/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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-30.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 17:49:44,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 17:49:44,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 17:49:45,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 17:49:45,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 17:49:45,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 17:49:45,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 17:49:45,080 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-MCRwithDepranks.epf [2022-02-09 17:49:45,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 17:49:45,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 17:49:45,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 17:49:45,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 17:49:45,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 17:49:45,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 17:49:45,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 17:49:45,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 17:49:45,095 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 17:49:45,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 17:49:45,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 17:49:45,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 17:49:45,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 17:49:45,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 17:49:45,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 17:49:45,098 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 17:49:45,098 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 17:49:45,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 17:49:45,098 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 17:49:45,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 17:49:45,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 17:49:45,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 17:49:45,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 17:49:45,302 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 17:49:45,302 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 17:49:45,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-30.i [2022-02-09 17:49:45,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53ccdd27/2e96524949844aebbb459edac9d425d8/FLAG9bbc6c8af [2022-02-09 17:49:45,775 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 17:49:45,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-30.i [2022-02-09 17:49:45,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53ccdd27/2e96524949844aebbb459edac9d425d8/FLAG9bbc6c8af [2022-02-09 17:49:45,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a53ccdd27/2e96524949844aebbb459edac9d425d8 [2022-02-09 17:49:45,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 17:49:45,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 17:49:45,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 17:49:45,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 17:49:45,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 17:49:45,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:49:45" (1/1) ... [2022-02-09 17:49:45,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5200d421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:45, skipping insertion in model container [2022-02-09 17:49:45,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 05:49:45" (1/1) ... [2022-02-09 17:49:45,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 17:49:45,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 17:49:46,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-30.i[30190,30203] [2022-02-09 17:49:46,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 17:49:46,095 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 17:49:46,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-30.i[30190,30203] [2022-02-09 17:49:46,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 17:49:46,142 INFO L208 MainTranslator]: Completed translation [2022-02-09 17:49:46,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46 WrapperNode [2022-02-09 17:49:46,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 17:49:46,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 17:49:46,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 17:49:46,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 17:49:46,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,180 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2022-02-09 17:49:46,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 17:49:46,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 17:49:46,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 17:49:46,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 17:49:46,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 17:49:46,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 17:49:46,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 17:49:46,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 17:49:46,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (1/1) ... [2022-02-09 17:49:46,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 17:49:46,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:49:46,228 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 17:49:46,229 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 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2022-02-09 17:49:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2022-02-09 17:49:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2022-02-09 17:49:46,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 17:49:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 17:49:46,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 17:49:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 17:49:46,252 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 17:49:46,325 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 17:49:46,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 17:49:46,472 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 17:49:46,477 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 17:49:46,477 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-09 17:49:46,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:49:46 BoogieIcfgContainer [2022-02-09 17:49:46,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 17:49:46,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 17:49:46,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 17:49:46,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 17:49:46,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 05:49:45" (1/3) ... [2022-02-09 17:49:46,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492eae1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:49:46, skipping insertion in model container [2022-02-09 17:49:46,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 05:49:46" (2/3) ... [2022-02-09 17:49:46,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492eae1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 05:49:46, skipping insertion in model container [2022-02-09 17:49:46,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 05:49:46" (3/3) ... [2022-02-09 17:49:46,484 INFO L111 eAbstractionObserver]: Analyzing ICFG reorder_c11_bad-30.i [2022-02-09 17:49:46,487 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 17:49:46,487 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 17:49:46,487 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 17:49:46,487 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 17:49:46,522 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,522 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,522 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,522 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,522 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,523 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,524 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,525 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,525 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,525 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,525 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,527 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,527 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,528 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,528 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of1ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,529 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,529 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,530 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,530 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of1ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:46,533 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 17:49:46,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 17:49:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:49:46,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 17:49:46,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 17:49:46,612 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 17:49:46,617 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=PARTIAL_ORDER_FA, 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 17:49:46,617 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 17:49:46,624 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 87 places, 91 transitions, 204 flow [2022-02-09 17:49:46,704 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1231 states, 1222 states have (on average 2.5335515548281506) internal successors, (3096), 1230 states have internal predecessors, (3096), 0 states have call successors, (0), 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 17:49:46,722 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74 transitions and produced 75 states. [2022-02-09 17:49:46,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 17:49:46,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:46,729 INFO L85 PathProgramCache]: Analyzing trace with hash 357980668, now seen corresponding path program 1 times [2022-02-09 17:49:46,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:46,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920392812] [2022-02-09 17:49:46,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:46,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:46,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:49:46,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920392812] [2022-02-09 17:49:46,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920392812] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:49:46,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:49:46,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:49:46,896 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803373310] [2022-02-09 17:49:46,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:49:46,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 17:49:46,898 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:49:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 17:49:46,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 17:49:46,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:46,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:49:46,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 17:49:46,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:46,947 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74 transitions and produced 75 states. [2022-02-09 17:49:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:46,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 17:49:46,948 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 17:49:46,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:46,950 INFO L85 PathProgramCache]: Analyzing trace with hash 736792128, now seen corresponding path program 1 times [2022-02-09 17:49:46,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:46,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554098802] [2022-02-09 17:49:46,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:46,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:47,044 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:49:47,045 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554098802] [2022-02-09 17:49:47,045 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554098802] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:49:47,045 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:49:47,045 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 17:49:47,045 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056372472] [2022-02-09 17:49:47,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:49:47,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:49:47,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:49:47,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:49:47,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:49:47,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,047 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:49:47,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 17:49:47,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,100 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 93 states. [2022-02-09 17:49:47,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:49:47,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 17:49:47,101 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 17:49:47,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:47,102 INFO L85 PathProgramCache]: Analyzing trace with hash 849117749, now seen corresponding path program 1 times [2022-02-09 17:49:47,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:47,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086626886] [2022-02-09 17:49:47,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:47,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:47,204 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:49:47,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086626886] [2022-02-09 17:49:47,204 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086626886] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 17:49:47,204 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892404313] [2022-02-09 17:49:47,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:47,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 17:49:47,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:49:47,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 17:49:47,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 17:49:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:47,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 17:49:47,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 17:49:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:47,500 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 17:49:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:47,621 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892404313] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 17:49:47,622 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 17:49:47,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 17:49:47,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883911243] [2022-02-09 17:49:47,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 17:49:47,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 17:49:47,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:49:47,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 17:49:47,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 17:49:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,623 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:49:47,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 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 17:49:47,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:49:47,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,681 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 51 transitions and produced 52 states. [2022-02-09 17:49:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:49:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 17:49:47,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 17:49:47,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-09 17:49:47,884 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-09 17:49:47,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash -121871665, now seen corresponding path program 1 times [2022-02-09 17:49:47,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:47,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186792963] [2022-02-09 17:49:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:47,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:49:47,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 17:49:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:49:47,935 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 17:49:47,935 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 17:49:47,936 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 4 remaining) [2022-02-09 17:49:47,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-09 17:49:47,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 17:49:47,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-09 17:49:47,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 17:49:47,942 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 17:49:47,943 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 17:49:47,943 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-09 17:49:47,960 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,960 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of2ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of2ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of2ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of2ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,961 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of2ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of2ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of2ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,962 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of2ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,963 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,963 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,963 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,963 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,963 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,964 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,964 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of2ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,964 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of2ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,964 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,964 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,964 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of2ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of2ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,965 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of2ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,966 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of2ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,966 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,966 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,966 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of2ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,966 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of2ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,967 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,967 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,967 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,967 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,967 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of2ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,967 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,968 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of2ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,968 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,972 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of2ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,976 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of2ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,976 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,976 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,977 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,977 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of2ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,977 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of2ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,979 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,979 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,979 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of2ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,979 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,979 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of2ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:47,986 INFO L148 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-02-09 17:49:47,988 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 17:49:47,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:49:47,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 17:49:47,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-02-09 17:49:47,998 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 17:49:47,999 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=PARTIAL_ORDER_FA, 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 17:49:47,999 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 17:49:48,001 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 105 places, 110 transitions, 268 flow [2022-02-09 17:49:50,653 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 85977 states, 85938 states have (on average 4.2343782727082315) internal successors, (363894), 85976 states have internal predecessors, (363894), 0 states have call successors, (0), 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 17:49:50,755 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74 transitions and produced 75 states. [2022-02-09 17:49:50,756 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 17:49:50,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:50,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1844013349, now seen corresponding path program 1 times [2022-02-09 17:49:50,756 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:50,756 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259613320] [2022-02-09 17:49:50,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:50,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:50,821 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:49:50,821 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259613320] [2022-02-09 17:49:50,821 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259613320] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:49:50,822 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:49:50,822 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 17:49:50,822 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609890174] [2022-02-09 17:49:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:49:50,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 17:49:50,822 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:49:50,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 17:49:50,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 17:49:50,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,823 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:49:50,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 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 17:49:50,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,839 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 74 transitions and produced 75 states. [2022-02-09 17:49:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 17:49:50,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 17:49:50,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:50,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1465201889, now seen corresponding path program 1 times [2022-02-09 17:49:50,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:50,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086781467] [2022-02-09 17:49:50,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:50,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:50,894 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:49:50,894 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086781467] [2022-02-09 17:49:50,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086781467] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 17:49:50,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 17:49:50,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 17:49:50,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417702473] [2022-02-09 17:49:50,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 17:49:50,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 17:49:50,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:49:50,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 17:49:50,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 17:49:50,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:49:50,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 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 17:49:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,931 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 92 transitions and produced 93 states. [2022-02-09 17:49:50,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:50,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:49:50,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 17:49:50,932 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 17:49:50,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:50,932 INFO L85 PathProgramCache]: Analyzing trace with hash 853555361, now seen corresponding path program 1 times [2022-02-09 17:49:50,932 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:50,932 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034361199] [2022-02-09 17:49:50,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:50,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:50,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 17:49:50,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034361199] [2022-02-09 17:49:50,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034361199] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 17:49:50,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186542452] [2022-02-09 17:49:50,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:50,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 17:49:50,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:49:50,993 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 17:49:50,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 17:49:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 17:49:51,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 17:49:51,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 17:49:51,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:51,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 17:49:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 17:49:51,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186542452] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 17:49:51,235 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 17:49:51,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 17:49:51,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432565968] [2022-02-09 17:49:51,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 17:49:51,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 17:49:51,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 17:49:51,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 17:49:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 17:49:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:51,237 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 17:49:51,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 0 states have call successors, (0), 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 17:49:51,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:51,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:49:51,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:51,294 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 83 transitions and produced 84 states. [2022-02-09 17:49:51,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 17:49:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 17:49:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 17:49:51,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 17:49:51,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 17:49:51,502 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 17:49:51,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 17:49:51,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1479036618, now seen corresponding path program 1 times [2022-02-09 17:49:51,503 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 17:49:51,503 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737669793] [2022-02-09 17:49:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 17:49:51,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 17:49:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:49:51,515 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 17:49:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 17:49:51,527 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 17:49:51,527 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 17:49:51,527 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATION (4 of 5 remaining) [2022-02-09 17:49:51,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-09 17:49:51,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 17:49:51,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-02-09 17:49:51,527 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-02-09 17:49:51,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-09 17:49:51,528 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-09 17:49:51,528 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 17:49:51,528 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-09 17:49:51,540 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,541 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe setThreadThread3of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe setThreadThread3of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe setThreadThread3of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe setThreadThread3of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,542 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,543 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,544 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread3of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread3of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#in~param.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#in~param.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread3of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread3of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe setThreadThread1of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,545 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe setThreadThread2of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe setThreadThread3of3ForFork0_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe setThreadThread3of3ForFork0_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,546 WARN L322 ript$VariableManager]: TermVariabe |setThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread1of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread2of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread3of3ForFork1_~param.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe |checkThreadThread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,547 WARN L322 ript$VariableManager]: TermVariabe checkThreadThread3of3ForFork1_~param.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 17:49:51,551 INFO L148 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2022-02-09 17:49:51,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 17:49:51,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 17:49:51,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 17:49:51,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-02-09 17:49:51,558 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 17:49:51,558 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=PARTIAL_ORDER_FA, 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 17:49:51,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-09 17:49:51,560 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 123 places, 129 transitions, 336 flow