/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 17:57:21,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 17:57:21,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 17:57:21,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 17:57:21,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 17:57:21,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 17:57:21,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 17:57:21,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 17:57:21,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 17:57:21,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 17:57:21,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 17:57:21,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 17:57:21,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 17:57:21,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 17:57:21,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 17:57:21,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 17:57:21,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 17:57:21,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 17:57:21,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 17:57:21,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 17:57:21,119 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 17:57:21,135 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 17:57:21,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 17:57:21,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 17:57:21,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 17:57:21,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 17:57:21,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 17:57:21,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 17:57:21,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 17:57:21,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 17:57:21,138 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 17:57:21,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 17:57:21,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 17:57:21,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 17:57:21,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 17:57:21,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 17:57:21,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 17:57:21,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 17:57:21,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:57:21,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 17:57:21,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 17:57:21,140 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 17:57:21,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 17:57:21,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 17:57:21,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 17:57:21,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 17:57:21,354 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 17:57:21,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2022-03-15 17:57:21,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbfb0017/5ff4438177bf4d1ea865fac533c3d3b3/FLAGa50082e44 [2022-03-15 17:57:21,781 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 17:57:21,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2022-03-15 17:57:21,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbfb0017/5ff4438177bf4d1ea865fac533c3d3b3/FLAGa50082e44 [2022-03-15 17:57:22,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbfb0017/5ff4438177bf4d1ea865fac533c3d3b3 [2022-03-15 17:57:22,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 17:57:22,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 17:57:22,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 17:57:22,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 17:57:22,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 17:57:22,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616a611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22, skipping insertion in model container [2022-03-15 17:57:22,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 17:57:22,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 17:57:22,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i[46865,46878] [2022-03-15 17:57:22,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:57:22,519 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 17:57:22,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i[46865,46878] [2022-03-15 17:57:22,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:57:22,599 INFO L208 MainTranslator]: Completed translation [2022-03-15 17:57:22,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22 WrapperNode [2022-03-15 17:57:22,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 17:57:22,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 17:57:22,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 17:57:22,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 17:57:22,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,647 INFO L137 Inliner]: procedures = 275, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 82 [2022-03-15 17:57:22,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 17:57:22,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 17:57:22,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 17:57:22,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 17:57:22,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 17:57:22,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 17:57:22,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 17:57:22,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 17:57:22,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (1/1) ... [2022-03-15 17:57:22,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:57:22,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:57:22,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 17:57:22,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 17:57:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-15 17:57:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2022-03-15 17:57:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2022-03-15 17:57:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 17:57:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 17:57:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-15 17:57:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 17:57:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 17:57:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 17:57:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 17:57:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 17:57:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 17:57:22,760 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 17:57:22,913 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 17:57:22,914 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 17:57:23,090 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 17:57:23,113 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 17:57:23,113 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-03-15 17:57:23,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:57:23 BoogieIcfgContainer [2022-03-15 17:57:23,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 17:57:23,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 17:57:23,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 17:57:23,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 17:57:23,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 05:57:22" (1/3) ... [2022-03-15 17:57:23,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c63803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:57:23, skipping insertion in model container [2022-03-15 17:57:23,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:57:22" (2/3) ... [2022-03-15 17:57:23,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c63803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:57:23, skipping insertion in model container [2022-03-15 17:57:23,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:57:23" (3/3) ... [2022-03-15 17:57:23,122 INFO L111 eAbstractionObserver]: Analyzing ICFG sssc12.i [2022-03-15 17:57:23,126 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 17:57:23,126 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 17:57:23,126 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 17:57:23,126 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 17:57:23,175 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,176 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,176 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,176 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,177 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,177 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,177 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,177 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,178 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,178 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,178 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,178 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,178 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,178 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,179 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,179 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,179 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,179 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,179 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,179 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,180 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,181 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,182 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,183 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,184 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,184 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,188 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,189 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,190 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,190 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,190 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,190 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,190 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,190 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,193 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,193 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,193 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,193 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,193 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,193 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,194 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,194 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,194 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,194 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:23,194 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:57:23,231 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:57:23,235 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:57:23,235 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 17:57:23,243 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:57:23,249 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 82 transitions, 169 flow [2022-03-15 17:57:23,250 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 82 transitions, 169 flow [2022-03-15 17:57:23,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 82 transitions, 169 flow [2022-03-15 17:57:23,300 INFO L129 PetriNetUnfolder]: 7/94 cut-off events. [2022-03-15 17:57:23,300 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 17:57:23,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 94 events. 7/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 81 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 47. Up to 4 conditions per place. [2022-03-15 17:57:23,304 INFO L116 LiptonReduction]: Number of co-enabled transitions 990 [2022-03-15 17:57:25,530 INFO L131 LiptonReduction]: Checked pairs total: 875 [2022-03-15 17:57:25,530 INFO L133 LiptonReduction]: Total number of compositions: 83 [2022-03-15 17:57:25,536 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions, 25 flow [2022-03-15 17:57:25,546 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:25,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-03-15 17:57:25,557 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:25,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-03-15 17:57:25,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:57:25,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash 366552907, now seen corresponding path program 1 times [2022-03-15 17:57:25,579 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:25,579 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48908566] [2022-03-15 17:57:25,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:25,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:25,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:25,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48908566] [2022-03-15 17:57:25,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48908566] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:25,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:25,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:57:25,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2105432113] [2022-03-15 17:57:25,753 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:25,754 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:25,761 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2022-03-15 17:57:25,761 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:25,763 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:25,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:57:25,764 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:25,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:57:25,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:57:25,778 INFO L87 Difference]: Start difference. First operand has 22 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 21 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:25,800 INFO L93 Difference]: Finished difference Result 27 states and 45 transitions. [2022-03-15 17:57:25,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:57:25,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-03-15 17:57:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:25,806 INFO L225 Difference]: With dead ends: 27 [2022-03-15 17:57:25,806 INFO L226 Difference]: Without dead ends: 27 [2022-03-15 17:57:25,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:57:25,809 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:25,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:57:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-03-15 17:57:25,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2022-03-15 17:57:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 2.0) internal successors, (42), 22 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:25,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 42 transitions. [2022-03-15 17:57:25,828 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 42 transitions. Word has length 5 [2022-03-15 17:57:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:25,829 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 42 transitions. [2022-03-15 17:57:25,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2022-03-15 17:57:25,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 17:57:25,829 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:25,829 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-03-15 17:57:25,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 17:57:25,829 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:57:25,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:25,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1521804466, now seen corresponding path program 1 times [2022-03-15 17:57:25,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:25,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672174037] [2022-03-15 17:57:25,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:25,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:57:25,848 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:57:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:57:25,868 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:57:25,868 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:57:25,869 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-03-15 17:57:25,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-03-15 17:57:25,870 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-15 17:57:25,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 17:57:25,872 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-15 17:57:25,872 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:57:25,872 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-15 17:57:25,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,901 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,902 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,903 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,904 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,905 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,905 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:25,905 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:57:25,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:57:25,907 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:57:25,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 17:57:25,925 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:57:25,925 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 116 transitions, 244 flow [2022-03-15 17:57:25,925 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 116 transitions, 244 flow [2022-03-15 17:57:25,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 111 places, 116 transitions, 244 flow [2022-03-15 17:57:25,955 INFO L129 PetriNetUnfolder]: 12/142 cut-off events. [2022-03-15 17:57:25,956 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 17:57:25,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 142 events. 12/142 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 254 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 95. Up to 6 conditions per place. [2022-03-15 17:57:25,962 INFO L116 LiptonReduction]: Number of co-enabled transitions 4224 [2022-03-15 17:57:27,418 INFO L131 LiptonReduction]: Checked pairs total: 7814 [2022-03-15 17:57:27,418 INFO L133 LiptonReduction]: Total number of compositions: 116 [2022-03-15 17:57:27,419 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 30 transitions, 72 flow [2022-03-15 17:57:27,478 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 651 states, 643 states have (on average 2.9906687402799377) internal successors, (1923), 650 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 651 states, 643 states have (on average 2.9906687402799377) internal successors, (1923), 650 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:57:27,480 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:27,480 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:27,483 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:57:27,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:27,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1631181013, now seen corresponding path program 1 times [2022-03-15 17:57:27,486 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:27,487 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033096061] [2022-03-15 17:57:27,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:27,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:27,548 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:27,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033096061] [2022-03-15 17:57:27,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033096061] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:27,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:27,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:57:27,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [25886981] [2022-03-15 17:57:27,549 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:27,549 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:27,554 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:57:27,554 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:27,555 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:27,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:57:27,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:27,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:57:27,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:57:27,558 INFO L87 Difference]: Start difference. First operand has 651 states, 643 states have (on average 2.9906687402799377) internal successors, (1923), 650 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:27,614 INFO L93 Difference]: Finished difference Result 705 states and 1992 transitions. [2022-03-15 17:57:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:57:27,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-03-15 17:57:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:27,625 INFO L225 Difference]: With dead ends: 705 [2022-03-15 17:57:27,625 INFO L226 Difference]: Without dead ends: 705 [2022-03-15 17:57:27,625 INFO L932 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 [2022-03-15 17:57:27,626 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 18 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:27,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 17 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:57:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2022-03-15 17:57:27,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 651. [2022-03-15 17:57:27,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 647 states have (on average 2.9258114374034) internal successors, (1893), 650 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 1893 transitions. [2022-03-15 17:57:27,660 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 1893 transitions. Word has length 7 [2022-03-15 17:57:27,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:27,660 INFO L470 AbstractCegarLoop]: Abstraction has 651 states and 1893 transitions. [2022-03-15 17:57:27,660 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1893 transitions. [2022-03-15 17:57:27,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 17:57:27,661 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:27,661 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:27,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 17:57:27,662 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:57:27,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:27,662 INFO L85 PathProgramCache]: Analyzing trace with hash -348955702, now seen corresponding path program 1 times [2022-03-15 17:57:27,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:27,665 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168505985] [2022-03-15 17:57:27,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:27,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:27,712 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:27,712 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168505985] [2022-03-15 17:57:27,712 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168505985] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:27,712 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:27,712 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:57:27,712 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1245692067] [2022-03-15 17:57:27,713 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:27,713 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:27,714 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 17:57:27,714 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:27,714 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:27,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:57:27,714 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:27,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:57:27,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:27,715 INFO L87 Difference]: Start difference. First operand 651 states and 1893 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:27,837 INFO L93 Difference]: Finished difference Result 1133 states and 3169 transitions. [2022-03-15 17:57:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:57:27,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 17:57:27,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:27,842 INFO L225 Difference]: With dead ends: 1133 [2022-03-15 17:57:27,842 INFO L226 Difference]: Without dead ends: 1133 [2022-03-15 17:57:27,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:27,843 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 84 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:27,843 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [84 Valid, 25 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:57:27,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2022-03-15 17:57:27,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 810. [2022-03-15 17:57:27,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 806 states have (on average 2.9516129032258065) internal successors, (2379), 809 states have internal predecessors, (2379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 2379 transitions. [2022-03-15 17:57:27,870 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 2379 transitions. Word has length 10 [2022-03-15 17:57:27,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:27,870 INFO L470 AbstractCegarLoop]: Abstraction has 810 states and 2379 transitions. [2022-03-15 17:57:27,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 2379 transitions. [2022-03-15 17:57:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:57:27,871 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:27,871 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:27,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 17:57:27,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:57:27,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:27,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2067276105, now seen corresponding path program 1 times [2022-03-15 17:57:27,872 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:27,872 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730654962] [2022-03-15 17:57:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:27,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:27,945 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:27,945 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730654962] [2022-03-15 17:57:27,945 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730654962] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:57:27,946 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969665206] [2022-03-15 17:57:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:27,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:27,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:57:27,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:57:27,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 17:57:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:28,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 17:57:28,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:57:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:28,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:57:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:28,265 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969665206] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:57:28,265 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:57:28,265 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 12 [2022-03-15 17:57:28,265 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1113066193] [2022-03-15 17:57:28,265 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:28,266 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:28,267 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:57:28,267 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:28,267 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:28,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:57:28,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:28,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:57:28,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:28,268 INFO L87 Difference]: Start difference. First operand 810 states and 2379 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:28,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:28,418 INFO L93 Difference]: Finished difference Result 1241 states and 3475 transitions. [2022-03-15 17:57:28,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:57:28,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:57:28,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:28,424 INFO L225 Difference]: With dead ends: 1241 [2022-03-15 17:57:28,424 INFO L226 Difference]: Without dead ends: 1241 [2022-03-15 17:57:28,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:28,425 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 100 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:28,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 50 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:57:28,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2022-03-15 17:57:28,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 864. [2022-03-15 17:57:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 860 states have (on average 3.0069767441860464) internal successors, (2586), 863 states have internal predecessors, (2586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 2586 transitions. [2022-03-15 17:57:28,447 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 2586 transitions. Word has length 11 [2022-03-15 17:57:28,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:28,447 INFO L470 AbstractCegarLoop]: Abstraction has 864 states and 2586 transitions. [2022-03-15 17:57:28,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 2586 transitions. [2022-03-15 17:57:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:57:28,448 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:28,449 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-03-15 17:57:28,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 17:57:28,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:28,662 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:57:28,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:28,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1427263901, now seen corresponding path program 1 times [2022-03-15 17:57:28,664 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:28,664 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393490613] [2022-03-15 17:57:28,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:28,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:57:28,673 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:57:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:57:28,683 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:57:28,683 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:57:28,684 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-03-15 17:57:28,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-03-15 17:57:28,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-03-15 17:57:28,684 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-03-15 17:57:28,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 17:57:28,684 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-03-15 17:57:28,684 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:57:28,685 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-15 17:57:28,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,700 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,701 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,702 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,703 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,704 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,705 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,706 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,707 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,708 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,709 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,710 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,711 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,712 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,713 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,714 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:28,715 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:57:28,716 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:57:28,716 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:57:28,716 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 17:57:28,717 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:57:28,717 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 150 transitions, 321 flow [2022-03-15 17:57:28,717 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 150 transitions, 321 flow [2022-03-15 17:57:28,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 150 transitions, 321 flow [2022-03-15 17:57:28,735 INFO L129 PetriNetUnfolder]: 17/190 cut-off events. [2022-03-15 17:57:28,735 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-03-15 17:57:28,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 190 events. 17/190 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 442 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 146. Up to 8 conditions per place. [2022-03-15 17:57:28,741 INFO L116 LiptonReduction]: Number of co-enabled transitions 9702 [2022-03-15 17:57:31,029 INFO L131 LiptonReduction]: Checked pairs total: 20687 [2022-03-15 17:57:31,029 INFO L133 LiptonReduction]: Total number of compositions: 142 [2022-03-15 17:57:31,030 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 40 transitions, 101 flow [2022-03-15 17:57:31,176 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5360 states, 5341 states have (on average 4.070398801722524) internal successors, (21740), 5359 states have internal predecessors, (21740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 5360 states, 5341 states have (on average 4.070398801722524) internal successors, (21740), 5359 states have internal predecessors, (21740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:31,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:57:31,201 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:31,201 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:31,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:31,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:31,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1419646995, now seen corresponding path program 1 times [2022-03-15 17:57:31,202 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:31,202 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719857197] [2022-03-15 17:57:31,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:31,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:31,239 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:31,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719857197] [2022-03-15 17:57:31,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719857197] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:31,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:31,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:57:31,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [475876641] [2022-03-15 17:57:31,240 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:31,241 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:31,241 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:57:31,241 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:31,241 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:31,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:57:31,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:31,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:57:31,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:57:31,255 INFO L87 Difference]: Start difference. First operand has 5360 states, 5341 states have (on average 4.070398801722524) internal successors, (21740), 5359 states have internal predecessors, (21740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:31,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:31,350 INFO L93 Difference]: Finished difference Result 5343 states and 20991 transitions. [2022-03-15 17:57:31,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:57:31,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-03-15 17:57:31,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:31,382 INFO L225 Difference]: With dead ends: 5343 [2022-03-15 17:57:31,382 INFO L226 Difference]: Without dead ends: 5343 [2022-03-15 17:57:31,382 INFO L932 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 [2022-03-15 17:57:31,383 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 28 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:31,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 23 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:57:31,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5343 states. [2022-03-15 17:57:31,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5343 to 4898. [2022-03-15 17:57:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4898 states, 4890 states have (on average 4.025971370143149) internal successors, (19687), 4897 states have internal predecessors, (19687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4898 states to 4898 states and 19687 transitions. [2022-03-15 17:57:31,526 INFO L78 Accepts]: Start accepts. Automaton has 4898 states and 19687 transitions. Word has length 7 [2022-03-15 17:57:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:31,526 INFO L470 AbstractCegarLoop]: Abstraction has 4898 states and 19687 transitions. [2022-03-15 17:57:31,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 4898 states and 19687 transitions. [2022-03-15 17:57:31,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 17:57:31,530 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:31,530 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:31,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 17:57:31,530 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:31,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:31,531 INFO L85 PathProgramCache]: Analyzing trace with hash 9938619, now seen corresponding path program 1 times [2022-03-15 17:57:31,531 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:31,531 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076230393] [2022-03-15 17:57:31,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:31,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:31,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:31,596 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:31,596 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076230393] [2022-03-15 17:57:31,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076230393] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:31,596 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:31,596 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:57:31,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [775040323] [2022-03-15 17:57:31,596 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:31,596 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:31,597 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 17:57:31,597 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:31,597 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:31,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:57:31,599 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:31,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:57:31,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:31,600 INFO L87 Difference]: Start difference. First operand 4898 states and 19687 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:31,876 INFO L93 Difference]: Finished difference Result 10851 states and 42322 transitions. [2022-03-15 17:57:31,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:57:31,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 17:57:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:31,940 INFO L225 Difference]: With dead ends: 10851 [2022-03-15 17:57:31,940 INFO L226 Difference]: Without dead ends: 10851 [2022-03-15 17:57:31,940 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:31,941 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 134 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:31,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 22 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:57:31,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10851 states. [2022-03-15 17:57:32,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10851 to 7415. [2022-03-15 17:57:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7415 states, 7407 states have (on average 3.9862292426083434) internal successors, (29526), 7414 states have internal predecessors, (29526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7415 states to 7415 states and 29526 transitions. [2022-03-15 17:57:32,243 INFO L78 Accepts]: Start accepts. Automaton has 7415 states and 29526 transitions. Word has length 10 [2022-03-15 17:57:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:32,243 INFO L470 AbstractCegarLoop]: Abstraction has 7415 states and 29526 transitions. [2022-03-15 17:57:32,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 7415 states and 29526 transitions. [2022-03-15 17:57:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:57:32,244 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:32,244 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:32,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 17:57:32,244 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:32,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1231538942, now seen corresponding path program 1 times [2022-03-15 17:57:32,245 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:32,245 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302237509] [2022-03-15 17:57:32,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:57:32,274 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:32,274 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302237509] [2022-03-15 17:57:32,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302237509] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:32,274 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:32,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:57:32,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [461605088] [2022-03-15 17:57:32,275 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:32,275 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:32,276 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:57:32,276 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:32,276 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:32,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:57:32,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:32,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:57:32,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:57:32,277 INFO L87 Difference]: Start difference. First operand 7415 states and 29526 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:32,419 INFO L93 Difference]: Finished difference Result 8839 states and 34446 transitions. [2022-03-15 17:57:32,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:57:32,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:57:32,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:32,499 INFO L225 Difference]: With dead ends: 8839 [2022-03-15 17:57:32,499 INFO L226 Difference]: Without dead ends: 8839 [2022-03-15 17:57:32,499 INFO L932 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 [2022-03-15 17:57:32,500 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 28 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:32,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 23 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:57:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8839 states. [2022-03-15 17:57:32,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8839 to 8306. [2022-03-15 17:57:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8306 states, 8298 states have (on average 3.9614364907206556) internal successors, (32872), 8305 states have internal predecessors, (32872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8306 states to 8306 states and 32872 transitions. [2022-03-15 17:57:32,743 INFO L78 Accepts]: Start accepts. Automaton has 8306 states and 32872 transitions. Word has length 11 [2022-03-15 17:57:32,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:32,744 INFO L470 AbstractCegarLoop]: Abstraction has 8306 states and 32872 transitions. [2022-03-15 17:57:32,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 8306 states and 32872 transitions. [2022-03-15 17:57:32,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:57:32,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:32,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:32,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 17:57:32,745 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:32,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash 308098404, now seen corresponding path program 1 times [2022-03-15 17:57:32,746 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:32,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405795977] [2022-03-15 17:57:32,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:32,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:32,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:32,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405795977] [2022-03-15 17:57:32,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405795977] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:57:32,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519515074] [2022-03-15 17:57:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:32,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:32,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:57:32,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:57:32,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 17:57:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:32,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 17:57:32,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:57:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:32,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:57:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:32,980 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519515074] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:57:32,980 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:57:32,980 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 12 [2022-03-15 17:57:32,980 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [582101977] [2022-03-15 17:57:32,980 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:32,981 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:32,981 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:57:32,982 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:32,982 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:32,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:57:32,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:32,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:57:32,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:32,982 INFO L87 Difference]: Start difference. First operand 8306 states and 32872 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:33,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:33,321 INFO L93 Difference]: Finished difference Result 12663 states and 49026 transitions. [2022-03-15 17:57:33,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:57:33,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:57:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:33,369 INFO L225 Difference]: With dead ends: 12663 [2022-03-15 17:57:33,369 INFO L226 Difference]: Without dead ends: 12663 [2022-03-15 17:57:33,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:33,370 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 129 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:33,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 60 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:57:33,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12663 states. [2022-03-15 17:57:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12663 to 8849. [2022-03-15 17:57:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8849 states, 8841 states have (on average 4.019907250311051) internal successors, (35540), 8848 states have internal predecessors, (35540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8849 states to 8849 states and 35540 transitions. [2022-03-15 17:57:33,693 INFO L78 Accepts]: Start accepts. Automaton has 8849 states and 35540 transitions. Word has length 11 [2022-03-15 17:57:33,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:33,694 INFO L470 AbstractCegarLoop]: Abstraction has 8849 states and 35540 transitions. [2022-03-15 17:57:33,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 8849 states and 35540 transitions. [2022-03-15 17:57:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 17:57:33,694 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:33,694 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:33,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 17:57:33,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-15 17:57:33,931 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:33,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:33,932 INFO L85 PathProgramCache]: Analyzing trace with hash 961117147, now seen corresponding path program 2 times [2022-03-15 17:57:33,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:33,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307362801] [2022-03-15 17:57:33,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:33,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:34,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:34,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307362801] [2022-03-15 17:57:34,132 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307362801] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:57:34,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189491007] [2022-03-15 17:57:34,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 17:57:34,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:34,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:57:34,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:57:34,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 17:57:34,191 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 17:57:34,191 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 17:57:34,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 17:57:34,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:57:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:34,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:57:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:34,338 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189491007] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:57:34,338 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:57:34,338 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-03-15 17:57:34,338 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [725140941] [2022-03-15 17:57:34,338 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:34,339 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:34,340 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 17:57:34,340 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:34,340 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:34,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:57:34,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:34,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:57:34,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-03-15 17:57:34,341 INFO L87 Difference]: Start difference. First operand 8849 states and 35540 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:34,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:34,791 INFO L93 Difference]: Finished difference Result 13749 states and 53276 transitions. [2022-03-15 17:57:34,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:57:34,792 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 17:57:34,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:34,840 INFO L225 Difference]: With dead ends: 13749 [2022-03-15 17:57:34,840 INFO L226 Difference]: Without dead ends: 13749 [2022-03-15 17:57:34,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-03-15 17:57:34,841 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 151 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:34,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 100 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:57:34,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13749 states. [2022-03-15 17:57:35,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13749 to 9392. [2022-03-15 17:57:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9392 states, 9384 states have (on average 4.071611253196931) internal successors, (38208), 9391 states have internal predecessors, (38208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9392 states to 9392 states and 38208 transitions. [2022-03-15 17:57:35,178 INFO L78 Accepts]: Start accepts. Automaton has 9392 states and 38208 transitions. Word has length 12 [2022-03-15 17:57:35,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:35,178 INFO L470 AbstractCegarLoop]: Abstraction has 9392 states and 38208 transitions. [2022-03-15 17:57:35,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 9392 states and 38208 transitions. [2022-03-15 17:57:35,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:57:35,178 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:35,178 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:35,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 17:57:35,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:35,395 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:35,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:35,395 INFO L85 PathProgramCache]: Analyzing trace with hash -270138300, now seen corresponding path program 3 times [2022-03-15 17:57:35,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:35,396 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379716948] [2022-03-15 17:57:35,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:35,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:35,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:35,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379716948] [2022-03-15 17:57:35,484 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379716948] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:57:35,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541489820] [2022-03-15 17:57:35,484 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 17:57:35,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:35,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:57:35,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:57:35,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 17:57:35,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 17:57:35,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 17:57:35,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-15 17:57:35,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:57:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 17:57:35,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 17:57:35,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541489820] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:35,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 17:57:35,601 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-03-15 17:57:35,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1295580209] [2022-03-15 17:57:35,601 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:35,602 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:35,603 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:57:35,603 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:35,603 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:35,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:57:35,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:35,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:57:35,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:57:35,609 INFO L87 Difference]: Start difference. First operand 9392 states and 38208 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:36,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:36,002 INFO L93 Difference]: Finished difference Result 18548 states and 74870 transitions. [2022-03-15 17:57:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:57:36,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 17:57:36,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:36,239 INFO L225 Difference]: With dead ends: 18548 [2022-03-15 17:57:36,239 INFO L226 Difference]: Without dead ends: 18548 [2022-03-15 17:57:36,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:36,241 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 112 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:36,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 33 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:57:36,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18548 states. [2022-03-15 17:57:36,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18548 to 11784. [2022-03-15 17:57:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11784 states, 11776 states have (on average 4.050526494565218) internal successors, (47699), 11783 states have internal predecessors, (47699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:36,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11784 states to 11784 states and 47699 transitions. [2022-03-15 17:57:36,665 INFO L78 Accepts]: Start accepts. Automaton has 11784 states and 47699 transitions. Word has length 13 [2022-03-15 17:57:36,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:36,665 INFO L470 AbstractCegarLoop]: Abstraction has 11784 states and 47699 transitions. [2022-03-15 17:57:36,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:36,665 INFO L276 IsEmpty]: Start isEmpty. Operand 11784 states and 47699 transitions. [2022-03-15 17:57:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 17:57:36,666 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:36,666 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:36,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-15 17:57:36,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:36,883 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:36,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2067119221, now seen corresponding path program 1 times [2022-03-15 17:57:36,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:36,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225414630] [2022-03-15 17:57:36,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:36,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:57:36,940 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:36,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225414630] [2022-03-15 17:57:36,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225414630] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:36,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:36,941 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:57:36,941 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [606172027] [2022-03-15 17:57:36,941 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:36,941 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:36,942 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 17:57:36,942 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:36,942 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:36,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:57:36,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:36,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:57:36,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:36,944 INFO L87 Difference]: Start difference. First operand 11784 states and 47699 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:37,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:37,343 INFO L93 Difference]: Finished difference Result 20008 states and 80659 transitions. [2022-03-15 17:57:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:57:37,344 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 17:57:37,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:37,418 INFO L225 Difference]: With dead ends: 20008 [2022-03-15 17:57:37,418 INFO L226 Difference]: Without dead ends: 20008 [2022-03-15 17:57:37,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:37,419 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 112 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:37,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 28 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:57:37,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20008 states. [2022-03-15 17:57:37,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20008 to 15194. [2022-03-15 17:57:37,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15194 states, 15186 states have (on average 4.123403134465955) internal successors, (62618), 15193 states have internal predecessors, (62618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15194 states to 15194 states and 62618 transitions. [2022-03-15 17:57:37,958 INFO L78 Accepts]: Start accepts. Automaton has 15194 states and 62618 transitions. Word has length 14 [2022-03-15 17:57:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:37,959 INFO L470 AbstractCegarLoop]: Abstraction has 15194 states and 62618 transitions. [2022-03-15 17:57:37,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15194 states and 62618 transitions. [2022-03-15 17:57:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:57:37,961 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:37,961 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:37,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 17:57:37,962 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:37,962 INFO L85 PathProgramCache]: Analyzing trace with hash 876904602, now seen corresponding path program 1 times [2022-03-15 17:57:37,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:37,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561491023] [2022-03-15 17:57:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:37,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-15 17:57:38,013 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:38,013 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561491023] [2022-03-15 17:57:38,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561491023] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:38,013 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:38,013 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:57:38,013 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [709190448] [2022-03-15 17:57:38,013 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:38,014 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:38,014 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 17:57:38,014 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:38,014 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:38,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:57:38,015 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:38,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:57:38,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:57:38,015 INFO L87 Difference]: Start difference. First operand 15194 states and 62618 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:38,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:38,165 INFO L93 Difference]: Finished difference Result 17479 states and 71176 transitions. [2022-03-15 17:57:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:57:38,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-03-15 17:57:38,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:38,354 INFO L225 Difference]: With dead ends: 17479 [2022-03-15 17:57:38,354 INFO L226 Difference]: Without dead ends: 17479 [2022-03-15 17:57:38,354 INFO L932 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 [2022-03-15 17:57:38,354 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:38,355 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 23 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:57:38,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17479 states. [2022-03-15 17:57:38,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17479 to 16644. [2022-03-15 17:57:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16644 states, 16636 states have (on average 4.118958884347199) internal successors, (68523), 16643 states have internal predecessors, (68523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:38,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16644 states to 16644 states and 68523 transitions. [2022-03-15 17:57:38,847 INFO L78 Accepts]: Start accepts. Automaton has 16644 states and 68523 transitions. Word has length 15 [2022-03-15 17:57:38,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:38,847 INFO L470 AbstractCegarLoop]: Abstraction has 16644 states and 68523 transitions. [2022-03-15 17:57:38,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:38,848 INFO L276 IsEmpty]: Start isEmpty. Operand 16644 states and 68523 transitions. [2022-03-15 17:57:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:57:38,852 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:38,852 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-03-15 17:57:38,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 17:57:38,852 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:57:38,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:38,853 INFO L85 PathProgramCache]: Analyzing trace with hash 868781553, now seen corresponding path program 1 times [2022-03-15 17:57:38,853 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:38,853 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282467009] [2022-03-15 17:57:38,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:57:38,866 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:57:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:57:38,873 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:57:38,873 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:57:38,874 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-03-15 17:57:38,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-03-15 17:57:38,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-03-15 17:57:38,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-03-15 17:57:38,874 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-03-15 17:57:38,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 17:57:38,874 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:38,874 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:57:38,874 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,884 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,885 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,886 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,887 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,888 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,889 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,890 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,891 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,892 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,893 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,894 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,895 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,896 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,897 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,898 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,899 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~c~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_~end~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 WARN L322 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:57:38,900 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:57:38,901 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:57:38,901 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 17:57:38,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 17:57:38,902 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:57:38,902 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 184 transitions, 400 flow [2022-03-15 17:57:38,902 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 184 transitions, 400 flow [2022-03-15 17:57:38,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 184 transitions, 400 flow [2022-03-15 17:57:38,922 INFO L129 PetriNetUnfolder]: 22/238 cut-off events. [2022-03-15 17:57:38,922 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-03-15 17:57:38,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 261 conditions, 238 events. 22/238 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 632 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 198. Up to 10 conditions per place. [2022-03-15 17:57:38,933 INFO L116 LiptonReduction]: Number of co-enabled transitions 17424 [2022-03-15 17:57:41,631 INFO L131 LiptonReduction]: Checked pairs total: 36356 [2022-03-15 17:57:41,631 INFO L133 LiptonReduction]: Total number of compositions: 176 [2022-03-15 17:57:41,631 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 51 transitions, 134 flow [2022-03-15 17:57:42,884 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 47834 states, 47792 states have (on average 5.179695346501506) internal successors, (247548), 47833 states have internal predecessors, (247548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 47834 states, 47792 states have (on average 5.179695346501506) internal successors, (247548), 47833 states have internal predecessors, (247548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:57:42,960 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:42,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:42,960 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:57:42,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:42,961 INFO L85 PathProgramCache]: Analyzing trace with hash 2114083415, now seen corresponding path program 1 times [2022-03-15 17:57:42,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:42,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949508295] [2022-03-15 17:57:42,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:42,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:42,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:42,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949508295] [2022-03-15 17:57:42,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949508295] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:42,985 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:42,985 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:57:42,985 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [534121451] [2022-03-15 17:57:42,985 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:42,985 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:42,985 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:57:42,986 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:42,986 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:42,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:57:42,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:42,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:57:42,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:57:43,065 INFO L87 Difference]: Start difference. First operand has 47834 states, 47792 states have (on average 5.179695346501506) internal successors, (247548), 47833 states have internal predecessors, (247548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:43,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:43,935 INFO L93 Difference]: Finished difference Result 52971 states and 266799 transitions. [2022-03-15 17:57:43,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:57:43,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-03-15 17:57:43,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:44,446 INFO L225 Difference]: With dead ends: 52971 [2022-03-15 17:57:44,446 INFO L226 Difference]: Without dead ends: 52971 [2022-03-15 17:57:44,446 INFO L932 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 [2022-03-15 17:57:44,449 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 40 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:44,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 36 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:57:44,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52971 states. [2022-03-15 17:57:45,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52971 to 48557. [2022-03-15 17:57:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48557 states, 48541 states have (on average 5.129272161677757) internal successors, (248980), 48556 states have internal predecessors, (248980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48557 states to 48557 states and 248980 transitions. [2022-03-15 17:57:46,624 INFO L78 Accepts]: Start accepts. Automaton has 48557 states and 248980 transitions. Word has length 7 [2022-03-15 17:57:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:46,626 INFO L470 AbstractCegarLoop]: Abstraction has 48557 states and 248980 transitions. [2022-03-15 17:57:46,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 48557 states and 248980 transitions. [2022-03-15 17:57:46,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 17:57:46,626 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:46,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:46,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 17:57:46,626 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:57:46,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:46,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1855834871, now seen corresponding path program 1 times [2022-03-15 17:57:46,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:46,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784580002] [2022-03-15 17:57:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:46,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:46,725 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:46,725 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784580002] [2022-03-15 17:57:46,725 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784580002] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:57:46,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:57:46,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:57:46,726 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [361986223] [2022-03-15 17:57:46,726 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:46,726 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:46,727 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 17:57:46,727 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:46,727 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:46,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:57:46,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:46,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:57:46,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:46,727 INFO L87 Difference]: Start difference. First operand 48557 states and 248980 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:48,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:48,501 INFO L93 Difference]: Finished difference Result 113633 states and 565828 transitions. [2022-03-15 17:57:48,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:57:48,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 17:57:48,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:49,547 INFO L225 Difference]: With dead ends: 113633 [2022-03-15 17:57:49,548 INFO L226 Difference]: Without dead ends: 113633 [2022-03-15 17:57:49,548 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:57:49,549 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 180 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:49,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 22 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:57:49,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113633 states. [2022-03-15 17:57:52,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113633 to 80058. [2022-03-15 17:57:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80058 states, 80042 states have (on average 5.043652082656605) internal successors, (403704), 80057 states have internal predecessors, (403704), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80058 states to 80058 states and 403704 transitions. [2022-03-15 17:57:54,193 INFO L78 Accepts]: Start accepts. Automaton has 80058 states and 403704 transitions. Word has length 10 [2022-03-15 17:57:54,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:57:54,194 INFO L470 AbstractCegarLoop]: Abstraction has 80058 states and 403704 transitions. [2022-03-15 17:57:54,194 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 80058 states and 403704 transitions. [2022-03-15 17:57:54,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:57:54,194 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:57:54,194 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:57:54,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 17:57:54,194 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:57:54,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:57:54,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1696308474, now seen corresponding path program 1 times [2022-03-15 17:57:54,195 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:57:54,195 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169742260] [2022-03-15 17:57:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:54,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:57:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:54,271 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:57:54,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169742260] [2022-03-15 17:57:54,271 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169742260] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:57:54,271 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417595218] [2022-03-15 17:57:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:57:54,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:57:54,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:57:54,272 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:57:54,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 17:57:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:57:54,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 17:57:54,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:57:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:54,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:57:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:57:54,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417595218] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:57:54,465 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:57:54,465 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 12 [2022-03-15 17:57:54,465 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [486043315] [2022-03-15 17:57:54,465 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:57:54,465 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:57:54,467 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:57:54,467 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:57:54,467 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:57:54,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:57:54,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:57:54,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:57:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:54,468 INFO L87 Difference]: Start difference. First operand 80058 states and 403704 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:57:56,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:57:56,413 INFO L93 Difference]: Finished difference Result 122461 states and 610294 transitions. [2022-03-15 17:57:56,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:57:56,413 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:57:56,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:57:57,664 INFO L225 Difference]: With dead ends: 122461 [2022-03-15 17:57:57,664 INFO L226 Difference]: Without dead ends: 122461 [2022-03-15 17:57:57,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:57:57,666 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 176 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:57:57,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 70 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:57:57,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122461 states. [2022-03-15 17:58:01,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122461 to 84472. [2022-03-15 17:58:01,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84472 states, 84456 states have (on average 5.095564554324145) internal successors, (430351), 84471 states have internal predecessors, (430351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84472 states to 84472 states and 430351 transitions. [2022-03-15 17:58:02,306 INFO L78 Accepts]: Start accepts. Automaton has 84472 states and 430351 transitions. Word has length 11 [2022-03-15 17:58:02,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:58:02,306 INFO L470 AbstractCegarLoop]: Abstraction has 84472 states and 430351 transitions. [2022-03-15 17:58:02,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 84472 states and 430351 transitions. [2022-03-15 17:58:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:58:02,306 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:58:02,306 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:58:02,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-15 17:58:02,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-15 17:58:02,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:58:02,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:58:02,523 INFO L85 PathProgramCache]: Analyzing trace with hash -499778214, now seen corresponding path program 1 times [2022-03-15 17:58:02,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:58:02,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192441914] [2022-03-15 17:58:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:58:02,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:58:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:58:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:58:02,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:58:02,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192441914] [2022-03-15 17:58:02,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192441914] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:58:02,545 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:58:02,545 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:58:02,545 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1373867951] [2022-03-15 17:58:02,545 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:58:02,546 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:58:02,546 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:58:02,546 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:58:02,546 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:58:02,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:58:02,547 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:58:02,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:58:02,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:58:02,547 INFO L87 Difference]: Start difference. First operand 84472 states and 430351 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:04,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:58:04,031 INFO L93 Difference]: Finished difference Result 101505 states and 509516 transitions. [2022-03-15 17:58:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:58:04,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-03-15 17:58:04,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:58:05,526 INFO L225 Difference]: With dead ends: 101505 [2022-03-15 17:58:05,527 INFO L226 Difference]: Without dead ends: 101505 [2022-03-15 17:58:05,527 INFO L932 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 [2022-03-15 17:58:05,527 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 39 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:58:05,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 36 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:58:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101505 states. [2022-03-15 17:58:08,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101505 to 95145. [2022-03-15 17:58:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95145 states, 95129 states have (on average 5.081436785838178) internal successors, (483392), 95144 states have internal predecessors, (483392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95145 states to 95145 states and 483392 transitions. [2022-03-15 17:58:10,059 INFO L78 Accepts]: Start accepts. Automaton has 95145 states and 483392 transitions. Word has length 11 [2022-03-15 17:58:10,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:58:10,059 INFO L470 AbstractCegarLoop]: Abstraction has 95145 states and 483392 transitions. [2022-03-15 17:58:10,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 95145 states and 483392 transitions. [2022-03-15 17:58:10,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 17:58:10,065 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:58:10,065 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:58:10,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 17:58:10,066 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:58:10,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:58:10,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1045957463, now seen corresponding path program 2 times [2022-03-15 17:58:10,068 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:58:10,068 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299408276] [2022-03-15 17:58:10,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:58:10,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:58:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:58:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:58:10,129 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:58:10,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299408276] [2022-03-15 17:58:10,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299408276] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:58:10,129 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315369355] [2022-03-15 17:58:10,129 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 17:58:10,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:58:10,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:58:10,130 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:58:10,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 17:58:10,200 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 17:58:10,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 17:58:10,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 17:58:10,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:58:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:58:10,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:58:10,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:58:10,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315369355] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:58:10,360 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:58:10,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-03-15 17:58:10,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [555045845] [2022-03-15 17:58:10,361 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:58:10,361 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:58:10,362 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 17:58:10,362 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:58:10,362 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:58:10,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:58:10,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:58:10,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:58:10,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-03-15 17:58:10,363 INFO L87 Difference]: Start difference. First operand 95145 states and 483392 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:58:13,407 INFO L93 Difference]: Finished difference Result 145903 states and 724383 transitions. [2022-03-15 17:58:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 17:58:13,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-03-15 17:58:13,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:58:15,163 INFO L225 Difference]: With dead ends: 145903 [2022-03-15 17:58:15,163 INFO L226 Difference]: Without dead ends: 145903 [2022-03-15 17:58:15,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-03-15 17:58:15,164 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 209 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 17:58:15,164 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 124 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 17:58:15,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145903 states. [2022-03-15 17:58:19,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145903 to 100539. [2022-03-15 17:58:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100539 states, 100523 states have (on average 5.131651462849298) internal successors, (515849), 100538 states have internal predecessors, (515849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:21,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100539 states to 100539 states and 515849 transitions. [2022-03-15 17:58:21,326 INFO L78 Accepts]: Start accepts. Automaton has 100539 states and 515849 transitions. Word has length 12 [2022-03-15 17:58:21,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:58:21,326 INFO L470 AbstractCegarLoop]: Abstraction has 100539 states and 515849 transitions. [2022-03-15 17:58:21,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 100539 states and 515849 transitions. [2022-03-15 17:58:21,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:58:21,327 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:58:21,327 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:58:21,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-15 17:58:21,543 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:58:21,544 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:58:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:58:21,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1935054694, now seen corresponding path program 3 times [2022-03-15 17:58:21,546 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:58:21,546 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632260821] [2022-03-15 17:58:21,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:58:21,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:58:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:58:21,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:58:21,607 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:58:21,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632260821] [2022-03-15 17:58:21,607 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632260821] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:58:21,607 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753696653] [2022-03-15 17:58:21,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 17:58:21,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:58:21,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:58:21,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:58:21,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-15 17:58:21,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 17:58:21,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 17:58:21,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-15 17:58:21,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:58:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 17:58:21,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 17:58:21,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753696653] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:58:21,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 17:58:21,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-03-15 17:58:21,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [329046456] [2022-03-15 17:58:21,746 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:58:21,747 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:58:21,747 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:58:21,748 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:58:21,748 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:58:21,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:58:21,748 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:58:21,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:58:21,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-03-15 17:58:21,748 INFO L87 Difference]: Start difference. First operand 100539 states and 515849 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:25,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:58:25,859 INFO L93 Difference]: Finished difference Result 232257 states and 1180713 transitions. [2022-03-15 17:58:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:58:25,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 17:58:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:58:29,125 INFO L225 Difference]: With dead ends: 232257 [2022-03-15 17:58:29,126 INFO L226 Difference]: Without dead ends: 232257 [2022-03-15 17:58:29,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:58:29,126 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 147 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:58:29,127 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 42 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:58:29,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232257 states. [2022-03-15 17:58:36,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232257 to 149027. [2022-03-15 17:58:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149027 states, 149011 states have (on average 5.1269302266275645) internal successors, (763969), 149026 states have internal predecessors, (763969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149027 states to 149027 states and 763969 transitions. [2022-03-15 17:58:38,640 INFO L78 Accepts]: Start accepts. Automaton has 149027 states and 763969 transitions. Word has length 13 [2022-03-15 17:58:38,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:58:38,641 INFO L470 AbstractCegarLoop]: Abstraction has 149027 states and 763969 transitions. [2022-03-15 17:58:38,641 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 149027 states and 763969 transitions. [2022-03-15 17:58:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 17:58:38,642 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:58:38,642 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:58:38,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-03-15 17:58:38,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:58:38,850 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:58:38,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:58:38,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1678934867, now seen corresponding path program 1 times [2022-03-15 17:58:38,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:58:38,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766657277] [2022-03-15 17:58:38,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:58:38,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:58:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:58:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:58:38,896 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:58:38,897 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766657277] [2022-03-15 17:58:38,897 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766657277] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:58:38,897 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:58:38,897 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:58:38,897 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1998637368] [2022-03-15 17:58:38,897 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:58:38,897 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:58:38,898 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2022-03-15 17:58:38,898 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:58:38,898 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:58:38,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 17:58:38,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:58:38,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 17:58:38,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:58:38,899 INFO L87 Difference]: Start difference. First operand 149027 states and 763969 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:58:44,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:58:44,025 INFO L93 Difference]: Finished difference Result 261875 states and 1338507 transitions. [2022-03-15 17:58:44,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 17:58:44,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-03-15 17:58:44,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:58:48,289 INFO L225 Difference]: With dead ends: 261875 [2022-03-15 17:58:48,289 INFO L226 Difference]: Without dead ends: 261875 [2022-03-15 17:58:48,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-03-15 17:58:48,294 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 128 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:58:48,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 31 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:58:49,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261875 states. [2022-03-15 17:58:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261875 to 195474. [2022-03-15 17:58:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195474 states, 195458 states have (on average 5.185927411515517) internal successors, (1013631), 195473 states have internal predecessors, (1013631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:01,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195474 states to 195474 states and 1013631 transitions. [2022-03-15 17:59:01,578 INFO L78 Accepts]: Start accepts. Automaton has 195474 states and 1013631 transitions. Word has length 14 [2022-03-15 17:59:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:59:01,578 INFO L470 AbstractCegarLoop]: Abstraction has 195474 states and 1013631 transitions. [2022-03-15 17:59:01,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 195474 states and 1013631 transitions. [2022-03-15 17:59:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:59:01,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:59:01,580 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:59:01,580 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 17:59:01,581 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:59:01,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:59:01,582 INFO L85 PathProgramCache]: Analyzing trace with hash -507371298, now seen corresponding path program 1 times [2022-03-15 17:59:01,582 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:59:01,582 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543821114] [2022-03-15 17:59:01,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:59:01,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:59:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:59:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:59:01,625 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:59:01,625 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543821114] [2022-03-15 17:59:01,626 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543821114] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:59:01,626 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56752785] [2022-03-15 17:59:01,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:59:01,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:59:01,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:59:01,636 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:59:01,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-15 17:59:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:59:01,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 17:59:01,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:59:01,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:59:01,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:59:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:59:01,837 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56752785] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:59:01,837 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:59:01,837 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 12 [2022-03-15 17:59:01,838 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1431820357] [2022-03-15 17:59:01,838 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:59:01,838 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:59:01,839 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 17:59:01,839 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:59:01,839 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:59:01,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:59:01,840 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:59:01,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:59:01,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:59:01,840 INFO L87 Difference]: Start difference. First operand 195474 states and 1013631 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:59:07,242 INFO L93 Difference]: Finished difference Result 290527 states and 1485987 transitions. [2022-03-15 17:59:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 17:59:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-03-15 17:59:07,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:59:11,784 INFO L225 Difference]: With dead ends: 290527 [2022-03-15 17:59:11,784 INFO L226 Difference]: Without dead ends: 290527 [2022-03-15 17:59:11,784 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2022-03-15 17:59:11,786 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 164 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 17:59:11,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 73 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 17:59:12,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290527 states. [2022-03-15 17:59:24,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290527 to 209800. [2022-03-15 17:59:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209800 states, 209784 states have (on average 5.251577813369942) internal successors, (1101697), 209799 states have internal predecessors, (1101697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209800 states to 209800 states and 1101697 transitions. [2022-03-15 17:59:28,059 INFO L78 Accepts]: Start accepts. Automaton has 209800 states and 1101697 transitions. Word has length 15 [2022-03-15 17:59:28,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:59:28,059 INFO L470 AbstractCegarLoop]: Abstraction has 209800 states and 1101697 transitions. [2022-03-15 17:59:28,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:28,060 INFO L276 IsEmpty]: Start isEmpty. Operand 209800 states and 1101697 transitions. [2022-03-15 17:59:28,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:59:28,061 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:59:28,061 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:59:28,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-15 17:59:28,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-03-15 17:59:28,278 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:59:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:59:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1332077626, now seen corresponding path program 1 times [2022-03-15 17:59:28,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:59:28,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824058745] [2022-03-15 17:59:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:59:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:59:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:59:28,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-15 17:59:28,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:59:28,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824058745] [2022-03-15 17:59:28,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824058745] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:59:28,294 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:59:28,294 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:59:28,294 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [597253702] [2022-03-15 17:59:28,294 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:59:28,295 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:59:28,296 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 17:59:28,296 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:59:28,296 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:59:28,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:59:28,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:59:28,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:59:28,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:59:28,296 INFO L87 Difference]: Start difference. First operand 209800 states and 1101697 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:33,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:59:33,165 INFO L93 Difference]: Finished difference Result 252991 states and 1313400 transitions. [2022-03-15 17:59:33,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:59:33,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-03-15 17:59:33,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:59:37,336 INFO L225 Difference]: With dead ends: 252991 [2022-03-15 17:59:37,336 INFO L226 Difference]: Without dead ends: 252991 [2022-03-15 17:59:37,336 INFO L932 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 [2022-03-15 17:59:37,340 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 38 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:59:37,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 36 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:59:38,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252991 states. [2022-03-15 17:59:48,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252991 to 237849. [2022-03-15 17:59:49,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237849 states, 237833 states have (on average 5.250104064616769) internal successors, (1248648), 237848 states have internal predecessors, (1248648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237849 states to 237849 states and 1248648 transitions. [2022-03-15 17:59:52,073 INFO L78 Accepts]: Start accepts. Automaton has 237849 states and 1248648 transitions. Word has length 15 [2022-03-15 17:59:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:59:52,073 INFO L470 AbstractCegarLoop]: Abstraction has 237849 states and 1248648 transitions. [2022-03-15 17:59:52,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 17:59:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 237849 states and 1248648 transitions. [2022-03-15 17:59:52,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-03-15 17:59:52,075 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:59:52,076 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:59:52,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 17:59:52,076 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:59:52,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:59:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1451360973, now seen corresponding path program 2 times [2022-03-15 17:59:52,077 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:59:52,077 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123174084] [2022-03-15 17:59:52,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:59:52,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:59:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:59:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:59:52,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:59:52,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123174084] [2022-03-15 17:59:52,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123174084] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:59:52,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682511738] [2022-03-15 17:59:52,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 17:59:52,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:59:52,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:59:52,175 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 17:59:52,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-15 17:59:52,272 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-15 17:59:52,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 17:59:52,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 17:59:52,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:59:52,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:59:52,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:59:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:59:52,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682511738] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:59:52,443 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:59:52,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2022-03-15 17:59:52,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2036491033] [2022-03-15 17:59:52,443 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:59:52,444 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:59:52,445 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 16 transitions. [2022-03-15 17:59:52,445 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:59:52,446 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:59:52,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 17:59:52,446 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:59:52,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 17:59:52,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-03-15 17:59:52,447 INFO L87 Difference]: Start difference. First operand 237849 states and 1248648 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:00:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:00:01,226 INFO L93 Difference]: Finished difference Result 361441 states and 1847640 transitions. [2022-03-15 18:00:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 18:00:01,226 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-03-15 18:00:01,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 18:00:07,825 INFO L225 Difference]: With dead ends: 361441 [2022-03-15 18:00:07,825 INFO L226 Difference]: Without dead ends: 361441 [2022-03-15 18:00:07,825 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2022-03-15 18:00:07,826 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 196 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 18:00:07,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 127 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 18:00:09,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361441 states. [2022-03-15 18:00:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361441 to 254965. [2022-03-15 18:00:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254965 states, 254949 states have (on average 5.30973645709534) internal successors, (1353712), 254964 states have internal predecessors, (1353712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:00:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254965 states to 254965 states and 1353712 transitions. [2022-03-15 18:00:29,635 INFO L78 Accepts]: Start accepts. Automaton has 254965 states and 1353712 transitions. Word has length 16 [2022-03-15 18:00:29,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 18:00:29,636 INFO L470 AbstractCegarLoop]: Abstraction has 254965 states and 1353712 transitions. [2022-03-15 18:00:29,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:00:29,636 INFO L276 IsEmpty]: Start isEmpty. Operand 254965 states and 1353712 transitions. [2022-03-15 18:00:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 18:00:29,641 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 18:00:29,641 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 18:00:29,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-03-15 18:00:29,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-03-15 18:00:29,857 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 18:00:29,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 18:00:29,857 INFO L85 PathProgramCache]: Analyzing trace with hash 2042519230, now seen corresponding path program 3 times [2022-03-15 18:00:29,860 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 18:00:29,860 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222240813] [2022-03-15 18:00:29,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 18:00:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 18:00:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 18:00:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 18:00:30,004 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 18:00:30,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222240813] [2022-03-15 18:00:30,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222240813] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 18:00:30,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601516164] [2022-03-15 18:00:30,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 18:00:30,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 18:00:30,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 18:00:30,015 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 18:00:30,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-15 18:00:30,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-03-15 18:00:30,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 18:00:30,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-15 18:00:30,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 18:00:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-03-15 18:00:30,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 18:00:30,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601516164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 18:00:30,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 18:00:30,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-03-15 18:00:30,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1022992004] [2022-03-15 18:00:30,199 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 18:00:30,200 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 18:00:30,201 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2022-03-15 18:00:30,202 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 18:00:30,202 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 18:00:30,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 18:00:30,202 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 18:00:30,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 18:00:30,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-03-15 18:00:30,203 INFO L87 Difference]: Start difference. First operand 254965 states and 1353712 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 18:00:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 18:00:40,807 INFO L93 Difference]: Finished difference Result 460071 states and 2442071 transitions. [2022-03-15 18:00:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 18:00:40,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 18:00:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted.