/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/pthread-wmm/mix037_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:29:13,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:29:13,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:29:13,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:29:13,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:29:13,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:29:13,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:29:13,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:29:13,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:29:13,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:29:13,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:29:13,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:29:13,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:29:13,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:29:13,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:29:13,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:29:13,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:29:13,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:29:13,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:29:13,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:29:13,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:29:13,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:29:13,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:29:13,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:29:13,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:29:13,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:29:13,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:29:13,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:29:13,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:29:13,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:29:13,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:29:13,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:29:13,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:29:13,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:29:13,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:29:13,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:29:13,123 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 10:29:13,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:29:13,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:29:13,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:29:13,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:29:13,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:29:13,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:29:13,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:29:13,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:29:13,154 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:29:13,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:29:13,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:29:13,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:29:13,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:29:13,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:13,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:29:13,157 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:29:13,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:29:13,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:29:13,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:29:13,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:29:13,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:29:13,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:29:13,356 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:29:13,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i [2022-09-16 10:29:13,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9c14564/f24e214aff7e429a854c2302119cdb97/FLAGc9412f542 [2022-09-16 10:29:13,800 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:29:13,800 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i [2022-09-16 10:29:13,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9c14564/f24e214aff7e429a854c2302119cdb97/FLAGc9412f542 [2022-09-16 10:29:13,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d9c14564/f24e214aff7e429a854c2302119cdb97 [2022-09-16 10:29:13,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:29:13,822 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:29:13,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:13,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:29:13,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:29:13,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:13" (1/1) ... [2022-09-16 10:29:13,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0455b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:13, skipping insertion in model container [2022-09-16 10:29:13,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:29:13" (1/1) ... [2022-09-16 10:29:13,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:29:13,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:29:14,123 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-wmm/mix037_tso.oepc.i[949,962] [2022-09-16 10:29:14,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:14,319 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:29:14,327 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-wmm/mix037_tso.oepc.i[949,962] [2022-09-16 10:29:14,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:29:14,422 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:29:14,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14 WrapperNode [2022-09-16 10:29:14,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:29:14,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:14,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:29:14,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:29:14,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,467 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 295 [2022-09-16 10:29:14,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:29:14,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:29:14,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:29:14,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:29:14,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:29:14,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:29:14,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:29:14,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:29:14,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (1/1) ... [2022-09-16 10:29:14,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:29:14,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:29:14,547 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 10:29:14,549 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 10:29:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:29:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:29:14,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:29:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:29:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:29:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:29:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:29:14,599 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:29:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:29:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:29:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:29:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:29:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:29:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:29:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:29:14,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:29:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:29:14,602 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 10:29:14,732 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:29:14,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:29:15,109 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:29:15,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:29:15,395 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:29:15,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:15 BoogieIcfgContainer [2022-09-16 10:29:15,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:29:15,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:29:15,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:29:15,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:29:15,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:29:13" (1/3) ... [2022-09-16 10:29:15,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320076dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:15, skipping insertion in model container [2022-09-16 10:29:15,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:29:14" (2/3) ... [2022-09-16 10:29:15,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320076dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:29:15, skipping insertion in model container [2022-09-16 10:29:15,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:29:15" (3/3) ... [2022-09-16 10:29:15,403 INFO L112 eAbstractionObserver]: Analyzing ICFG mix037_tso.oepc.i [2022-09-16 10:29:15,410 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:29:15,417 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:29:15,417 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:29:15,417 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:29:15,475 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:29:15,503 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 157 places, 146 transitions, 312 flow [2022-09-16 10:29:26,708 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 401146 states, 401066 states have (on average 4.624665267063277) internal successors, (1854796), 401145 states have internal predecessors, (1854796), 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 10:29:26,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:29:26,757 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;@32297155, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:29:26,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:29:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 401146 states, 401066 states have (on average 4.624665267063277) internal successors, (1854796), 401145 states have internal predecessors, (1854796), 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 10:29:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:29:27,584 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:29:27,584 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] [2022-09-16 10:29:27,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:29:27,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:29:27,589 INFO L85 PathProgramCache]: Analyzing trace with hash -730563764, now seen corresponding path program 1 times [2022-09-16 10:29:27,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:29:27,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015778874] [2022-09-16 10:29:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:29:27,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:29:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:29:27,849 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 10:29:27,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:29:27,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015778874] [2022-09-16 10:29:27,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015778874] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:29:27,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:29:27,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:29:27,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892711387] [2022-09-16 10:29:27,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:29:27,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:29:27,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:29:27,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:29:27,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:28,765 INFO L87 Difference]: Start difference. First operand has 401146 states, 401066 states have (on average 4.624665267063277) internal successors, (1854796), 401145 states have internal predecessors, (1854796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 10:29:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:29:35,837 INFO L93 Difference]: Finished difference Result 316735 states and 1417619 transitions. [2022-09-16 10:29:35,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:29:35,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 54 [2022-09-16 10:29:35,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:29:40,643 INFO L225 Difference]: With dead ends: 316735 [2022-09-16 10:29:40,643 INFO L226 Difference]: Without dead ends: 316735 [2022-09-16 10:29:40,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:29:40,647 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 66 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:29:40,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 194 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:29:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316735 states. [2022-09-16 10:29:56,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316735 to 316735. [2022-09-16 10:29:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316735 states, 316543 states have (on average 4.478440527827183) internal successors, (1417619), 316734 states have internal predecessors, (1417619), 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 10:30:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316735 states to 316735 states and 1417619 transitions. [2022-09-16 10:30:02,253 INFO L78 Accepts]: Start accepts. Automaton has 316735 states and 1417619 transitions. Word has length 54 [2022-09-16 10:30:02,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:30:02,254 INFO L495 AbstractCegarLoop]: Abstraction has 316735 states and 1417619 transitions. [2022-09-16 10:30:02,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 10:30:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 316735 states and 1417619 transitions. [2022-09-16 10:30:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-09-16 10:30:02,289 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:30:02,289 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, 1, 1, 1] [2022-09-16 10:30:02,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:30:02,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2022-09-16 10:30:02,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:30:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash -82940944, now seen corresponding path program 1 times [2022-09-16 10:30:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:30:02,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698055975] [2022-09-16 10:30:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:30:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:30:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:30:02,491 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 10:30:02,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:30:02,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698055975] [2022-09-16 10:30:02,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698055975] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:30:02,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:30:02,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:30:02,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475229960] [2022-09-16 10:30:02,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:30:02,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:30:02,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:30:02,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:30:02,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:02,493 INFO L87 Difference]: Start difference. First operand 316735 states and 1417619 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 10:30:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:30:08,887 INFO L93 Difference]: Finished difference Result 287455 states and 1242591 transitions. [2022-09-16 10:30:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:30:08,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 66 [2022-09-16 10:30:08,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:30:12,694 INFO L225 Difference]: With dead ends: 287455 [2022-09-16 10:30:12,695 INFO L226 Difference]: Without dead ends: 287455 [2022-09-16 10:30:12,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:30:12,703 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 238 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:30:12,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 255 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:30:14,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287455 states. [2022-09-16 10:30:29,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287455 to 278815. [2022-09-16 10:30:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278815 states, 278707 states have (on average 4.378781300792588) internal successors, (1220397), 278814 states have internal predecessors, (1220397), 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)