/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:56:12,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:56:12,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:56:12,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:56:12,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:56:12,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:56:12,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:56:12,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:56:12,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:56:12,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:56:12,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:56:12,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:56:12,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:56:12,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:56:12,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:56:12,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:56:12,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:56:12,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:56:12,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:56:12,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:56:12,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:56:12,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:56:12,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:56:12,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:56:12,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:56:12,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:56:12,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:56:12,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:56:12,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:56:12,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:56:12,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:56:12,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:56:12,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:56:12,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:56:12,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:56:12,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:56:12,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:56:12,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:56:12,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:56:12,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:56:12,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:56:12,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:56:12,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:56:12,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:56:12,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:56:12,163 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:56:12,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:56:12,163 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:56:12,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:56:12,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:56:12,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:56:12,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:56:12,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:56:12,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:56:12,166 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:56:12,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:56:12,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:56:12,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:56:12,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:56:12,351 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:56:12,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-09-16 10:56:12,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ea0e6c4/a65f0707e5874430b07cf25d3f68c99d/FLAG18bdfb7a8 [2022-09-16 10:56:12,860 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:56:12,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c [2022-09-16 10:56:12,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ea0e6c4/a65f0707e5874430b07cf25d3f68c99d/FLAG18bdfb7a8 [2022-09-16 10:56:12,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99ea0e6c4/a65f0707e5874430b07cf25d3f68c99d [2022-09-16 10:56:12,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:56:12,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:56:12,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:56:12,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:56:12,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:56:12,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:56:12" (1/1) ... [2022-09-16 10:56:12,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4ecc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:12, skipping insertion in model container [2022-09-16 10:56:12,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:56:12" (1/1) ... [2022-09-16 10:56:12,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:56:12,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:56:13,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c[3963,3976] [2022-09-16 10:56:13,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:56:13,187 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:56:13,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-5.wvr.c[3963,3976] [2022-09-16 10:56:13,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:56:13,236 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:56:13,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13 WrapperNode [2022-09-16 10:56:13,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:56:13,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:56:13,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:56:13,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:56:13,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,281 INFO L138 Inliner]: procedures = 24, calls = 85, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 258 [2022-09-16 10:56:13,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:56:13,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:56:13,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:56:13,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:56:13,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:56:13,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:56:13,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:56:13,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:56:13,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (1/1) ... [2022-09-16 10:56:13,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:56:13,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:56:13,341 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) [2022-09-16 10:56:13,358 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 [2022-09-16 10:56:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:56:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 10:56:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 10:56:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 10:56:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 10:56:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-16 10:56:13,372 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-16 10:56:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-09-16 10:56:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-09-16 10:56:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:56:13,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:56:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:56:13,374 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:56:13,438 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:56:13,440 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:56:13,722 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:56:13,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:56:13,852 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:56:13,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:56:13 BoogieIcfgContainer [2022-09-16 10:56:13,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:56:13,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:56:13,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:56:13,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:56:13,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:56:12" (1/3) ... [2022-09-16 10:56:13,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e13f724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:56:13, skipping insertion in model container [2022-09-16 10:56:13,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:13" (2/3) ... [2022-09-16 10:56:13,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e13f724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:56:13, skipping insertion in model container [2022-09-16 10:56:13,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:56:13" (3/3) ... [2022-09-16 10:56:13,864 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-5.wvr.c [2022-09-16 10:56:13,870 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:56:13,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:56:13,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-09-16 10:56:13,877 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:56:13,946 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-09-16 10:56:13,972 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 198 places, 184 transitions, 408 flow [2022-09-16 10:56:44,815 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 855219 states, 852095 states have (on average 5.186277351703742) internal successors, (4419201), 855218 states have internal predecessors, (4419201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:56:44,854 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:56:44,882 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1820ebe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:56:44,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2022-09-16 10:56:46,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 855219 states, 852095 states have (on average 5.186277351703742) internal successors, (4419201), 855218 states have internal predecessors, (4419201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:56:46,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-09-16 10:56:46,917 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:56:46,918 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:56:46,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 42 more)] === [2022-09-16 10:56:46,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:56:46,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1980718084, now seen corresponding path program 1 times [2022-09-16 10:56:46,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:56:46,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112909572] [2022-09-16 10:56:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:56:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:56:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:56:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:56:47,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:56:47,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112909572] [2022-09-16 10:56:47,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112909572] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:56:47,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:56:47,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:56:47,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278743981] [2022-09-16 10:56:47,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:56:47,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:56:47,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:56:47,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:56:47,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:56:51,641 INFO L87 Difference]: Start difference. First operand has 855219 states, 852095 states have (on average 5.186277351703742) internal successors, (4419201), 855218 states have internal predecessors, (4419201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:57:17,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:57:17,578 INFO L93 Difference]: Finished difference Result 1162283 states and 5670835 transitions. [2022-09-16 10:57:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:57:17,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-09-16 10:57:17,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted.