/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-15 11:07:07,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-15 11:07:07,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-15 11:07:07,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-15 11:07:07,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-15 11:07:07,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-15 11:07:07,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-15 11:07:07,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-15 11:07:07,608 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-15 11:07:07,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-15 11:07:07,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-15 11:07:07,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-15 11:07:07,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-15 11:07:07,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-15 11:07:07,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-15 11:07:07,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-15 11:07:07,610 INFO L138 SettingsManager]: * Use SBE=true [2022-02-15 11:07:07,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-15 11:07:07,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-15 11:07:07,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-15 11:07:07,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-15 11:07:07,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:07:07,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-15 11:07:07,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-15 11:07:07,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-15 11:07:07,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-15 11:07:07,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-15 11:07:07,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-15 11:07:07,838 INFO L275 PluginConnector]: CDTParser initialized [2022-02-15 11:07:07,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i [2022-02-15 11:07:07,918 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da29c1cc0/262f6376e6b84e4fb6f53c8dc87f8cf5/FLAG8bbd63031 [2022-02-15 11:07:08,344 INFO L306 CDTParser]: Found 1 translation units. [2022-02-15 11:07:08,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i [2022-02-15 11:07:08,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da29c1cc0/262f6376e6b84e4fb6f53c8dc87f8cf5/FLAG8bbd63031 [2022-02-15 11:07:08,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da29c1cc0/262f6376e6b84e4fb6f53c8dc87f8cf5 [2022-02-15 11:07:08,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-15 11:07:08,377 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-15 11:07:08,380 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-15 11:07:08,380 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-15 11:07:08,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-15 11:07:08,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cebfde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08, skipping insertion in model container [2022-02-15 11:07:08,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-15 11:07:08,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-15 11:07:08,629 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i[30176,30189] [2022-02-15 11:07:08,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:07:08,659 INFO L203 MainTranslator]: Completed pre-run [2022-02-15 11:07:08,693 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_37-indirect_racing.i[30176,30189] [2022-02-15 11:07:08,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-15 11:07:08,719 INFO L208 MainTranslator]: Completed translation [2022-02-15 11:07:08,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08 WrapperNode [2022-02-15 11:07:08,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-15 11:07:08,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-15 11:07:08,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-15 11:07:08,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-15 11:07:08,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,774 INFO L137 Inliner]: procedures = 170, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-02-15 11:07:08,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-15 11:07:08,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-15 11:07:08,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-15 11:07:08,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-15 11:07:08,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-15 11:07:08,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-15 11:07:08,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-15 11:07:08,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-15 11:07:08,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (1/1) ... [2022-02-15 11:07:08,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-15 11:07:08,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 11:07:08,841 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) [2022-02-15 11:07:08,848 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 [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-15 11:07:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-15 11:07:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-15 11:07:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-15 11:07:08,869 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-15 11:07:08,940 INFO L234 CfgBuilder]: Building ICFG [2022-02-15 11:07:08,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-15 11:07:09,060 INFO L275 CfgBuilder]: Performing block encoding [2022-02-15 11:07:09,065 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-15 11:07:09,065 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-02-15 11:07:09,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:09 BoogieIcfgContainer [2022-02-15 11:07:09,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-15 11:07:09,068 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-15 11:07:09,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-15 11:07:09,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-15 11:07:09,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 11:07:08" (1/3) ... [2022-02-15 11:07:09,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbde337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:07:09, skipping insertion in model container [2022-02-15 11:07:09,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 11:07:08" (2/3) ... [2022-02-15 11:07:09,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dbde337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 11:07:09, skipping insertion in model container [2022-02-15 11:07:09,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:07:09" (3/3) ... [2022-02-15 11:07:09,072 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_37-indirect_racing.i [2022-02-15 11:07:09,076 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-15 11:07:09,076 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-15 11:07:09,076 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-15 11:07:09,076 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-15 11:07:09,100 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,101 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,102 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,103 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,104 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,105 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,106 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,107 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,108 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,111 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,112 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,115 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-15 11:07:09,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 11:07:09,148 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 11:07:09,148 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-15 11:07:09,157 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 114 transitions, 236 flow [2022-02-15 11:07:09,235 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 757 states, 754 states have (on average 2.183023872679045) internal successors, (1646), 756 states have internal predecessors, (1646), 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) [2022-02-15 11:07:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 757 states, 754 states have (on average 2.183023872679045) internal successors, (1646), 756 states have internal predecessors, (1646), 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) [2022-02-15 11:07:09,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 11:07:09,244 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:09,245 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:09,245 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:09,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:09,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1656258703, now seen corresponding path program 1 times [2022-02-15 11:07:09,255 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:09,256 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228688784] [2022-02-15 11:07:09,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:09,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:07:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:09,484 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:07:09,484 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228688784] [2022-02-15 11:07:09,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228688784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:07:09,485 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:07:09,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 11:07:09,487 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14375203] [2022-02-15 11:07:09,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:07:09,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 11:07:09,492 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:07:09,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 11:07:09,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 11:07:09,522 INFO L87 Difference]: Start difference. First operand has 757 states, 754 states have (on average 2.183023872679045) internal successors, (1646), 756 states have internal predecessors, (1646), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-15 11:07:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:07:09,589 INFO L93 Difference]: Finished difference Result 715 states and 1338 transitions. [2022-02-15 11:07:09,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 11:07:09,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2022-02-15 11:07:09,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:07:09,612 INFO L225 Difference]: With dead ends: 715 [2022-02-15 11:07:09,612 INFO L226 Difference]: Without dead ends: 607 [2022-02-15 11:07:09,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 11:07:09,619 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 34 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:07:09,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 158 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:07:09,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2022-02-15 11:07:09,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2022-02-15 11:07:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 605 states have (on average 1.8611570247933884) internal successors, (1126), 606 states have internal predecessors, (1126), 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) [2022-02-15 11:07:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1126 transitions. [2022-02-15 11:07:09,686 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1126 transitions. Word has length 45 [2022-02-15 11:07:09,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:07:09,686 INFO L470 AbstractCegarLoop]: Abstraction has 607 states and 1126 transitions. [2022-02-15 11:07:09,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-15 11:07:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1126 transitions. [2022-02-15 11:07:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-15 11:07:09,694 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:09,695 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:09,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-15 11:07:09,696 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:09,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:09,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1881921463, now seen corresponding path program 1 times [2022-02-15 11:07:09,699 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:09,699 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531008547] [2022-02-15 11:07:09,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:09,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:07:09,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 11:07:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:07:09,761 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 11:07:09,762 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 11:07:09,762 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-15 11:07:09,764 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-15 11:07:09,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-15 11:07:09,766 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-15 11:07:09,767 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-15 11:07:09,767 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-15 11:07:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,781 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,781 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,785 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,787 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,789 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,791 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,793 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:09,795 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-15 11:07:09,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 11:07:09,797 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 11:07:09,797 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-15 11:07:09,798 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 134 places, 148 transitions, 314 flow [2022-02-15 11:07:10,321 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19684 states, 19680 states have (on average 3.4021341463414636) internal successors, (66954), 19683 states have internal predecessors, (66954), 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) [2022-02-15 11:07:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 19684 states, 19680 states have (on average 3.4021341463414636) internal successors, (66954), 19683 states have internal predecessors, (66954), 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) [2022-02-15 11:07:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 11:07:10,362 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:10,362 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:10,363 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:10,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:10,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1865005030, now seen corresponding path program 1 times [2022-02-15 11:07:10,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:10,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651363581] [2022-02-15 11:07:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:10,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:07:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:10,428 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:07:10,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651363581] [2022-02-15 11:07:10,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651363581] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:07:10,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:07:10,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 11:07:10,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698393060] [2022-02-15 11:07:10,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:07:10,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 11:07:10,429 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:07:10,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 11:07:10,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 11:07:10,465 INFO L87 Difference]: Start difference. First operand has 19684 states, 19680 states have (on average 3.4021341463414636) internal successors, (66954), 19683 states have internal predecessors, (66954), 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 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-02-15 11:07:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:07:10,795 INFO L93 Difference]: Finished difference Result 18927 states and 53922 transitions. [2022-02-15 11:07:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 11:07:10,796 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2022-02-15 11:07:10,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:07:10,895 INFO L225 Difference]: With dead ends: 18927 [2022-02-15 11:07:10,896 INFO L226 Difference]: Without dead ends: 15899 [2022-02-15 11:07:10,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 11:07:10,902 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:07:10,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:07:10,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15899 states. [2022-02-15 11:07:11,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15899 to 15899. [2022-02-15 11:07:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15899 states, 15895 states have (on average 2.8420257942749294) internal successors, (45174), 15898 states have internal predecessors, (45174), 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) [2022-02-15 11:07:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15899 states to 15899 states and 45174 transitions. [2022-02-15 11:07:11,589 INFO L78 Accepts]: Start accepts. Automaton has 15899 states and 45174 transitions. Word has length 45 [2022-02-15 11:07:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:07:11,590 INFO L470 AbstractCegarLoop]: Abstraction has 15899 states and 45174 transitions. [2022-02-15 11:07:11,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-02-15 11:07:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 15899 states and 45174 transitions. [2022-02-15 11:07:11,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 11:07:11,594 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:11,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:11,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-15 11:07:11,595 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:11,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:11,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1668491525, now seen corresponding path program 1 times [2022-02-15 11:07:11,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:11,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084803346] [2022-02-15 11:07:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:11,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:07:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:11,655 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:07:11,655 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084803346] [2022-02-15 11:07:11,655 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084803346] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:07:11,656 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:07:11,656 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 11:07:11,656 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240304825] [2022-02-15 11:07:11,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:07:11,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 11:07:11,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:07:11,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 11:07:11,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 11:07:11,657 INFO L87 Difference]: Start difference. First operand 15899 states and 45174 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-15 11:07:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:07:11,766 INFO L93 Difference]: Finished difference Result 15889 states and 45164 transitions. [2022-02-15 11:07:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-15 11:07:11,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 45 [2022-02-15 11:07:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:07:11,891 INFO L225 Difference]: With dead ends: 15889 [2022-02-15 11:07:11,891 INFO L226 Difference]: Without dead ends: 15889 [2022-02-15 11:07:11,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 11:07:11,892 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 34 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:07:11,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 204 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:07:11,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15889 states. [2022-02-15 11:07:12,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15889 to 15889. [2022-02-15 11:07:12,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15889 states, 15886 states have (on average 2.843006420747828) internal successors, (45164), 15888 states have internal predecessors, (45164), 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) [2022-02-15 11:07:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15889 states to 15889 states and 45164 transitions. [2022-02-15 11:07:12,362 INFO L78 Accepts]: Start accepts. Automaton has 15889 states and 45164 transitions. Word has length 45 [2022-02-15 11:07:12,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:07:12,362 INFO L470 AbstractCegarLoop]: Abstraction has 15889 states and 45164 transitions. [2022-02-15 11:07:12,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2022-02-15 11:07:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 15889 states and 45164 transitions. [2022-02-15 11:07:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-02-15 11:07:12,365 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:12,365 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:12,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-15 11:07:12,366 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:12,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:12,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1178735508, now seen corresponding path program 1 times [2022-02-15 11:07:12,369 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:12,369 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651613240] [2022-02-15 11:07:12,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:12,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:07:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:12,444 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:07:12,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651613240] [2022-02-15 11:07:12,444 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651613240] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-15 11:07:12,444 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100880113] [2022-02-15 11:07:12,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:12,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 11:07:12,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-15 11:07:12,446 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) [2022-02-15 11:07:12,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-15 11:07:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:07:12,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-15 11:07:12,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-15 11:07:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:12,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-15 11:07:12,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:12,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100880113] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-15 11:07:12,920 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-15 11:07:12,920 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-15 11:07:12,920 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514073681] [2022-02-15 11:07:12,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-15 11:07:12,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-15 11:07:12,921 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:07:12,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-15 11:07:12,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-15 11:07:12,922 INFO L87 Difference]: Start difference. First operand 15889 states and 45164 transitions. Second operand has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2022-02-15 11:07:13,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:07:13,006 INFO L93 Difference]: Finished difference Result 8329 states and 23304 transitions. [2022-02-15 11:07:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-15 11:07:13,007 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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 55 [2022-02-15 11:07:13,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:07:13,075 INFO L225 Difference]: With dead ends: 8329 [2022-02-15 11:07:13,075 INFO L226 Difference]: Without dead ends: 8329 [2022-02-15 11:07:13,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-15 11:07:13,076 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 465 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:07:13,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [465 Valid, 684 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:07:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8329 states. [2022-02-15 11:07:13,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8329 to 8329. [2022-02-15 11:07:13,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8329 states, 8328 states have (on average 2.798270893371758) internal successors, (23304), 8328 states have internal predecessors, (23304), 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) [2022-02-15 11:07:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8329 states to 8329 states and 23304 transitions. [2022-02-15 11:07:13,253 INFO L78 Accepts]: Start accepts. Automaton has 8329 states and 23304 transitions. Word has length 55 [2022-02-15 11:07:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:07:13,254 INFO L470 AbstractCegarLoop]: Abstraction has 8329 states and 23304 transitions. [2022-02-15 11:07:13,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2022-02-15 11:07:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 8329 states and 23304 transitions. [2022-02-15 11:07:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-02-15 11:07:13,256 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:13,256 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:13,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-15 11:07:13,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-15 11:07:13,479 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:13,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:13,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1979046043, now seen corresponding path program 1 times [2022-02-15 11:07:13,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:13,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473038108] [2022-02-15 11:07:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:13,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:07:13,493 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-15 11:07:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-15 11:07:13,507 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-15 11:07:13,507 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-15 11:07:13,508 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-15 11:07:13,508 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-15 11:07:13,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-15 11:07:13,508 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-15 11:07:13,508 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-15 11:07:13,509 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-15 11:07:13,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,518 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,519 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,522 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,523 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,525 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,526 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,527 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,528 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,529 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,530 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,531 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,532 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,533 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,534 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,535 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,536 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,536 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,537 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,538 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,539 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,540 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-15 11:07:13,541 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-15 11:07:13,542 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-15 11:07:13,542 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, 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=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-15 11:07:13,542 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-15 11:07:13,544 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 163 places, 182 transitions, 394 flow [2022-02-15 11:07:28,147 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 530713 states, 530708 states have (on average 4.589970379191571) internal successors, (2435934), 530712 states have internal predecessors, (2435934), 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) [2022-02-15 11:07:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 530713 states, 530708 states have (on average 4.589970379191571) internal successors, (2435934), 530712 states have internal predecessors, (2435934), 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) [2022-02-15 11:07:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 11:07:29,175 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:07:29,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:07:29,176 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:07:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:07:29,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1591663588, now seen corresponding path program 1 times [2022-02-15 11:07:29,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:07:29,176 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325589664] [2022-02-15 11:07:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:07:29,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:07:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:07:29,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:07:29,196 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:07:29,196 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325589664] [2022-02-15 11:07:29,196 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325589664] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:07:29,196 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:07:29,196 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-15 11:07:29,196 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564264656] [2022-02-15 11:07:29,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:07:29,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-15 11:07:29,197 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:07:29,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-15 11:07:29,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 11:07:30,180 INFO L87 Difference]: Start difference. First operand has 530713 states, 530708 states have (on average 4.589970379191571) internal successors, (2435934), 530712 states have internal predecessors, (2435934), 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 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-02-15 11:07:39,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-15 11:07:39,018 INFO L93 Difference]: Finished difference Result 510273 states and 1946460 transitions. [2022-02-15 11:07:39,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-15 11:07:39,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 45 [2022-02-15 11:07:39,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-15 11:07:44,053 INFO L225 Difference]: With dead ends: 510273 [2022-02-15 11:07:44,054 INFO L226 Difference]: Without dead ends: 428513 [2022-02-15 11:07:44,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-15 11:07:44,054 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-15 11:07:44,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-15 11:07:45,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428513 states. [2022-02-15 11:08:04,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428513 to 428513. [2022-02-15 11:08:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428513 states, 428508 states have (on average 3.8074715057828556) internal successors, (1631532), 428512 states have internal predecessors, (1631532), 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) [2022-02-15 11:08:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428513 states to 428513 states and 1631532 transitions. [2022-02-15 11:08:11,732 INFO L78 Accepts]: Start accepts. Automaton has 428513 states and 1631532 transitions. Word has length 45 [2022-02-15 11:08:11,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-15 11:08:11,732 INFO L470 AbstractCegarLoop]: Abstraction has 428513 states and 1631532 transitions. [2022-02-15 11:08:11,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2022-02-15 11:08:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 428513 states and 1631532 transitions. [2022-02-15 11:08:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-15 11:08:11,744 INFO L506 BasicCegarLoop]: Found error trace [2022-02-15 11:08:11,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-15 11:08:11,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-15 11:08:11,745 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-15 11:08:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-15 11:08:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1788177093, now seen corresponding path program 1 times [2022-02-15 11:08:11,751 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-15 11:08:11,751 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955987919] [2022-02-15 11:08:11,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-15 11:08:11,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-15 11:08:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-15 11:08:11,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-15 11:08:11,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-15 11:08:11,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955987919] [2022-02-15 11:08:11,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955987919] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-15 11:08:11,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-15 11:08:11,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-15 11:08:11,829 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279217334] [2022-02-15 11:08:11,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-15 11:08:11,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-15 11:08:11,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-15 11:08:11,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-15 11:08:11,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-15 11:08:11,829 INFO L87 Difference]: Start difference. First operand 428513 states and 1631532 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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)