,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:43:43,922 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-16 12:43:43,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:43:43,946 INFO L225 Difference]: With dead ends: 2876 [2020-10-16 12:43:43,946 INFO L226 Difference]: Without dead ends: 2617 [2020-10-16 12:43:43,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:43:43,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2020-10-16 12:43:44,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2617. [2020-10-16 12:43:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2617 states. [2020-10-16 12:43:44,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 7681 transitions. [2020-10-16 12:43:44,060 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 7681 transitions. Word has length 5 [2020-10-16 12:43:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:43:44,060 INFO L481 AbstractCegarLoop]: Abstraction has 2617 states and 7681 transitions. [2020-10-16 12:43:44,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:43:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 7681 transitions. [2020-10-16 12:43:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:43:44,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:44,062 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:43:44,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:43:44,062 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:44,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:44,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1914626582, now seen corresponding path program 1 times [2020-10-16 12:43:44,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:44,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961339464] [2020-10-16 12:43:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:43:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:43:44,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961339464] [2020-10-16 12:43:44,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:43:44,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:43:44,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [828846113] [2020-10-16 12:43:44,133 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:43:44,134 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:43:44,134 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-16 12:43:44,135 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:43:44,135 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:43:44,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:43:44,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:43:44,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:43:44,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:43:44,136 INFO L87 Difference]: Start difference. First operand 2617 states and 7681 transitions. Second operand 3 states. [2020-10-16 12:43:44,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:43:44,206 INFO L93 Difference]: Finished difference Result 2693 states and 7599 transitions. [2020-10-16 12:43:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:43:44,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:43:44,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:43:44,223 INFO L225 Difference]: With dead ends: 2693 [2020-10-16 12:43:44,223 INFO L226 Difference]: Without dead ends: 2220 [2020-10-16 12:43:44,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:43:44,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2020-10-16 12:43:44,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2040. [2020-10-16 12:43:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2040 states. [2020-10-16 12:43:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 5785 transitions. [2020-10-16 12:43:44,294 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 5785 transitions. Word has length 7 [2020-10-16 12:43:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:43:44,295 INFO L481 AbstractCegarLoop]: Abstraction has 2040 states and 5785 transitions. [2020-10-16 12:43:44,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:43:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 5785 transitions. [2020-10-16 12:43:44,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 12:43:44,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:44,296 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-16 12:43:44,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:43:44,297 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:44,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:44,297 INFO L82 PathProgramCache]: Analyzing trace with hash 317205268, now seen corresponding path program 1 times [2020-10-16 12:43:44,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:44,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668763747] [2020-10-16 12:43:44,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:43:44,317 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:43:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:43:44,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:43:44,334 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:43:44,335 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:43:44,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:43:44,335 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:43:44,337 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 12:43:44,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,346 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,346 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,352 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,357 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,362 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,366 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,368 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,368 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,369 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,369 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,370 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,370 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,371 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,371 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,373 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,374 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,374 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,375 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,375 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,376 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,376 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,377 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:44,378 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:43:44,379 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 12:43:44,379 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:43:44,379 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:43:44,379 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:43:44,380 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:43:44,380 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:43:44,380 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:43:44,380 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:43:44,380 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:43:44,383 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:43:44,383 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 118 transitions, 257 flow [2020-10-16 12:43:44,383 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 118 transitions, 257 flow [2020-10-16 12:43:44,383 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 112 places, 118 transitions, 257 flow [2020-10-16 12:43:44,421 INFO L129 PetriNetUnfolder]: 25/234 cut-off events. [2020-10-16 12:43:44,421 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 12:43:44,425 INFO L80 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 234 events. 25/234 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 858 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 176. Up to 8 conditions per place. [2020-10-16 12:43:44,436 INFO L117 LiptonReduction]: Number of co-enabled transitions 8316 [2020-10-16 12:43:45,245 INFO L132 LiptonReduction]: Checked pairs total: 20377 [2020-10-16 12:43:45,246 INFO L134 LiptonReduction]: Total number of compositions: 70 [2020-10-16 12:43:45,246 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 60 transitions, 141 flow [2020-10-16 12:43:48,022 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 30003 states. [2020-10-16 12:43:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 30003 states. [2020-10-16 12:43:48,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-16 12:43:48,023 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:48,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-16 12:43:48,024 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:48,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:48,024 INFO L82 PathProgramCache]: Analyzing trace with hash 699407793, now seen corresponding path program 1 times [2020-10-16 12:43:48,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:48,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769325580] [2020-10-16 12:43:48,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:43:48,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:43:48,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769325580] [2020-10-16 12:43:48,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:43:48,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:43:48,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1352032698] [2020-10-16 12:43:48,052 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:43:48,053 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:43:48,053 INFO L258 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-10-16 12:43:48,054 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:43:48,054 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:43:48,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-16 12:43:48,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:43:48,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-16 12:43:48,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:43:48,055 INFO L87 Difference]: Start difference. First operand 30003 states. Second operand 2 states. [2020-10-16 12:43:48,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:43:48,417 INFO L93 Difference]: Finished difference Result 30003 states and 117604 transitions. [2020-10-16 12:43:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-16 12:43:48,417 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-16 12:43:48,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:43:48,609 INFO L225 Difference]: With dead ends: 30003 [2020-10-16 12:43:48,609 INFO L226 Difference]: Without dead ends: 29067 [2020-10-16 12:43:48,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-16 12:43:50,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29067 states. [2020-10-16 12:43:50,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29067 to 29067. [2020-10-16 12:43:50,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29067 states. [2020-10-16 12:43:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29067 states to 29067 states and 114088 transitions. [2020-10-16 12:43:51,109 INFO L78 Accepts]: Start accepts. Automaton has 29067 states and 114088 transitions. Word has length 5 [2020-10-16 12:43:51,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:43:51,109 INFO L481 AbstractCegarLoop]: Abstraction has 29067 states and 114088 transitions. [2020-10-16 12:43:51,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-16 12:43:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29067 states and 114088 transitions. [2020-10-16 12:43:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 12:43:51,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:51,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:43:51,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:43:51,110 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:51,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:51,111 INFO L82 PathProgramCache]: Analyzing trace with hash 2112154204, now seen corresponding path program 1 times [2020-10-16 12:43:51,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:51,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231073031] [2020-10-16 12:43:51,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:43:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:43:51,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231073031] [2020-10-16 12:43:51,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:43:51,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:43:51,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [261084153] [2020-10-16 12:43:51,163 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 12:43:51,163 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 12:43:51,164 INFO L258 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-16 12:43:51,164 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 12:43:51,165 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 12:43:51,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:43:51,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:43:51,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:43:51,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:43:51,166 INFO L87 Difference]: Start difference. First operand 29067 states and 114088 transitions. Second operand 3 states. [2020-10-16 12:43:51,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:43:51,402 INFO L93 Difference]: Finished difference Result 36627 states and 139297 transitions. [2020-10-16 12:43:51,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:43:51,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-16 12:43:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:43:51,600 INFO L225 Difference]: With dead ends: 36627 [2020-10-16 12:43:51,601 INFO L226 Difference]: Without dead ends: 34492 [2020-10-16 12:43:51,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:43:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34492 states. [2020-10-16 12:43:54,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34492 to 30270. [2020-10-16 12:43:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30270 states. [2020-10-16 12:43:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30270 states to 30270 states and 115972 transitions. [2020-10-16 12:43:54,609 INFO L78 Accepts]: Start accepts. Automaton has 30270 states and 115972 transitions. Word has length 7 [2020-10-16 12:43:54,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:43:54,609 INFO L481 AbstractCegarLoop]: Abstraction has 30270 states and 115972 transitions. [2020-10-16 12:43:54,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:43:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 30270 states and 115972 transitions. [2020-10-16 12:43:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:43:54,618 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:43:54,619 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-16 12:43:54,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 12:43:54,619 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:43:54,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:43:54,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1011893068, now seen corresponding path program 1 times [2020-10-16 12:43:54,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:43:54,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315180260] [2020-10-16 12:43:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:43:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:43:54,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:43:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 12:43:54,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 12:43:54,682 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 12:43:54,683 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 12:43:54,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 12:43:54,683 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 12:43:54,684 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 12:43:54,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,699 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,702 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,703 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,704 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,705 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,706 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,707 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,708 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,709 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,709 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,710 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,711 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,712 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,713 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,714 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,715 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,715 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,716 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,717 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,718 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,719 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,720 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,721 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,721 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,722 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:43:54,724 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:43:54,724 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 12:43:54,724 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:43:54,724 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:43:54,724 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:43:54,725 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 12:43:54,725 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:43:54,725 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:43:54,725 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:43:54,725 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:43:54,727 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:43:54,727 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 141 transitions, 314 flow [2020-10-16 12:43:54,727 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 141 transitions, 314 flow [2020-10-16 12:43:54,727 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 134 places, 141 transitions, 314 flow [2020-10-16 12:43:54,787 INFO L129 PetriNetUnfolder]: 32/296 cut-off events. [2020-10-16 12:43:54,788 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 12:43:54,793 INFO L80 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 296 events. 32/296 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1166 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 242. Up to 10 conditions per place. [2020-10-16 12:43:54,810 INFO L117 LiptonReduction]: Number of co-enabled transitions 13112 [2020-10-16 12:43:55,655 INFO L132 LiptonReduction]: Checked pairs total: 36837 [2020-10-16 12:43:55,655 INFO L134 LiptonReduction]: Total number of compositions: 79 [2020-10-16 12:43:55,656 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 78 transitions, 188 flow Received shutdown request... [2020-10-16 12:48:02,364 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 12:48:02,374 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 12:48:02,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:48:02 BasicIcfg [2020-10-16 12:48:02,375 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:48:02,379 INFO L168 Benchmark]: Toolchain (without parser) took 262319.54 ms. Allocated memory was 140.0 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 102.0 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-16 12:48:02,380 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 12:48:02,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.18 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.6 MB in the beginning and 161.8 MB in the end (delta: -60.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:48:02,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.36 ms. Allocated memory is still 202.9 MB. Free memory was 161.8 MB in the beginning and 159.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:48:02,389 INFO L168 Benchmark]: Boogie Preprocessor took 31.97 ms. Allocated memory is still 202.9 MB. Free memory was 159.9 MB in the beginning and 157.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:48:02,389 INFO L168 Benchmark]: RCFGBuilder took 626.97 ms. Allocated memory is still 202.9 MB. Free memory was 157.9 MB in the beginning and 119.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:48:02,390 INFO L168 Benchmark]: TraceAbstraction took 260980.94 ms. Allocated memory was 202.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 119.1 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-16 12:48:02,405 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.18 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 101.6 MB in the beginning and 161.8 MB in the end (delta: -60.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.36 ms. Allocated memory is still 202.9 MB. Free memory was 161.8 MB in the beginning and 159.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.97 ms. Allocated memory is still 202.9 MB. Free memory was 159.9 MB in the beginning and 157.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 626.97 ms. Allocated memory is still 202.9 MB. Free memory was 157.9 MB in the beginning and 119.7 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260980.94 ms. Allocated memory was 202.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 119.1 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 919 VarBasedMoverChecksPositive, 46 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 161 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 68 PlacesBefore, 31 PlacesAfterwards, 72 TransitionsBefore, 32 TransitionsAfterwards, 1760 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 48 TotalNumberOfCompositions, 4031 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2172 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 307 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 90 PlacesBefore, 47 PlacesAfterwards, 95 TransitionsBefore, 50 TransitionsAfterwards, 4532 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 57 TotalNumberOfCompositions, 12025 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3869 VarBasedMoverChecksPositive, 86 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 524 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.8s, 112 PlacesBefore, 59 PlacesAfterwards, 118 TransitionsBefore, 60 TransitionsAfterwards, 8316 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 5 ChoiceCompositions, 70 TotalNumberOfCompositions, 20377 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6004 VarBasedMoverChecksPositive, 126 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 783 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 134 PlacesBefore, 75 PlacesAfterwards, 141 TransitionsBefore, 78 TransitionsAfterwards, 13112 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 4 ChoiceCompositions, 79 TotalNumberOfCompositions, 36837 MoverChecksTotal - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 75 places, 78 transitions, 188 flow. Already constructed 351800 states. Currently 21047 states in worklist.. - TimeoutResultAtElement [Line: 691]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 691). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 75 places, 78 transitions, 188 flow. Already constructed 351800 states. Currently 21047 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 2 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 260.7s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 253.0s, HoareTripleCheckerStatistics: 299 SDtfs, 74 SDslu, 69 SDs, 0 SdLazy, 32 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30270occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 4402 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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