/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_05-lockfuns_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 00:13:53,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 00:13:53,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 00:13:53,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 00:13:53,907 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 [2022-02-09 00:13:53,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 00:13:53,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 00:13:53,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 00:13:53,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 00:13:53,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 00:13:53,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 00:13:53,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 00:13:53,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 00:13:53,940 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 00:13:53,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 00:13:53,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 00:13:53,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 00:13:53,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 00:13:53,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 00:13:53,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 00:13:53,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 00:13:53,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 00:13:53,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 00:13:53,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:13:53,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 00:13:53,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 00:13:53,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 00:13:53,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 00:13:53,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 00:13:53,943 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 00:13:53,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 00:13:53,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 00:13:54,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 00:13:54,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 00:13:54,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 00:13:54,206 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 00:13:54,207 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 00:13:54,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2022-02-09 00:13:54,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ea68a5b/5d7c8db54c4e445a9aa5e3364c507310/FLAG7c7b5d021 [2022-02-09 00:13:54,658 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 00:13:54,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_05-lockfuns_racefree.i [2022-02-09 00:13:54,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ea68a5b/5d7c8db54c4e445a9aa5e3364c507310/FLAG7c7b5d021 [2022-02-09 00:13:55,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ea68a5b/5d7c8db54c4e445a9aa5e3364c507310 [2022-02-09 00:13:55,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 00:13:55,035 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 00:13:55,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 00:13:55,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 00:13:55,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 00:13:55,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b84541c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55, skipping insertion in model container [2022-02-09 00:13:55,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 00:13:55,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 00:13:55,372 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_05-lockfuns_racefree.i[30176,30189] [2022-02-09 00:13:55,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:13:55,400 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 00:13:55,441 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_05-lockfuns_racefree.i[30176,30189] [2022-02-09 00:13:55,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 00:13:55,497 INFO L208 MainTranslator]: Completed translation [2022-02-09 00:13:55,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55 WrapperNode [2022-02-09 00:13:55,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 00:13:55,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 00:13:55,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 00:13:55,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 00:13:55,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,557 INFO L137 Inliner]: procedures = 172, calls = 33, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 106 [2022-02-09 00:13:55,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 00:13:55,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 00:13:55,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 00:13:55,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 00:13:55,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 00:13:55,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 00:13:55,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 00:13:55,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 00:13:55,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (1/1) ... [2022-02-09 00:13:55,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 00:13:55,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:13:55,636 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) [2022-02-09 00:13:55,649 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 [2022-02-09 00:13:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 00:13:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 00:13:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 00:13:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 00:13:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 00:13:55,680 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 00:13:55,768 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 00:13:55,770 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 00:13:55,993 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 00:13:56,000 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 00:13:56,000 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2022-02-09 00:13:56,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:13:56 BoogieIcfgContainer [2022-02-09 00:13:56,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 00:13:56,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 00:13:56,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 00:13:56,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 00:13:56,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 12:13:55" (1/3) ... [2022-02-09 00:13:56,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f17ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:13:56, skipping insertion in model container [2022-02-09 00:13:56,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 12:13:55" (2/3) ... [2022-02-09 00:13:56,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f17ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 12:13:56, skipping insertion in model container [2022-02-09 00:13:56,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 12:13:56" (3/3) ... [2022-02-09 00:13:56,009 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_05-lockfuns_racefree.i [2022-02-09 00:13:56,013 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 00:13:56,013 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 00:13:56,013 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 00:13:56,013 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 00:13:56,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,064 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,065 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,072 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,073 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,076 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 00:13:56,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:13:56,138 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 [2022-02-09 00:13:56,138 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 00:13:56,154 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 106 places, 115 transitions, 238 flow [2022-02-09 00:13:56,232 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 864 states, 861 states have (on average 2.1835075493612077) internal successors, (1880), 863 states have internal predecessors, (1880), 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) [2022-02-09 00:13:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 864 states, 861 states have (on average 2.1835075493612077) internal successors, (1880), 863 states have internal predecessors, (1880), 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) [2022-02-09 00:13:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-09 00:13:56,246 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:13:56,246 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] [2022-02-09 00:13:56,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:13:56,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:13:56,255 INFO L85 PathProgramCache]: Analyzing trace with hash 943706821, now seen corresponding path program 1 times [2022-02-09 00:13:56,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:13:56,262 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942927443] [2022-02-09 00:13:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:13:56,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:13:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:13:56,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:13:56,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:13:56,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942927443] [2022-02-09 00:13:56,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942927443] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:13:56,459 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:13:56,459 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 00:13:56,460 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301882694] [2022-02-09 00:13:56,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:13:56,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 00:13:56,465 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:13:56,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 00:13:56,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 00:13:56,497 INFO L87 Difference]: Start difference. First operand has 864 states, 861 states have (on average 2.1835075493612077) internal successors, (1880), 863 states have internal predecessors, (1880), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2022-02-09 00:13:56,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:13:56,535 INFO L93 Difference]: Finished difference Result 835 states and 1563 transitions. [2022-02-09 00:13:56,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 00:13:56,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 43 [2022-02-09 00:13:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:13:56,552 INFO L225 Difference]: With dead ends: 835 [2022-02-09 00:13:56,552 INFO L226 Difference]: Without dead ends: 748 [2022-02-09 00:13:56,554 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 [2022-02-09 00:13:56,556 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:13:56,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:13:56,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2022-02-09 00:13:56,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2022-02-09 00:13:56,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 745 states have (on average 1.8724832214765101) internal successors, (1395), 747 states have internal predecessors, (1395), 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) [2022-02-09 00:13:56,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1395 transitions. [2022-02-09 00:13:56,634 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1395 transitions. Word has length 43 [2022-02-09 00:13:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:13:56,634 INFO L470 AbstractCegarLoop]: Abstraction has 748 states and 1395 transitions. [2022-02-09 00:13:56,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2022-02-09 00:13:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1395 transitions. [2022-02-09 00:13:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-09 00:13:56,636 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:13:56,637 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] [2022-02-09 00:13:56,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 00:13:56,637 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:13:56,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:13:56,638 INFO L85 PathProgramCache]: Analyzing trace with hash 438148196, now seen corresponding path program 1 times [2022-02-09 00:13:56,638 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:13:56,638 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760046106] [2022-02-09 00:13:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:13:56,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:13:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:13:56,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:13:56,741 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:13:56,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760046106] [2022-02-09 00:13:56,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760046106] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:13:56,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:13:56,742 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:13:56,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145078227] [2022-02-09 00:13:56,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:13:56,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:13:56,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:13:56,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:13:56,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:13:56,744 INFO L87 Difference]: Start difference. First operand 748 states and 1395 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-02-09 00:13:56,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:13:56,766 INFO L93 Difference]: Finished difference Result 734 states and 1381 transitions. [2022-02-09 00:13:56,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:13:56,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2022-02-09 00:13:56,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:13:56,770 INFO L225 Difference]: With dead ends: 734 [2022-02-09 00:13:56,771 INFO L226 Difference]: Without dead ends: 734 [2022-02-09 00:13:56,771 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 [2022-02-09 00:13:56,772 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 35 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 148 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 [2022-02-09 00:13:56,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 148 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:13:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-02-09 00:13:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2022-02-09 00:13:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 732 states have (on average 1.8866120218579234) internal successors, (1381), 733 states have internal predecessors, (1381), 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) [2022-02-09 00:13:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1381 transitions. [2022-02-09 00:13:56,797 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1381 transitions. Word has length 43 [2022-02-09 00:13:56,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:13:56,798 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 1381 transitions. [2022-02-09 00:13:56,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-02-09 00:13:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1381 transitions. [2022-02-09 00:13:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-09 00:13:56,799 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:13:56,800 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] [2022-02-09 00:13:56,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 00:13:56,800 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:13:56,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:13:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1685952027, now seen corresponding path program 1 times [2022-02-09 00:13:56,801 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:13:56,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503770833] [2022-02-09 00:13:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:13:56,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:13:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:13:56,859 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 00:13:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:13:56,903 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 00:13:56,904 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 00:13:56,905 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-09 00:13:56,906 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-09 00:13:56,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 00:13:56,909 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-09 00:13:56,910 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 00:13:56,910 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-09 00:13:56,921 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,922 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,923 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,924 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,925 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,926 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:13:56,940 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 00:13:56,942 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:13:56,943 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 [2022-02-09 00:13:56,943 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 00:13:56,945 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 136 places, 150 transitions, 318 flow [2022-02-09 00:13:57,716 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 23572 states, 23568 states have (on average 3.3835285132382893) internal successors, (79743), 23571 states have internal predecessors, (79743), 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) [2022-02-09 00:13:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 23572 states, 23568 states have (on average 3.3835285132382893) internal successors, (79743), 23571 states have internal predecessors, (79743), 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) [2022-02-09 00:13:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-09 00:13:57,798 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:13:57,798 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] [2022-02-09 00:13:57,799 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:13:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:13:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash 115204507, now seen corresponding path program 1 times [2022-02-09 00:13:57,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:13:57,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868853527] [2022-02-09 00:13:57,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:13:57,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:13:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:13:57,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:13:57,914 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:13:57,914 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868853527] [2022-02-09 00:13:57,915 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868853527] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:13:57,915 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:13:57,915 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 00:13:57,915 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014283288] [2022-02-09 00:13:57,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:13:57,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 00:13:57,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:13:57,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 00:13:57,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 00:13:57,973 INFO L87 Difference]: Start difference. First operand has 23572 states, 23568 states have (on average 3.3835285132382893) internal successors, (79743), 23571 states have internal predecessors, (79743), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2022-02-09 00:13:58,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:13:58,333 INFO L93 Difference]: Finished difference Result 22759 states and 65040 transitions. [2022-02-09 00:13:58,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 00:13:58,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 43 [2022-02-09 00:13:58,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:13:58,530 INFO L225 Difference]: With dead ends: 22759 [2022-02-09 00:13:58,530 INFO L226 Difference]: Without dead ends: 20320 [2022-02-09 00:13:58,531 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 [2022-02-09 00:13:58,542 INFO L933 BasicCegarLoop]: 110 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, 110 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 [2022-02-09 00:13:58,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:13:58,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20320 states. [2022-02-09 00:13:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20320 to 20320. [2022-02-09 00:13:59,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20320 states, 20316 states have (on average 2.854105138806852) internal successors, (57984), 20319 states have internal predecessors, (57984), 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) [2022-02-09 00:13:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20320 states to 20320 states and 57984 transitions. [2022-02-09 00:13:59,298 INFO L78 Accepts]: Start accepts. Automaton has 20320 states and 57984 transitions. Word has length 43 [2022-02-09 00:13:59,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:13:59,299 INFO L470 AbstractCegarLoop]: Abstraction has 20320 states and 57984 transitions. [2022-02-09 00:13:59,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2022-02-09 00:13:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 20320 states and 57984 transitions. [2022-02-09 00:13:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-09 00:13:59,302 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:13:59,302 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] [2022-02-09 00:13:59,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 00:13:59,303 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:13:59,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:13:59,304 INFO L85 PathProgramCache]: Analyzing trace with hash -390354118, now seen corresponding path program 1 times [2022-02-09 00:13:59,304 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:13:59,304 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140330634] [2022-02-09 00:13:59,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:13:59,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:13:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:13:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:13:59,370 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:13:59,370 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140330634] [2022-02-09 00:13:59,370 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140330634] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:13:59,370 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:13:59,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 00:13:59,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277639830] [2022-02-09 00:13:59,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:13:59,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 00:13:59,372 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:13:59,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 00:13:59,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 00:13:59,374 INFO L87 Difference]: Start difference. First operand 20320 states and 57984 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-02-09 00:13:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:13:59,698 INFO L93 Difference]: Finished difference Result 20306 states and 57970 transitions. [2022-02-09 00:13:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 00:13:59,699 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 43 [2022-02-09 00:13:59,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:13:59,769 INFO L225 Difference]: With dead ends: 20306 [2022-02-09 00:13:59,769 INFO L226 Difference]: Without dead ends: 20306 [2022-02-09 00:13:59,770 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 [2022-02-09 00:13:59,775 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 35 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 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 [2022-02-09 00:13:59,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 204 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:13:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20306 states. [2022-02-09 00:14:00,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20306 to 20306. [2022-02-09 00:14:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20306 states, 20303 states have (on average 2.8552430675269664) internal successors, (57970), 20305 states have internal predecessors, (57970), 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) [2022-02-09 00:14:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20306 states to 20306 states and 57970 transitions. [2022-02-09 00:14:00,373 INFO L78 Accepts]: Start accepts. Automaton has 20306 states and 57970 transitions. Word has length 43 [2022-02-09 00:14:00,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:14:00,375 INFO L470 AbstractCegarLoop]: Abstraction has 20306 states and 57970 transitions. [2022-02-09 00:14:00,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2022-02-09 00:14:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 20306 states and 57970 transitions. [2022-02-09 00:14:00,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-02-09 00:14:00,385 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:14:00,385 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] [2022-02-09 00:14:00,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 00:14:00,386 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:14:00,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:14:00,386 INFO L85 PathProgramCache]: Analyzing trace with hash -993521947, now seen corresponding path program 1 times [2022-02-09 00:14:00,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:14:00,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179540860] [2022-02-09 00:14:00,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:14:00,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:14:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:14:00,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:14:00,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:14:00,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179540860] [2022-02-09 00:14:00,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179540860] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 00:14:00,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864314580] [2022-02-09 00:14:00,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:14:00,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 00:14:00,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 00:14:00,448 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) [2022-02-09 00:14:00,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-09 00:14:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:14:00,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 00:14:00,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 00:14:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:14:00,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 00:14:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:14:00,835 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864314580] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 00:14:00,835 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 00:14:00,835 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 00:14:00,836 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731629218] [2022-02-09 00:14:00,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 00:14:00,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 00:14:00,837 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:14:00,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 00:14:00,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 00:14:00,838 INFO L87 Difference]: Start difference. First operand 20306 states and 57970 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2022-02-09 00:14:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:14:00,938 INFO L93 Difference]: Finished difference Result 8938 states and 25056 transitions. [2022-02-09 00:14:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 00:14:00,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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 53 [2022-02-09 00:14:00,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:14:00,962 INFO L225 Difference]: With dead ends: 8938 [2022-02-09 00:14:00,962 INFO L226 Difference]: Without dead ends: 8938 [2022-02-09 00:14:00,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2022-02-09 00:14:00,963 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 565 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-09 00:14:00,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [565 Valid, 597 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-09 00:14:01,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8938 states. [2022-02-09 00:14:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8938 to 8938. [2022-02-09 00:14:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8938 states, 8937 states have (on average 2.8036253776435047) internal successors, (25056), 8937 states have internal predecessors, (25056), 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) [2022-02-09 00:14:01,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8938 states to 8938 states and 25056 transitions. [2022-02-09 00:14:01,280 INFO L78 Accepts]: Start accepts. Automaton has 8938 states and 25056 transitions. Word has length 53 [2022-02-09 00:14:01,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-09 00:14:01,281 INFO L470 AbstractCegarLoop]: Abstraction has 8938 states and 25056 transitions. [2022-02-09 00:14:01,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2022-02-09 00:14:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 8938 states and 25056 transitions. [2022-02-09 00:14:01,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-09 00:14:01,283 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:14:01,283 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] [2022-02-09 00:14:01,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-09 00:14:01,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-09 00:14:01,507 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:14:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:14:01,508 INFO L85 PathProgramCache]: Analyzing trace with hash 210109917, now seen corresponding path program 1 times [2022-02-09 00:14:01,508 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:14:01,508 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241387929] [2022-02-09 00:14:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:14:01,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:14:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:14:01,595 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 00:14:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 00:14:01,617 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 00:14:01,617 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 00:14:01,617 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2022-02-09 00:14:01,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-02-09 00:14:01,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 00:14:01,618 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 00:14:01,618 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 00:14:01,618 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,643 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,657 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,658 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_lock_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 00:14:01,669 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 00:14:01,670 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 00:14:01,670 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 [2022-02-09 00:14:01,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-02-09 00:14:01,675 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 166 places, 185 transitions, 400 flow [2022-02-09 00:14:24,245 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 659396 states, 659391 states have (on average 4.563712577211397) internal successors, (3009271), 659395 states have internal predecessors, (3009271), 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) [2022-02-09 00:14:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand has 659396 states, 659391 states have (on average 4.563712577211397) internal successors, (3009271), 659395 states have internal predecessors, (3009271), 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) [2022-02-09 00:14:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-09 00:14:25,879 INFO L506 BasicCegarLoop]: Found error trace [2022-02-09 00:14:25,879 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] [2022-02-09 00:14:25,879 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-09 00:14:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 00:14:25,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1670365364, now seen corresponding path program 1 times [2022-02-09 00:14:25,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 00:14:25,880 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032428544] [2022-02-09 00:14:25,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 00:14:25,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 00:14:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 00:14:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 00:14:25,909 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 00:14:25,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032428544] [2022-02-09 00:14:25,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032428544] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 00:14:25,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 00:14:25,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 00:14:25,910 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912812161] [2022-02-09 00:14:25,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 00:14:25,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 00:14:25,910 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 00:14:25,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 00:14:25,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 00:14:27,262 INFO L87 Difference]: Start difference. First operand has 659396 states, 659391 states have (on average 4.563712577211397) internal successors, (3009271), 659395 states have internal predecessors, (3009271), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2022-02-09 00:14:41,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-09 00:14:41,669 INFO L93 Difference]: Finished difference Result 636631 states and 2434344 transitions. [2022-02-09 00:14:41,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 00:14:41,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 43 [2022-02-09 00:14:41,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-09 00:14:49,410 INFO L225 Difference]: With dead ends: 636631 [2022-02-09 00:14:49,411 INFO L226 Difference]: Without dead ends: 568336 [2022-02-09 00:14:49,411 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 [2022-02-09 00:14:49,415 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 [2022-02-09 00:14:49,415 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] [2022-02-09 00:14:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568336 states. [2022-02-09 00:15:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568336 to 568336. [2022-02-09 00:15:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568336 states, 568331 states have (on average 3.819816269040401) internal successors, (2170920), 568335 states have internal predecessors, (2170920), 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)