/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-ext/13_unverif.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 17:39:04,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 17:39:04,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 17:39:04,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-15 17:39:04,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 17:39:04,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 17:39:04,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 17:39:04,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 17:39:04,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 17:39:04,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 17:39:04,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 17:39:04,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 17:39:04,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 17:39:04,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 17:39:04,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 17:39:04,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 17:39:04,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-15 17:39:04,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 17:39:04,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 17:39:04,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 17:39:04,689 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 17:39:04,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 17:39:04,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 17:39:04,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 17:39:04,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 17:39:04,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 17:39:04,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 17:39:04,709 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 17:39:04,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 17:39:04,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 17:39:04,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 17:39:04,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 17:39:04,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 17:39:04,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 17:39:04,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:39:04,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 17:39:04,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 17:39:04,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 17:39:04,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 17:39:04,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 17:39:04,714 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 17:39:04,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 17:39:04,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 17:39:04,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-15 17:39:04,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 17:39:04,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 17:39:04,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 17:39:04,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 17:39:04,900 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 17:39:04,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/13_unverif.i [2022-03-15 17:39:04,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257eaa9de/9474a3c5c26e435c82b7afb5eaee9828/FLAGea845accd [2022-03-15 17:39:05,387 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 17:39:05,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/13_unverif.i [2022-03-15 17:39:05,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257eaa9de/9474a3c5c26e435c82b7afb5eaee9828/FLAGea845accd [2022-03-15 17:39:05,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257eaa9de/9474a3c5c26e435c82b7afb5eaee9828 [2022-03-15 17:39:05,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 17:39:05,413 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 17:39:05,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 17:39:05,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 17:39:05,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 17:39:05,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408dfd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05, skipping insertion in model container [2022-03-15 17:39:05,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 17:39:05,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 17:39:05,707 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-ext/13_unverif.i[30213,30226] [2022-03-15 17:39:05,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:39:05,720 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 17:39:05,752 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-ext/13_unverif.i[30213,30226] [2022-03-15 17:39:05,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 17:39:05,780 INFO L208 MainTranslator]: Completed translation [2022-03-15 17:39:05,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05 WrapperNode [2022-03-15 17:39:05,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 17:39:05,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 17:39:05,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 17:39:05,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 17:39:05,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,825 INFO L137 Inliner]: procedures = 168, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2022-03-15 17:39:05,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 17:39:05,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 17:39:05,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 17:39:05,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 17:39:05,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 17:39:05,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 17:39:05,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 17:39:05,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 17:39:05,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (1/1) ... [2022-03-15 17:39:05,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 17:39:05,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:39:05,867 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 17:39:05,890 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 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-03-15 17:39:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-03-15 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 17:39:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 17:39:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 17:39:05,910 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 17:39:05,996 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 17:39:05,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 17:39:06,102 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 17:39:06,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 17:39:06,131 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 17:39:06,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:39:06 BoogieIcfgContainer [2022-03-15 17:39:06,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 17:39:06,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 17:39:06,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 17:39:06,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 17:39:06,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 05:39:05" (1/3) ... [2022-03-15 17:39:06,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4973a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:39:06, skipping insertion in model container [2022-03-15 17:39:06,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 05:39:05" (2/3) ... [2022-03-15 17:39:06,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4973a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 05:39:06, skipping insertion in model container [2022-03-15 17:39:06,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 05:39:06" (3/3) ... [2022-03-15 17:39:06,141 INFO L111 eAbstractionObserver]: Analyzing ICFG 13_unverif.i [2022-03-15 17:39:06,145 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 17:39:06,146 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 17:39:06,146 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-15 17:39:06,146 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 17:39:06,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,177 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,178 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,179 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,181 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,183 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,184 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,185 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,186 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,187 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,188 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,193 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,194 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:06,195 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:39:06,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:39:06,246 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 17:39:06,246 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-15 17:39:06,255 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:39:06,261 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 44 transitions, 93 flow [2022-03-15 17:39:06,263 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 44 transitions, 93 flow [2022-03-15 17:39:06,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 44 transitions, 93 flow [2022-03-15 17:39:06,293 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2022-03-15 17:39:06,293 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 17:39:06,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 55 events. 4/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 27. Up to 4 conditions per place. [2022-03-15 17:39:06,297 INFO L116 LiptonReduction]: Number of co-enabled transitions 392 [2022-03-15 17:39:07,273 INFO L131 LiptonReduction]: Checked pairs total: 341 [2022-03-15 17:39:07,273 INFO L133 LiptonReduction]: Total number of compositions: 41 [2022-03-15 17:39:07,285 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions, 25 flow [2022-03-15 17:39:07,296 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 17:39:07,298 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 17:39:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-03-15 17:39:07,305 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:07,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-03-15 17:39:07,306 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:39:07,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:07,309 INFO L85 PathProgramCache]: Analyzing trace with hash 206567964, now seen corresponding path program 1 times [2022-03-15 17:39:07,324 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:07,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572229794] [2022-03-15 17:39:07,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:07,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:07,484 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 17:39:07,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:07,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572229794] [2022-03-15 17:39:07,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572229794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:07,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:07,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:39:07,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [172101922] [2022-03-15 17:39:07,486 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:07,488 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:07,494 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2022-03-15 17:39:07,495 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:07,497 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:07,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:07,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:07,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:07,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:07,513 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 17:39:07,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:07,532 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2022-03-15 17:39:07,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:07,534 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 17:39:07,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:07,539 INFO L225 Difference]: With dead ends: 23 [2022-03-15 17:39:07,539 INFO L226 Difference]: Without dead ends: 23 [2022-03-15 17:39:07,540 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 17:39:07,543 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:07,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 4 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:39:07,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-03-15 17:39:07,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-03-15 17:39:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.8095238095238095) internal successors, (38), 22 states have internal predecessors, (38), 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 17:39:07,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2022-03-15 17:39:07,567 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2022-03-15 17:39:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:07,567 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2022-03-15 17:39:07,568 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 17:39:07,570 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-03-15 17:39:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 17:39:07,574 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:07,574 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-03-15 17:39:07,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 17:39:07,575 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:39:07,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:07,577 INFO L85 PathProgramCache]: Analyzing trace with hash 2108640013, now seen corresponding path program 1 times [2022-03-15 17:39:07,578 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:07,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161495235] [2022-03-15 17:39:07,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:07,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:07,696 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:07,696 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161495235] [2022-03-15 17:39:07,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161495235] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:07,697 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:07,697 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 17:39:07,697 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1150798236] [2022-03-15 17:39:07,697 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:07,697 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:07,698 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2022-03-15 17:39:07,698 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:07,699 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:07,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 17:39:07,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:07,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 17:39:07,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 17:39:07,700 INFO L87 Difference]: Start difference. First operand 23 states and 38 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:39:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:07,721 INFO L93 Difference]: Finished difference Result 19 states and 31 transitions. [2022-03-15 17:39:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 17:39:07,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-03-15 17:39:07,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:07,722 INFO L225 Difference]: With dead ends: 19 [2022-03-15 17:39:07,722 INFO L226 Difference]: Without dead ends: 19 [2022-03-15 17:39:07,723 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 17:39:07,723 INFO L933 BasicCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:07,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:39:07,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-03-15 17:39:07,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 15. [2022-03-15 17:39:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 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 17:39:07,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 24 transitions. [2022-03-15 17:39:07,726 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 24 transitions. Word has length 6 [2022-03-15 17:39:07,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:07,726 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 24 transitions. [2022-03-15 17:39:07,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:39:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-03-15 17:39:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-03-15 17:39:07,727 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:07,727 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-03-15 17:39:07,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 17:39:07,727 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:39:07,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:07,728 INFO L85 PathProgramCache]: Analyzing trace with hash 2108614561, now seen corresponding path program 1 times [2022-03-15 17:39:07,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:07,730 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619850644] [2022-03-15 17:39:07,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:07,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:07,754 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:39:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:07,781 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:39:07,783 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:39:07,784 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 3 remaining) [2022-03-15 17:39:07,787 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-03-15 17:39:07,788 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-03-15 17:39:07,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 17:39:07,789 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-15 17:39:07,790 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:39:07,790 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,800 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,800 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,800 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,800 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,800 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,803 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,804 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,805 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,806 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,806 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,806 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,806 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,807 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,808 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,809 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,809 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,811 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,812 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,812 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,812 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,813 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:07,814 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:39:07,816 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:39:07,817 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 17:39:07,817 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 17:39:07,820 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:39:07,820 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 59 transitions, 130 flow [2022-03-15 17:39:07,821 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 59 transitions, 130 flow [2022-03-15 17:39:07,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 59 transitions, 130 flow [2022-03-15 17:39:07,840 INFO L129 PetriNetUnfolder]: 7/83 cut-off events. [2022-03-15 17:39:07,840 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 17:39:07,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 83 events. 7/83 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 152 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 56. Up to 6 conditions per place. [2022-03-15 17:39:07,843 INFO L116 LiptonReduction]: Number of co-enabled transitions 1204 [2022-03-15 17:39:08,572 INFO L131 LiptonReduction]: Checked pairs total: 2510 [2022-03-15 17:39:08,572 INFO L133 LiptonReduction]: Total number of compositions: 44 [2022-03-15 17:39:08,573 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 23 transitions, 58 flow [2022-03-15 17:39:08,604 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 283 states, 275 states have (on average 3.109090909090909) internal successors, (855), 282 states have internal predecessors, (855), 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 17:39:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 275 states have (on average 3.109090909090909) internal successors, (855), 282 states have internal predecessors, (855), 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 17:39:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:39:08,606 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:08,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:08,606 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:39:08,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:08,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1724096568, now seen corresponding path program 1 times [2022-03-15 17:39:08,609 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:08,609 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446434044] [2022-03-15 17:39:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:08,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:08,684 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 17:39:08,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:08,685 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446434044] [2022-03-15 17:39:08,687 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446434044] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:08,688 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:08,688 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:08,688 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2037860321] [2022-03-15 17:39:08,688 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:08,689 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:08,692 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:39:08,692 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:08,693 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:08,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:08,693 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:08,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:08,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:08,695 INFO L87 Difference]: Start difference. First operand has 283 states, 275 states have (on average 3.109090909090909) internal successors, (855), 282 states have internal predecessors, (855), 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 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:08,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:08,767 INFO L93 Difference]: Finished difference Result 360 states and 977 transitions. [2022-03-15 17:39:08,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:08,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:08,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:08,778 INFO L225 Difference]: With dead ends: 360 [2022-03-15 17:39:08,778 INFO L226 Difference]: Without dead ends: 360 [2022-03-15 17:39:08,778 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:08,780 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 32 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:08,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 32 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 17:39:08,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-03-15 17:39:08,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 295. [2022-03-15 17:39:08,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 289 states have (on average 2.7681660899653977) internal successors, (800), 294 states have internal predecessors, (800), 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 17:39:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 800 transitions. [2022-03-15 17:39:08,809 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 800 transitions. Word has length 7 [2022-03-15 17:39:08,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:08,809 INFO L470 AbstractCegarLoop]: Abstraction has 295 states and 800 transitions. [2022-03-15 17:39:08,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 800 transitions. [2022-03-15 17:39:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 17:39:08,810 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:08,810 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:08,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 17:39:08,810 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:39:08,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:08,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1000579818, now seen corresponding path program 1 times [2022-03-15 17:39:08,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:08,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513569973] [2022-03-15 17:39:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:08,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:08,880 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:08,880 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513569973] [2022-03-15 17:39:08,880 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513569973] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:08,880 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:08,880 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:08,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [597199431] [2022-03-15 17:39:08,880 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:08,881 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:08,881 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 17:39:08,881 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:08,881 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:08,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:08,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:08,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:08,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:08,882 INFO L87 Difference]: Start difference. First operand 295 states and 800 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:08,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:08,948 INFO L93 Difference]: Finished difference Result 336 states and 918 transitions. [2022-03-15 17:39:08,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:08,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-03-15 17:39:08,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:08,951 INFO L225 Difference]: With dead ends: 336 [2022-03-15 17:39:08,951 INFO L226 Difference]: Without dead ends: 336 [2022-03-15 17:39:08,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:08,952 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:08,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 33 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:08,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-03-15 17:39:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 268. [2022-03-15 17:39:08,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 263 states have (on average 2.790874524714829) internal successors, (734), 267 states have internal predecessors, (734), 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 17:39:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 734 transitions. [2022-03-15 17:39:08,994 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 734 transitions. Word has length 9 [2022-03-15 17:39:08,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:08,994 INFO L470 AbstractCegarLoop]: Abstraction has 268 states and 734 transitions. [2022-03-15 17:39:08,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 734 transitions. [2022-03-15 17:39:08,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:39:08,995 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:08,995 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-03-15 17:39:08,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 17:39:08,995 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-15 17:39:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:08,996 INFO L85 PathProgramCache]: Analyzing trace with hash 853074311, now seen corresponding path program 1 times [2022-03-15 17:39:08,999 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:09,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632996545] [2022-03-15 17:39:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:09,010 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:39:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:09,017 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:39:09,017 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:39:09,017 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-03-15 17:39:09,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-03-15 17:39:09,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-03-15 17:39:09,018 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-03-15 17:39:09,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 17:39:09,018 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-03-15 17:39:09,018 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:39:09,018 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,023 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,024 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,025 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,026 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,027 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,028 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,029 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,030 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:09,031 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:39:09,032 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:39:09,032 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 17:39:09,032 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-15 17:39:09,033 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:39:09,033 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 74 transitions, 169 flow [2022-03-15 17:39:09,033 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 74 transitions, 169 flow [2022-03-15 17:39:09,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 74 transitions, 169 flow [2022-03-15 17:39:09,042 INFO L129 PetriNetUnfolder]: 10/111 cut-off events. [2022-03-15 17:39:09,043 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-03-15 17:39:09,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 111 events. 10/111 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 223 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 87. Up to 8 conditions per place. [2022-03-15 17:39:09,045 INFO L116 LiptonReduction]: Number of co-enabled transitions 2436 [2022-03-15 17:39:09,881 INFO L131 LiptonReduction]: Checked pairs total: 5889 [2022-03-15 17:39:09,882 INFO L133 LiptonReduction]: Total number of compositions: 55 [2022-03-15 17:39:09,882 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 31 transitions, 83 flow [2022-03-15 17:39:09,928 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1752 states, 1733 states have (on average 4.195037507212925) internal successors, (7270), 1751 states have internal predecessors, (7270), 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 17:39:09,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 1752 states, 1733 states have (on average 4.195037507212925) internal successors, (7270), 1751 states have internal predecessors, (7270), 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 17:39:09,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:39:09,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:09,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:09,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:39:09,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:09,933 INFO L85 PathProgramCache]: Analyzing trace with hash 801086655, now seen corresponding path program 1 times [2022-03-15 17:39:09,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:09,934 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593263197] [2022-03-15 17:39:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:09,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:09,966 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 17:39:09,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:09,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593263197] [2022-03-15 17:39:09,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593263197] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:09,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:09,967 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:09,967 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1476369113] [2022-03-15 17:39:09,967 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:09,967 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:09,967 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:39:09,967 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:09,968 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:09,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:09,968 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:09,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:09,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:09,974 INFO L87 Difference]: Start difference. First operand has 1752 states, 1733 states have (on average 4.195037507212925) internal successors, (7270), 1751 states have internal predecessors, (7270), 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 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:10,074 INFO L93 Difference]: Finished difference Result 2225 states and 8181 transitions. [2022-03-15 17:39:10,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:10,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:10,113 INFO L225 Difference]: With dead ends: 2225 [2022-03-15 17:39:10,113 INFO L226 Difference]: Without dead ends: 2225 [2022-03-15 17:39:10,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:10,114 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 45 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:10,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 45 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2022-03-15 17:39:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1733. [2022-03-15 17:39:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1721 states have (on average 3.714119697850087) internal successors, (6392), 1732 states have internal predecessors, (6392), 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 17:39:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 6392 transitions. [2022-03-15 17:39:10,162 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 6392 transitions. Word has length 7 [2022-03-15 17:39:10,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:10,162 INFO L470 AbstractCegarLoop]: Abstraction has 1733 states and 6392 transitions. [2022-03-15 17:39:10,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 6392 transitions. [2022-03-15 17:39:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 17:39:10,163 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:10,163 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:10,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 17:39:10,164 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:39:10,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:10,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1045122098, now seen corresponding path program 1 times [2022-03-15 17:39:10,165 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:10,165 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725686279] [2022-03-15 17:39:10,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:10,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:10,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:10,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725686279] [2022-03-15 17:39:10,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725686279] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:10,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:10,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:10,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [201130077] [2022-03-15 17:39:10,196 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:10,196 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:10,197 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 17:39:10,197 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:10,197 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:10,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:10,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:10,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:10,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:10,198 INFO L87 Difference]: Start difference. First operand 1733 states and 6392 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:10,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:10,309 INFO L93 Difference]: Finished difference Result 2215 states and 8202 transitions. [2022-03-15 17:39:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:10,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-03-15 17:39:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:10,321 INFO L225 Difference]: With dead ends: 2215 [2022-03-15 17:39:10,321 INFO L226 Difference]: Without dead ends: 2215 [2022-03-15 17:39:10,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:10,322 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 34 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:10,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 41 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-03-15 17:39:10,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 1834. [2022-03-15 17:39:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1823 states have (on average 3.733955019199122) internal successors, (6807), 1833 states have internal predecessors, (6807), 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 17:39:10,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 6807 transitions. [2022-03-15 17:39:10,372 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 6807 transitions. Word has length 9 [2022-03-15 17:39:10,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:10,373 INFO L470 AbstractCegarLoop]: Abstraction has 1834 states and 6807 transitions. [2022-03-15 17:39:10,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:10,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 6807 transitions. [2022-03-15 17:39:10,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:39:10,373 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:10,374 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:10,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 17:39:10,374 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:39:10,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:10,374 INFO L85 PathProgramCache]: Analyzing trace with hash -715179401, now seen corresponding path program 1 times [2022-03-15 17:39:10,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:10,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811586677] [2022-03-15 17:39:10,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:10,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:10,406 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 17:39:10,406 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:10,406 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811586677] [2022-03-15 17:39:10,406 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811586677] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:10,406 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:10,406 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:10,406 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1423304112] [2022-03-15 17:39:10,407 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:10,407 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:10,408 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:39:10,408 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:10,408 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:10,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:10,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:10,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:10,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:10,408 INFO L87 Difference]: Start difference. First operand 1834 states and 6807 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:10,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:10,491 INFO L93 Difference]: Finished difference Result 2393 states and 8837 transitions. [2022-03-15 17:39:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:10,491 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:10,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:10,504 INFO L225 Difference]: With dead ends: 2393 [2022-03-15 17:39:10,504 INFO L226 Difference]: Without dead ends: 2393 [2022-03-15 17:39:10,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:10,505 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 38 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:10,505 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 49 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2393 states. [2022-03-15 17:39:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2393 to 2040. [2022-03-15 17:39:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 2029 states have (on average 3.7220305569245933) internal successors, (7552), 2039 states have internal predecessors, (7552), 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 17:39:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 7552 transitions. [2022-03-15 17:39:10,586 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 7552 transitions. Word has length 11 [2022-03-15 17:39:10,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:10,586 INFO L470 AbstractCegarLoop]: Abstraction has 2040 states and 7552 transitions. [2022-03-15 17:39:10,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 7552 transitions. [2022-03-15 17:39:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:39:10,590 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:10,590 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:10,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 17:39:10,590 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:39:10,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:10,591 INFO L85 PathProgramCache]: Analyzing trace with hash -92660276, now seen corresponding path program 1 times [2022-03-15 17:39:10,591 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:10,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393116531] [2022-03-15 17:39:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:10,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:39:10,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:10,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393116531] [2022-03-15 17:39:10,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393116531] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:10,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:10,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:10,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1954654026] [2022-03-15 17:39:10,663 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:10,664 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:10,665 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:39:10,665 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:10,665 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:10,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:10,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:10,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:10,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:10,666 INFO L87 Difference]: Start difference. First operand 2040 states and 7552 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:10,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:10,761 INFO L93 Difference]: Finished difference Result 2461 states and 9139 transitions. [2022-03-15 17:39:10,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:10,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:10,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:10,774 INFO L225 Difference]: With dead ends: 2461 [2022-03-15 17:39:10,774 INFO L226 Difference]: Without dead ends: 2461 [2022-03-15 17:39:10,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:10,775 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 30 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:10,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 41 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:10,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2461 states. [2022-03-15 17:39:10,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2461 to 2159. [2022-03-15 17:39:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 2150 states have (on average 3.74) internal successors, (8041), 2158 states have internal predecessors, (8041), 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 17:39:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 8041 transitions. [2022-03-15 17:39:10,837 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 8041 transitions. Word has length 13 [2022-03-15 17:39:10,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:10,837 INFO L470 AbstractCegarLoop]: Abstraction has 2159 states and 8041 transitions. [2022-03-15 17:39:10,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:10,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 8041 transitions. [2022-03-15 17:39:10,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 17:39:10,839 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:10,839 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:10,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 17:39:10,839 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:39:10,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:10,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1100119255, now seen corresponding path program 1 times [2022-03-15 17:39:10,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:10,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872757014] [2022-03-15 17:39:10,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:10,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:10,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:10,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872757014] [2022-03-15 17:39:10,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872757014] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:39:10,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639838285] [2022-03-15 17:39:10,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:10,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:39:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:39:10,902 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 17:39:10,903 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 17:39:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:10,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 17:39:10,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:39:11,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:11,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:39:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:11,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639838285] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 17:39:11,104 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 17:39:11,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-03-15 17:39:11,105 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1444249708] [2022-03-15 17:39:11,105 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:11,105 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:11,106 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 26 transitions. [2022-03-15 17:39:11,106 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:11,270 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [28485#(not (= (mod ~r~0 4294967296) 1)), 28512#(and (or (<= 0 ~r~0) (= 4294967295 (mod ~r~0 4294967296))) (or (= 4294967295 (mod ~r~0 4294967296)) (<= ~r~0 0)))] [2022-03-15 17:39:11,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 17:39:11,271 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:11,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 17:39:11,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:39:11,271 INFO L87 Difference]: Start difference. First operand 2159 states and 8041 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 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 17:39:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:11,332 INFO L93 Difference]: Finished difference Result 650 states and 1950 transitions. [2022-03-15 17:39:11,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:11,333 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 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 17:39:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:11,336 INFO L225 Difference]: With dead ends: 650 [2022-03-15 17:39:11,336 INFO L226 Difference]: Without dead ends: 650 [2022-03-15 17:39:11,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 17:39:11,337 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 57 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:11,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 39 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2022-03-15 17:39:11,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 530. [2022-03-15 17:39:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 528 states have (on average 2.9431818181818183) internal successors, (1554), 529 states have internal predecessors, (1554), 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 17:39:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 1554 transitions. [2022-03-15 17:39:11,349 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 1554 transitions. Word has length 14 [2022-03-15 17:39:11,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:11,350 INFO L470 AbstractCegarLoop]: Abstraction has 530 states and 1554 transitions. [2022-03-15 17:39:11,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 6 states have internal predecessors, (21), 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 17:39:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1554 transitions. [2022-03-15 17:39:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:39:11,351 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:11,351 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-03-15 17:39:11,370 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 17:39:11,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-15 17:39:11,568 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-03-15 17:39:11,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:11,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1600544586, now seen corresponding path program 1 times [2022-03-15 17:39:11,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:11,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033473046] [2022-03-15 17:39:11,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:11,577 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:39:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:11,584 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:39:11,584 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:39:11,584 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-03-15 17:39:11,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-03-15 17:39:11,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-03-15 17:39:11,584 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-03-15 17:39:11,585 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-03-15 17:39:11,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 17:39:11,585 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-03-15 17:39:11,585 WARN L235 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:39:11,585 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-03-15 17:39:11,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,594 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,595 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,596 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,597 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,598 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,599 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,600 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,601 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,602 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,603 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,605 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,607 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,608 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,609 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,610 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,611 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:11,612 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:39:11,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:39:11,614 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 17:39:11,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-03-15 17:39:11,617 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:39:11,617 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 89 transitions, 210 flow [2022-03-15 17:39:11,617 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 89 transitions, 210 flow [2022-03-15 17:39:11,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 89 transitions, 210 flow [2022-03-15 17:39:11,651 INFO L129 PetriNetUnfolder]: 13/139 cut-off events. [2022-03-15 17:39:11,651 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-03-15 17:39:11,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 139 events. 13/139 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 289 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 119. Up to 10 conditions per place. [2022-03-15 17:39:11,657 INFO L116 LiptonReduction]: Number of co-enabled transitions 4088 [2022-03-15 17:39:12,687 INFO L131 LiptonReduction]: Checked pairs total: 10241 [2022-03-15 17:39:12,687 INFO L133 LiptonReduction]: Total number of compositions: 67 [2022-03-15 17:39:12,688 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 37 transitions, 106 flow [2022-03-15 17:39:12,943 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9065 states, 9023 states have (on average 5.18740995234401) internal successors, (46806), 9064 states have internal predecessors, (46806), 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 17:39:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 9065 states, 9023 states have (on average 5.18740995234401) internal successors, (46806), 9064 states have internal predecessors, (46806), 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 17:39:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:39:12,970 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:12,970 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:12,970 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:12,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:12,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1302523647, now seen corresponding path program 1 times [2022-03-15 17:39:12,972 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:12,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204679032] [2022-03-15 17:39:12,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:12,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:13,010 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 17:39:13,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:13,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204679032] [2022-03-15 17:39:13,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204679032] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:13,011 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:13,011 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:13,011 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [6236240] [2022-03-15 17:39:13,011 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:13,011 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:13,012 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:39:13,012 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:13,012 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:13,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:13,012 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:13,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:13,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:13,035 INFO L87 Difference]: Start difference. First operand has 9065 states, 9023 states have (on average 5.18740995234401) internal successors, (46806), 9064 states have internal predecessors, (46806), 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 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:13,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:13,208 INFO L93 Difference]: Finished difference Result 11281 states and 52563 transitions. [2022-03-15 17:39:13,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:13,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:13,381 INFO L225 Difference]: With dead ends: 11281 [2022-03-15 17:39:13,381 INFO L226 Difference]: Without dead ends: 11281 [2022-03-15 17:39:13,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:13,382 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 58 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:13,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 58 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:13,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11281 states. [2022-03-15 17:39:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11281 to 8757. [2022-03-15 17:39:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8757 states, 8741 states have (on average 4.688250772222858) internal successors, (40980), 8756 states have internal predecessors, (40980), 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 17:39:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8757 states to 8757 states and 40980 transitions. [2022-03-15 17:39:13,765 INFO L78 Accepts]: Start accepts. Automaton has 8757 states and 40980 transitions. Word has length 7 [2022-03-15 17:39:13,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:13,765 INFO L470 AbstractCegarLoop]: Abstraction has 8757 states and 40980 transitions. [2022-03-15 17:39:13,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:13,765 INFO L276 IsEmpty]: Start isEmpty. Operand 8757 states and 40980 transitions. [2022-03-15 17:39:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 17:39:13,766 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:13,766 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:13,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 17:39:13,766 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:13,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:13,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1889752602, now seen corresponding path program 1 times [2022-03-15 17:39:13,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:13,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46392310] [2022-03-15 17:39:13,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:13,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:13,817 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:13,818 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46392310] [2022-03-15 17:39:13,818 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46392310] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:13,818 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:13,818 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:13,818 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1518611740] [2022-03-15 17:39:13,818 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:13,819 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:13,819 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 17:39:13,819 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:13,819 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:13,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:13,819 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:13,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:13,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:13,820 INFO L87 Difference]: Start difference. First operand 8757 states and 40980 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:14,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:14,088 INFO L93 Difference]: Finished difference Result 11765 states and 55156 transitions. [2022-03-15 17:39:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:14,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-03-15 17:39:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:14,167 INFO L225 Difference]: With dead ends: 11765 [2022-03-15 17:39:14,168 INFO L226 Difference]: Without dead ends: 11765 [2022-03-15 17:39:14,168 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:14,168 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 44 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:14,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 49 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11765 states. [2022-03-15 17:39:14,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11765 to 9892. [2022-03-15 17:39:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9892 states, 9877 states have (on average 4.703452465323479) internal successors, (46456), 9891 states have internal predecessors, (46456), 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 17:39:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9892 states to 9892 states and 46456 transitions. [2022-03-15 17:39:14,615 INFO L78 Accepts]: Start accepts. Automaton has 9892 states and 46456 transitions. Word has length 9 [2022-03-15 17:39:14,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:14,615 INFO L470 AbstractCegarLoop]: Abstraction has 9892 states and 46456 transitions. [2022-03-15 17:39:14,615 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 9892 states and 46456 transitions. [2022-03-15 17:39:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:39:14,616 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:14,616 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:14,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 17:39:14,616 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:14,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:14,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1449302470, now seen corresponding path program 1 times [2022-03-15 17:39:14,617 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:14,617 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105003697] [2022-03-15 17:39:14,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:14,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:14,667 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 17:39:14,668 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:14,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105003697] [2022-03-15 17:39:14,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105003697] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:14,668 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:14,668 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:14,668 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [814674409] [2022-03-15 17:39:14,668 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:14,669 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:14,669 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:39:14,669 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:14,669 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:14,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:14,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:14,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:14,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:14,670 INFO L87 Difference]: Start difference. First operand 9892 states and 46456 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:14,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:14,895 INFO L93 Difference]: Finished difference Result 13037 states and 60899 transitions. [2022-03-15 17:39:14,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:14,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:14,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:15,009 INFO L225 Difference]: With dead ends: 13037 [2022-03-15 17:39:15,010 INFO L226 Difference]: Without dead ends: 13037 [2022-03-15 17:39:15,010 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:15,011 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:15,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 48 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:15,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13037 states. [2022-03-15 17:39:15,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13037 to 10774. [2022-03-15 17:39:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10774 states, 10759 states have (on average 4.691235244911237) internal successors, (50473), 10773 states have internal predecessors, (50473), 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 17:39:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10774 states to 10774 states and 50473 transitions. [2022-03-15 17:39:15,676 INFO L78 Accepts]: Start accepts. Automaton has 10774 states and 50473 transitions. Word has length 11 [2022-03-15 17:39:15,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:15,676 INFO L470 AbstractCegarLoop]: Abstraction has 10774 states and 50473 transitions. [2022-03-15 17:39:15,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 10774 states and 50473 transitions. [2022-03-15 17:39:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:39:15,677 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:15,677 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:15,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 17:39:15,677 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:15,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:15,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1210262118, now seen corresponding path program 1 times [2022-03-15 17:39:15,679 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:15,679 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255908186] [2022-03-15 17:39:15,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:15,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:39:15,719 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:15,719 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255908186] [2022-03-15 17:39:15,719 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255908186] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:15,719 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:15,719 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:15,720 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1426491601] [2022-03-15 17:39:15,720 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:15,720 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:15,721 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:39:15,721 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:15,721 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:15,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:15,722 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:15,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:15,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:15,722 INFO L87 Difference]: Start difference. First operand 10774 states and 50473 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:16,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:16,087 INFO L93 Difference]: Finished difference Result 14582 states and 68413 transitions. [2022-03-15 17:39:16,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:16,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:16,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:16,152 INFO L225 Difference]: With dead ends: 14582 [2022-03-15 17:39:16,153 INFO L226 Difference]: Without dead ends: 14582 [2022-03-15 17:39:16,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:16,153 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 42 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:16,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 49 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14582 states. [2022-03-15 17:39:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14582 to 12684. [2022-03-15 17:39:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12684 states, 12670 states have (on average 4.7066298342541435) internal successors, (59633), 12683 states have internal predecessors, (59633), 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 17:39:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12684 states to 12684 states and 59633 transitions. [2022-03-15 17:39:16,627 INFO L78 Accepts]: Start accepts. Automaton has 12684 states and 59633 transitions. Word has length 13 [2022-03-15 17:39:16,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:16,627 INFO L470 AbstractCegarLoop]: Abstraction has 12684 states and 59633 transitions. [2022-03-15 17:39:16,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 12684 states and 59633 transitions. [2022-03-15 17:39:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 17:39:16,628 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:16,628 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:16,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 17:39:16,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:16,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:16,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1135584128, now seen corresponding path program 1 times [2022-03-15 17:39:16,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:16,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275802481] [2022-03-15 17:39:16,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:16,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:16,662 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 17:39:16,663 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:16,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275802481] [2022-03-15 17:39:16,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275802481] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:16,663 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:16,663 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 17:39:16,663 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [493618919] [2022-03-15 17:39:16,663 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:16,664 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:16,665 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 18 transitions. [2022-03-15 17:39:16,665 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:16,676 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:16,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:16,676 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:16,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:16,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:16,677 INFO L87 Difference]: Start difference. First operand 12684 states and 59633 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 17:39:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:16,784 INFO L93 Difference]: Finished difference Result 2698 states and 9857 transitions. [2022-03-15 17:39:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:16,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 14 [2022-03-15 17:39:16,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:16,792 INFO L225 Difference]: With dead ends: 2698 [2022-03-15 17:39:16,792 INFO L226 Difference]: Without dead ends: 2698 [2022-03-15 17:39:16,792 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:16,794 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 41 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:16,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 51 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2022-03-15 17:39:17,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2178. [2022-03-15 17:39:17,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2175 states have (on average 3.5940229885057473) internal successors, (7817), 2177 states have internal predecessors, (7817), 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 17:39:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 7817 transitions. [2022-03-15 17:39:17,018 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 7817 transitions. Word has length 14 [2022-03-15 17:39:17,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:17,018 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 7817 transitions. [2022-03-15 17:39:17,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 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 17:39:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 7817 transitions. [2022-03-15 17:39:17,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:39:17,019 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:17,019 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:17,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 17:39:17,019 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:17,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:17,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1711120393, now seen corresponding path program 1 times [2022-03-15 17:39:17,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:17,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454518570] [2022-03-15 17:39:17,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:17,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:17,063 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 17:39:17,063 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:17,063 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454518570] [2022-03-15 17:39:17,063 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454518570] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:17,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:17,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:17,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1709496836] [2022-03-15 17:39:17,064 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:17,065 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:17,065 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 17:39:17,065 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:17,066 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:17,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:17,066 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:17,066 INFO L87 Difference]: Start difference. First operand 2178 states and 7817 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:39:17,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:17,196 INFO L93 Difference]: Finished difference Result 3751 states and 13527 transitions. [2022-03-15 17:39:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:17,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:39:17,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:17,205 INFO L225 Difference]: With dead ends: 3751 [2022-03-15 17:39:17,205 INFO L226 Difference]: Without dead ends: 3751 [2022-03-15 17:39:17,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:17,206 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 42 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:17,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 35 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:17,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3751 states. [2022-03-15 17:39:17,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3751 to 2520. [2022-03-15 17:39:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2520 states, 2517 states have (on average 3.6086611044894714) internal successors, (9083), 2519 states have internal predecessors, (9083), 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 17:39:17,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 9083 transitions. [2022-03-15 17:39:17,257 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 9083 transitions. Word has length 15 [2022-03-15 17:39:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:17,257 INFO L470 AbstractCegarLoop]: Abstraction has 2520 states and 9083 transitions. [2022-03-15 17:39:17,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:39:17,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 9083 transitions. [2022-03-15 17:39:17,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:39:17,258 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:17,258 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:17,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 17:39:17,259 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:17,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:17,259 INFO L85 PathProgramCache]: Analyzing trace with hash 585808104, now seen corresponding path program 1 times [2022-03-15 17:39:17,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:17,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572515147] [2022-03-15 17:39:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-15 17:39:17,289 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:17,289 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572515147] [2022-03-15 17:39:17,289 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572515147] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:17,289 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:17,290 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:17,290 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [513545735] [2022-03-15 17:39:17,290 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:17,291 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:17,291 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2022-03-15 17:39:17,291 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:17,292 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:17,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:17,292 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:17,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:17,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:17,292 INFO L87 Difference]: Start difference. First operand 2520 states and 9083 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 17:39:17,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:17,362 INFO L93 Difference]: Finished difference Result 2349 states and 8450 transitions. [2022-03-15 17:39:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:17,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 17 [2022-03-15 17:39:17,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:17,367 INFO L225 Difference]: With dead ends: 2349 [2022-03-15 17:39:17,367 INFO L226 Difference]: Without dead ends: 2349 [2022-03-15 17:39:17,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:17,367 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 22 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:17,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 37 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:17,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2022-03-15 17:39:17,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2007. [2022-03-15 17:39:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 2005 states have (on average 3.5830423940149627) internal successors, (7184), 2006 states have internal predecessors, (7184), 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 17:39:17,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 7184 transitions. [2022-03-15 17:39:17,400 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 7184 transitions. Word has length 17 [2022-03-15 17:39:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:17,400 INFO L470 AbstractCegarLoop]: Abstraction has 2007 states and 7184 transitions. [2022-03-15 17:39:17,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 17:39:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 7184 transitions. [2022-03-15 17:39:17,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 17:39:17,402 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:17,402 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:17,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 17:39:17,402 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-03-15 17:39:17,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:17,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1788634498, now seen corresponding path program 1 times [2022-03-15 17:39:17,404 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:17,404 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106039932] [2022-03-15 17:39:17,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:17,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:17,410 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:39:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:39:17,416 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:39:17,416 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:39:17,416 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (5 of 6 remaining) [2022-03-15 17:39:17,416 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-03-15 17:39:17,416 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2022-03-15 17:39:17,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2022-03-15 17:39:17,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-03-15 17:39:17,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-03-15 17:39:17,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 17:39:17,417 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:17,417 WARN L235 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:39:17,417 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,423 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,424 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,425 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,426 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,432 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,433 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:39:17,434 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:39:17,435 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:39:17,435 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 17:39:17,435 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 17:39:17,436 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:39:17,436 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 104 transitions, 253 flow [2022-03-15 17:39:17,436 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 104 transitions, 253 flow [2022-03-15 17:39:17,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 104 transitions, 253 flow [2022-03-15 17:39:17,446 INFO L129 PetriNetUnfolder]: 16/167 cut-off events. [2022-03-15 17:39:17,446 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-03-15 17:39:17,447 INFO L84 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 167 events. 16/167 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 356 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 152. Up to 12 conditions per place. [2022-03-15 17:39:17,450 INFO L116 LiptonReduction]: Number of co-enabled transitions 6160 [2022-03-15 17:39:18,579 INFO L131 LiptonReduction]: Checked pairs total: 15459 [2022-03-15 17:39:18,579 INFO L133 LiptonReduction]: Total number of compositions: 72 [2022-03-15 17:39:18,580 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 50 places, 48 transitions, 141 flow [2022-03-15 17:39:21,404 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 86091 states, 86002 states have (on average 6.269133275970327) internal successors, (539158), 86090 states have internal predecessors, (539158), 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 17:39:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 86091 states, 86002 states have (on average 6.269133275970327) internal successors, (539158), 86090 states have internal predecessors, (539158), 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 17:39:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:39:21,552 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:21,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:21,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:21,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:21,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1770650702, now seen corresponding path program 1 times [2022-03-15 17:39:21,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:21,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773284174] [2022-03-15 17:39:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:21,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:21,593 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 17:39:21,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:21,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773284174] [2022-03-15 17:39:21,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773284174] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:21,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:21,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:21,594 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1030262126] [2022-03-15 17:39:21,594 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:21,594 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:21,596 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:39:21,596 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:21,596 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:21,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:21,596 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:21,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:21,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:21,746 INFO L87 Difference]: Start difference. First operand has 86091 states, 86002 states have (on average 6.269133275970327) internal successors, (539158), 86090 states have internal predecessors, (539158), 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 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:23,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:23,453 INFO L93 Difference]: Finished difference Result 92317 states and 522577 transitions. [2022-03-15 17:39:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:23,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:24,443 INFO L225 Difference]: With dead ends: 92317 [2022-03-15 17:39:24,443 INFO L226 Difference]: Without dead ends: 92317 [2022-03-15 17:39:24,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:24,444 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 75 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:24,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 53 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:24,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92317 states. [2022-03-15 17:39:27,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92317 to 76697. [2022-03-15 17:39:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76697 states, 76589 states have (on average 5.685986238232644) internal successors, (435484), 76696 states have internal predecessors, (435484), 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 17:39:28,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76697 states to 76697 states and 435484 transitions. [2022-03-15 17:39:28,735 INFO L78 Accepts]: Start accepts. Automaton has 76697 states and 435484 transitions. Word has length 7 [2022-03-15 17:39:28,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:28,735 INFO L470 AbstractCegarLoop]: Abstraction has 76697 states and 435484 transitions. [2022-03-15 17:39:28,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:39:28,735 INFO L276 IsEmpty]: Start isEmpty. Operand 76697 states and 435484 transitions. [2022-03-15 17:39:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 17:39:28,736 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:28,736 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:28,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 17:39:28,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:28,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash 788277194, now seen corresponding path program 1 times [2022-03-15 17:39:28,747 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:28,747 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766966628] [2022-03-15 17:39:28,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:28,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:28,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:28,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766966628] [2022-03-15 17:39:28,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766966628] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:28,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:28,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:28,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [64907574] [2022-03-15 17:39:28,786 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:28,786 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:28,787 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 17:39:28,787 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:28,787 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:28,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:28,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:28,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:28,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:28,788 INFO L87 Difference]: Start difference. First operand 76697 states and 435484 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:30,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:30,479 INFO L93 Difference]: Finished difference Result 104448 states and 593463 transitions. [2022-03-15 17:39:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:30,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-03-15 17:39:30,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:31,640 INFO L225 Difference]: With dead ends: 104448 [2022-03-15 17:39:31,641 INFO L226 Difference]: Without dead ends: 104448 [2022-03-15 17:39:31,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:31,641 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 60 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:31,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 57 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 17:39:31,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104448 states. [2022-03-15 17:39:35,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104448 to 91581. [2022-03-15 17:39:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91581 states, 91475 states have (on average 5.692484285323859) internal successors, (520720), 91580 states have internal predecessors, (520720), 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 17:39:36,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91581 states to 91581 states and 520720 transitions. [2022-03-15 17:39:36,736 INFO L78 Accepts]: Start accepts. Automaton has 91581 states and 520720 transitions. Word has length 9 [2022-03-15 17:39:36,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:36,736 INFO L470 AbstractCegarLoop]: Abstraction has 91581 states and 520720 transitions. [2022-03-15 17:39:36,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 17:39:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 91581 states and 520720 transitions. [2022-03-15 17:39:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 17:39:36,737 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:36,737 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:36,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 17:39:36,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:36,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1123406425, now seen corresponding path program 1 times [2022-03-15 17:39:36,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:36,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081308157] [2022-03-15 17:39:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:36,778 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 17:39:36,778 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:36,778 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081308157] [2022-03-15 17:39:36,778 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081308157] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:36,779 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:36,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:36,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1479692894] [2022-03-15 17:39:36,779 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:36,779 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:36,780 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 17:39:36,780 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:36,780 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:36,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:36,780 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:36,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:36,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:36,781 INFO L87 Difference]: Start difference. First operand 91581 states and 520720 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:38,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:38,629 INFO L93 Difference]: Finished difference Result 109876 states and 622768 transitions. [2022-03-15 17:39:38,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:38,629 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:38,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:39,560 INFO L225 Difference]: With dead ends: 109876 [2022-03-15 17:39:39,561 INFO L226 Difference]: Without dead ends: 109876 [2022-03-15 17:39:39,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:39,561 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 68 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:39,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 67 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:40,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109876 states. [2022-03-15 17:39:43,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109876 to 95251. [2022-03-15 17:39:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95251 states, 95145 states have (on average 5.685900467707183) internal successors, (540985), 95250 states have internal predecessors, (540985), 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 17:39:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95251 states to 95251 states and 540985 transitions. [2022-03-15 17:39:44,816 INFO L78 Accepts]: Start accepts. Automaton has 95251 states and 540985 transitions. Word has length 11 [2022-03-15 17:39:44,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:44,816 INFO L470 AbstractCegarLoop]: Abstraction has 95251 states and 540985 transitions. [2022-03-15 17:39:44,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 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 17:39:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 95251 states and 540985 transitions. [2022-03-15 17:39:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 17:39:44,817 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:44,817 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:44,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 17:39:44,817 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:44,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:44,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1556822913, now seen corresponding path program 1 times [2022-03-15 17:39:44,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:44,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453150407] [2022-03-15 17:39:44,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:44,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-15 17:39:44,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:44,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453150407] [2022-03-15 17:39:44,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453150407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:44,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:44,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:44,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1677382599] [2022-03-15 17:39:44,856 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:44,857 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:44,858 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 17:39:44,858 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:44,858 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:44,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:44,858 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:44,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:44,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:44,858 INFO L87 Difference]: Start difference. First operand 95251 states and 540985 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:47,543 INFO L93 Difference]: Finished difference Result 136220 states and 773974 transitions. [2022-03-15 17:39:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:49,553 INFO L225 Difference]: With dead ends: 136220 [2022-03-15 17:39:49,554 INFO L226 Difference]: Without dead ends: 136220 [2022-03-15 17:39:49,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:49,554 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 60 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:49,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 57 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:49,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136220 states. [2022-03-15 17:39:54,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136220 to 119823. [2022-03-15 17:39:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119823 states, 119718 states have (on average 5.691349671728562) internal successors, (681357), 119822 states have internal predecessors, (681357), 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 17:39:56,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119823 states to 119823 states and 681357 transitions. [2022-03-15 17:39:56,187 INFO L78 Accepts]: Start accepts. Automaton has 119823 states and 681357 transitions. Word has length 13 [2022-03-15 17:39:56,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:56,187 INFO L470 AbstractCegarLoop]: Abstraction has 119823 states and 681357 transitions. [2022-03-15 17:39:56,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 17:39:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 119823 states and 681357 transitions. [2022-03-15 17:39:56,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-03-15 17:39:56,188 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:56,188 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:56,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 17:39:56,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:56,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:56,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1850733233, now seen corresponding path program 1 times [2022-03-15 17:39:56,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:56,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727020675] [2022-03-15 17:39:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:56,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:56,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727020675] [2022-03-15 17:39:56,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727020675] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 17:39:56,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390456868] [2022-03-15 17:39:56,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:56,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 17:39:56,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 17:39:56,266 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 17:39:56,268 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 17:39:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:56,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 21 conjunts are in the unsatisfiable core [2022-03-15 17:39:56,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 17:39:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 17:39:56,394 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 17:39:56,477 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 17:39:56,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390456868] provided 1 perfect and 1 imperfect interpolant sequences [2022-03-15 17:39:56,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-03-15 17:39:56,478 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 13 [2022-03-15 17:39:56,479 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [267254618] [2022-03-15 17:39:56,479 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:56,480 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:56,481 INFO L252 McrAutomatonBuilder]: Finished intersection with 29 states and 42 transitions. [2022-03-15 17:39:56,481 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:56,612 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [1381963#(or (not (= (mod ~r~0 4294967296) 1)) (= (mod (+ ~s~0 1) 4294967296) (mod (+ |thr1Thread2of5ForFork0_~l~0#1| 1) 4294967296))), 1381964#(or (= (mod (+ ~s~0 1) 4294967296) 1) (not (= (mod (+ ~r~0 1) 4294967296) 1)))] [2022-03-15 17:39:56,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 17:39:56,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:56,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 17:39:56,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-03-15 17:39:56,613 INFO L87 Difference]: Start difference. First operand 119823 states and 681357 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 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 17:39:57,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:57,289 INFO L93 Difference]: Finished difference Result 11469 states and 49493 transitions. [2022-03-15 17:39:57,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 17:39:57,291 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 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 17:39:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:57,330 INFO L225 Difference]: With dead ends: 11469 [2022-03-15 17:39:57,330 INFO L226 Difference]: Without dead ends: 11469 [2022-03-15 17:39:57,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2022-03-15 17:39:57,330 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 131 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:57,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 99 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 17:39:57,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11469 states. [2022-03-15 17:39:57,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11469 to 9413. [2022-03-15 17:39:57,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9413 states, 9407 states have (on average 4.2658658445838205) internal successors, (40129), 9412 states have internal predecessors, (40129), 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 17:39:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9413 states to 9413 states and 40129 transitions. [2022-03-15 17:39:57,724 INFO L78 Accepts]: Start accepts. Automaton has 9413 states and 40129 transitions. Word has length 14 [2022-03-15 17:39:57,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:57,724 INFO L470 AbstractCegarLoop]: Abstraction has 9413 states and 40129 transitions. [2022-03-15 17:39:57,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 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 17:39:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 9413 states and 40129 transitions. [2022-03-15 17:39:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-03-15 17:39:57,725 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:57,725 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:57,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-15 17:39:57,925 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,SelfDestructingSolverStorable24 [2022-03-15 17:39:57,926 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:57,926 INFO L85 PathProgramCache]: Analyzing trace with hash 563249098, now seen corresponding path program 1 times [2022-03-15 17:39:57,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:57,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441099415] [2022-03-15 17:39:57,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:57,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:57,988 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 17:39:57,988 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:57,988 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441099415] [2022-03-15 17:39:57,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441099415] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:57,988 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:57,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:57,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1622062110] [2022-03-15 17:39:57,989 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:57,989 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:57,990 INFO L252 McrAutomatonBuilder]: Finished intersection with 16 states and 15 transitions. [2022-03-15 17:39:57,991 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:57,991 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:57,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:57,991 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:57,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:57,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:57,992 INFO L87 Difference]: Start difference. First operand 9413 states and 40129 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:39:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:58,205 INFO L93 Difference]: Finished difference Result 16197 states and 68978 transitions. [2022-03-15 17:39:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:58,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:39:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:58,271 INFO L225 Difference]: With dead ends: 16197 [2022-03-15 17:39:58,272 INFO L226 Difference]: Without dead ends: 16197 [2022-03-15 17:39:58,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:58,272 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 54 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:58,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 41 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:58,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16197 states. [2022-03-15 17:39:58,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16197 to 10511. [2022-03-15 17:39:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10511 states, 10505 states have (on average 4.269490718705378) internal successors, (44851), 10510 states have internal predecessors, (44851), 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 17:39:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10511 states to 10511 states and 44851 transitions. [2022-03-15 17:39:58,730 INFO L78 Accepts]: Start accepts. Automaton has 10511 states and 44851 transitions. Word has length 15 [2022-03-15 17:39:58,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:58,730 INFO L470 AbstractCegarLoop]: Abstraction has 10511 states and 44851 transitions. [2022-03-15 17:39:58,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 17:39:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 10511 states and 44851 transitions. [2022-03-15 17:39:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 17:39:58,731 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:58,731 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:58,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 17:39:58,731 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:58,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:58,732 INFO L85 PathProgramCache]: Analyzing trace with hash 116493619, now seen corresponding path program 1 times [2022-03-15 17:39:58,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:58,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622000458] [2022-03-15 17:39:58,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:58,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-15 17:39:58,764 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:58,764 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622000458] [2022-03-15 17:39:58,764 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622000458] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:58,764 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:58,764 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:58,764 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2050557024] [2022-03-15 17:39:58,764 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:58,765 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:58,766 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2022-03-15 17:39:58,766 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:58,766 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:58,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:58,766 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:58,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:58,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:58,767 INFO L87 Difference]: Start difference. First operand 10511 states and 44851 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 17:39:58,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:58,912 INFO L93 Difference]: Finished difference Result 9413 states and 40129 transitions. [2022-03-15 17:39:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:58,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 17 [2022-03-15 17:39:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:58,942 INFO L225 Difference]: With dead ends: 9413 [2022-03-15 17:39:58,943 INFO L226 Difference]: Without dead ends: 9413 [2022-03-15 17:39:58,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:58,943 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:58,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 41 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:58,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9413 states. [2022-03-15 17:39:59,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9413 to 8315. [2022-03-15 17:39:59,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8315 states, 8311 states have (on average 4.260257490073396) internal successors, (35407), 8314 states have internal predecessors, (35407), 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 17:39:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8315 states to 8315 states and 35407 transitions. [2022-03-15 17:39:59,144 INFO L78 Accepts]: Start accepts. Automaton has 8315 states and 35407 transitions. Word has length 17 [2022-03-15 17:39:59,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:59,144 INFO L470 AbstractCegarLoop]: Abstraction has 8315 states and 35407 transitions. [2022-03-15 17:39:59,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 17:39:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 8315 states and 35407 transitions. [2022-03-15 17:39:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 17:39:59,146 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:59,146 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:59,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 17:39:59,146 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:59,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:59,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2088977088, now seen corresponding path program 1 times [2022-03-15 17:39:59,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:59,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233853579] [2022-03-15 17:39:59,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:59,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:59,176 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 17:39:59,177 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:59,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233853579] [2022-03-15 17:39:59,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233853579] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:59,177 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:59,177 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:59,177 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1112528484] [2022-03-15 17:39:59,177 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:59,178 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:59,179 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 19 transitions. [2022-03-15 17:39:59,179 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:59,179 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:59,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:39:59,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:59,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:39:59,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:59,180 INFO L87 Difference]: Start difference. First operand 8315 states and 35407 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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 17:39:59,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:59,346 INFO L93 Difference]: Finished difference Result 14283 states and 60958 transitions. [2022-03-15 17:39:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:39:59,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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 19 [2022-03-15 17:39:59,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:59,508 INFO L225 Difference]: With dead ends: 14283 [2022-03-15 17:39:59,508 INFO L226 Difference]: Without dead ends: 14283 [2022-03-15 17:39:59,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:39:59,510 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 50 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:59,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 38 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:59,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14283 states. [2022-03-15 17:39:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14283 to 9341. [2022-03-15 17:39:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9341 states, 9337 states have (on average 4.272143086644532) internal successors, (39889), 9340 states have internal predecessors, (39889), 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 17:39:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9341 states to 9341 states and 39889 transitions. [2022-03-15 17:39:59,753 INFO L78 Accepts]: Start accepts. Automaton has 9341 states and 39889 transitions. Word has length 19 [2022-03-15 17:39:59,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:39:59,753 INFO L470 AbstractCegarLoop]: Abstraction has 9341 states and 39889 transitions. [2022-03-15 17:39:59,753 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 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 17:39:59,753 INFO L276 IsEmpty]: Start isEmpty. Operand 9341 states and 39889 transitions. [2022-03-15 17:39:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-15 17:39:59,756 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:39:59,757 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:39:59,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 17:39:59,757 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:39:59,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:39:59,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1757242576, now seen corresponding path program 1 times [2022-03-15 17:39:59,758 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:39:59,758 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524508751] [2022-03-15 17:39:59,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:39:59,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:39:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:39:59,787 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-03-15 17:39:59,788 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:39:59,788 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524508751] [2022-03-15 17:39:59,788 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524508751] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:39:59,788 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:39:59,788 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:39:59,788 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1619340876] [2022-03-15 17:39:59,788 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:39:59,789 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:39:59,790 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2022-03-15 17:39:59,790 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:39:59,790 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:39:59,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 17:39:59,790 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:39:59,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 17:39:59,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 17:39:59,791 INFO L87 Difference]: Start difference. First operand 9341 states and 39889 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 17:39:59,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:39:59,919 INFO L93 Difference]: Finished difference Result 8315 states and 35407 transitions. [2022-03-15 17:39:59,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 17:39:59,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 21 [2022-03-15 17:39:59,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:39:59,946 INFO L225 Difference]: With dead ends: 8315 [2022-03-15 17:39:59,946 INFO L226 Difference]: Without dead ends: 8315 [2022-03-15 17:39:59,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 17:39:59,946 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 26 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:39:59,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 41 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:39:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8315 states. [2022-03-15 17:40:00,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8315 to 7289. [2022-03-15 17:40:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7289 states, 7287 states have (on average 4.243858926856045) internal successors, (30925), 7288 states have internal predecessors, (30925), 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 17:40:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7289 states to 7289 states and 30925 transitions. [2022-03-15 17:40:00,263 INFO L78 Accepts]: Start accepts. Automaton has 7289 states and 30925 transitions. Word has length 21 [2022-03-15 17:40:00,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:40:00,263 INFO L470 AbstractCegarLoop]: Abstraction has 7289 states and 30925 transitions. [2022-03-15 17:40:00,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 17:40:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 7289 states and 30925 transitions. [2022-03-15 17:40:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:40:00,268 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:40:00,268 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:40:00,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 17:40:00,268 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:40:00,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:40:00,268 INFO L85 PathProgramCache]: Analyzing trace with hash -819984848, now seen corresponding path program 1 times [2022-03-15 17:40:00,269 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:40:00,269 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973828368] [2022-03-15 17:40:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:40:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:40:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:40:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-03-15 17:40:00,301 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:40:00,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973828368] [2022-03-15 17:40:00,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973828368] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:40:00,301 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:40:00,301 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:40:00,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [388655823] [2022-03-15 17:40:00,301 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:40:00,302 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:40:00,304 INFO L252 McrAutomatonBuilder]: Finished intersection with 24 states and 23 transitions. [2022-03-15 17:40:00,304 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:40:00,304 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:40:00,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:40:00,304 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:40:00,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:40:00,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:40:00,305 INFO L87 Difference]: Start difference. First operand 7289 states and 30925 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 17:40:00,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:40:00,459 INFO L93 Difference]: Finished difference Result 12447 states and 53227 transitions. [2022-03-15 17:40:00,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:40:00,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 23 [2022-03-15 17:40:00,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:40:00,505 INFO L225 Difference]: With dead ends: 12447 [2022-03-15 17:40:00,505 INFO L226 Difference]: Without dead ends: 12447 [2022-03-15 17:40:00,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:40:00,505 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 46 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 17:40:00,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 38 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 17:40:00,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12447 states. [2022-03-15 17:40:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12447 to 8099. [2022-03-15 17:40:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8099 states, 8097 states have (on average 4.266147956033099) internal successors, (34543), 8098 states have internal predecessors, (34543), 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 17:40:00,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8099 states to 8099 states and 34543 transitions. [2022-03-15 17:40:00,734 INFO L78 Accepts]: Start accepts. Automaton has 8099 states and 34543 transitions. Word has length 23 [2022-03-15 17:40:00,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 17:40:00,734 INFO L470 AbstractCegarLoop]: Abstraction has 8099 states and 34543 transitions. [2022-03-15 17:40:00,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 17:40:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 8099 states and 34543 transitions. [2022-03-15 17:40:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-03-15 17:40:00,739 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:40:00,739 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:40:00,739 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 17:40:00,739 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-03-15 17:40:00,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:40:00,740 INFO L85 PathProgramCache]: Analyzing trace with hash -824299725, now seen corresponding path program 1 times [2022-03-15 17:40:00,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:40:00,741 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291633262] [2022-03-15 17:40:00,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:40:00,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:40:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:40:00,748 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 17:40:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 17:40:00,755 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 17:40:00,755 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 17:40:00,755 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 7 remaining) [2022-03-15 17:40:00,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-03-15 17:40:00,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-03-15 17:40:00,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2022-03-15 17:40:00,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2022-03-15 17:40:00,755 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-03-15 17:40:00,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-03-15 17:40:00,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 17:40:00,756 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:40:00,756 WARN L235 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2022-03-15 17:40:00,756 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,762 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,763 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,764 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,765 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,766 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,767 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,768 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,769 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,770 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,771 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,772 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,773 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,774 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,775 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,775 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,775 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_~l~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,775 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,775 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 17:40:00,775 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 17:40:00,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 17:40:00,776 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 17:40:00,776 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-03-15 17:40:00,776 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 17:40:00,776 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 119 transitions, 298 flow [2022-03-15 17:40:00,777 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 119 transitions, 298 flow [2022-03-15 17:40:00,777 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 119 transitions, 298 flow [2022-03-15 17:40:00,788 INFO L129 PetriNetUnfolder]: 19/195 cut-off events. [2022-03-15 17:40:00,788 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2022-03-15 17:40:00,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 195 events. 19/195 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 444 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 186. Up to 14 conditions per place. [2022-03-15 17:40:00,794 INFO L116 LiptonReduction]: Number of co-enabled transitions 8652 [2022-03-15 17:40:02,142 INFO L131 LiptonReduction]: Checked pairs total: 23138 [2022-03-15 17:40:02,142 INFO L133 LiptonReduction]: Total number of compositions: 82 [2022-03-15 17:40:02,143 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 56 transitions, 172 flow [2022-03-15 17:40:27,982 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 590678 states, 590494 states have (on average 7.26455984311441) internal successors, (4289679), 590677 states have internal predecessors, (4289679), 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 17:40:29,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 590678 states, 590494 states have (on average 7.26455984311441) internal successors, (4289679), 590677 states have internal predecessors, (4289679), 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 17:40:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-03-15 17:40:29,375 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 17:40:29,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-03-15 17:40:29,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2022-03-15 17:40:29,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 17:40:29,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1468369232, now seen corresponding path program 1 times [2022-03-15 17:40:29,377 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 17:40:29,377 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407480558] [2022-03-15 17:40:29,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 17:40:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 17:40:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 17:40:29,407 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 17:40:29,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 17:40:29,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407480558] [2022-03-15 17:40:29,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407480558] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 17:40:29,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 17:40:29,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 17:40:29,408 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1086653626] [2022-03-15 17:40:29,408 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 17:40:29,408 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 17:40:29,408 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2022-03-15 17:40:29,408 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 17:40:29,408 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 17:40:29,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 17:40:29,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 17:40:29,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 17:40:29,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:40:30,739 INFO L87 Difference]: Start difference. First operand has 590678 states, 590494 states have (on average 7.26455984311441) internal successors, (4289679), 590677 states have internal predecessors, (4289679), 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 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:40:32,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-03-15 17:40:46,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 17:40:46,626 INFO L93 Difference]: Finished difference Result 590673 states and 3942959 transitions. [2022-03-15 17:40:46,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 17:40:46,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 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 17:40:46,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 17:41:02,310 INFO L225 Difference]: With dead ends: 590673 [2022-03-15 17:41:02,324 INFO L226 Difference]: Without dead ends: 590673 [2022-03-15 17:41:02,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-03-15 17:41:02,325 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 90 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 17:41:02,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 60 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 17:41:04,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590673 states.