/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/mix008_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:21:17,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:21:17,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:21:17,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:21:17,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:21:17,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:21:17,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:21:17,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:21:17,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:21:17,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:21:17,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:21:17,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:21:17,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:21:17,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:21:17,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:21:17,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:21:17,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:21:17,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:21:17,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:21:17,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:21:17,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:21:17,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:21:17,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:21:17,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:21:17,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:21:17,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:21:17,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:21:17,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:21:17,384 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 10:21:17,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:21:17,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:21:17,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:21:17,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:21:17,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:21:17,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:21:17,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:21:17,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:21:17,430 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:21:17,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:21:17,430 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:21:17,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:21:17,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:21:17,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:17,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:21:17,433 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:21:17,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:21:17,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:21:17,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:21:17,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:21:17,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:21:17,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:21:17,663 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:21:17,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:21:17,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869c0b074/c5aed1efc92e4c7386bcf1d0671776a8/FLAG7f3d5254f [2022-09-16 10:21:18,057 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:21:18,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:21:18,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869c0b074/c5aed1efc92e4c7386bcf1d0671776a8/FLAG7f3d5254f [2022-09-16 10:21:18,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/869c0b074/c5aed1efc92e4c7386bcf1d0671776a8 [2022-09-16 10:21:18,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:21:18,450 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:21:18,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:18,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:21:18,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:21:18,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:18,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1558cfb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18, skipping insertion in model container [2022-09-16 10:21:18,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:18,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:21:18,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:21:18,674 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/mix008_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-09-16 10:21:18,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:18,862 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:21:18,870 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/mix008_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-09-16 10:21:18,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:18,959 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:21:18,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18 WrapperNode [2022-09-16 10:21:18,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:18,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:18,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:21:18,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:21:18,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:18,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,024 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 195 [2022-09-16 10:21:19,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:19,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:21:19,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:21:19,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:21:19,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:21:19,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:21:19,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:21:19,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:21:19,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (1/1) ... [2022-09-16 10:21:19,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:19,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:21:19,124 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 10:21:19,151 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 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:21:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:21:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:21:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:21:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:21:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-09-16 10:21:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-09-16 10:21:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:21:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:21:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:21:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:21:19,175 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 10:21:19,269 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:21:19,270 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:21:19,778 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:21:20,068 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:21:20,068 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:21:20,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:20 BoogieIcfgContainer [2022-09-16 10:21:20,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:21:20,072 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:21:20,072 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:21:20,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:21:20,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:21:18" (1/3) ... [2022-09-16 10:21:20,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154ad78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:20, skipping insertion in model container [2022-09-16 10:21:20,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:18" (2/3) ... [2022-09-16 10:21:20,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154ad78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:20, skipping insertion in model container [2022-09-16 10:21:20,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:20" (3/3) ... [2022-09-16 10:21:20,077 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008_power.oepc_pso.oepc_rmo.oepc.i [2022-09-16 10:21:20,083 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:21:20,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:21:20,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-09-16 10:21:20,090 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:21:20,154 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:21:20,189 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 156 places, 145 transitions, 310 flow [2022-09-16 10:21:30,973 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 405145 states, 405065 states have (on average 4.6249243948502095) internal successors, (1873395), 405144 states have internal predecessors, (1873395), 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 10:21:30,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:21:31,006 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;@59b441db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:21:31,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-09-16 10:21:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 405145 states, 405065 states have (on average 4.6249243948502095) internal successors, (1873395), 405144 states have internal predecessors, (1873395), 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 10:21:31,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:21:31,746 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:31,746 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] [2022-09-16 10:21:31,747 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 10:21:31,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:31,750 INFO L85 PathProgramCache]: Analyzing trace with hash 153532520, now seen corresponding path program 1 times [2022-09-16 10:21:31,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:31,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298117162] [2022-09-16 10:21:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:31,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:32,012 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 10:21:32,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:32,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298117162] [2022-09-16 10:21:32,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298117162] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:32,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:32,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:21:32,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846200491] [2022-09-16 10:21:32,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:32,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:21:32,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:32,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:21:32,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:21:33,908 INFO L87 Difference]: Start difference. First operand has 405145 states, 405065 states have (on average 4.6249243948502095) internal successors, (1873395), 405144 states have internal predecessors, (1873395), 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 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 10:21:39,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:39,693 INFO L93 Difference]: Finished difference Result 319698 states and 1431050 transitions. [2022-09-16 10:21:39,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:21:39,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:21:39,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:44,047 INFO L225 Difference]: With dead ends: 319698 [2022-09-16 10:21:44,048 INFO L226 Difference]: Without dead ends: 319698 [2022-09-16 10:21:44,049 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 10:21:44,057 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 66 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 193 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 10:21:44,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 193 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:45,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319698 states. [2022-09-16 10:21:59,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319698 to 319698. [2022-09-16 10:22:00,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319698 states, 319506 states have (on average 4.478945622304432) internal successors, (1431050), 319697 states have internal predecessors, (1431050), 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 10:22:04,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319698 states to 319698 states and 1431050 transitions. [2022-09-16 10:22:04,712 INFO L78 Accepts]: Start accepts. Automaton has 319698 states and 1431050 transitions. Word has length 53 [2022-09-16 10:22:04,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:22:04,712 INFO L495 AbstractCegarLoop]: Abstraction has 319698 states and 1431050 transitions. [2022-09-16 10:22:04,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 10:22:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 319698 states and 1431050 transitions. [2022-09-16 10:22:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-09-16 10:22:04,730 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:22:04,730 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] [2022-09-16 10:22:04,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:22:04,730 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 10:22:04,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:22:04,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1610921825, now seen corresponding path program 1 times [2022-09-16 10:22:04,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:22:04,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382749439] [2022-09-16 10:22:04,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:22:04,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:22:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:22:04,930 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 10:22:04,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:22:04,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382749439] [2022-09-16 10:22:04,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382749439] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:22:04,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:22:04,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:22:04,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429891596] [2022-09-16 10:22:04,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:22:04,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:22:04,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:22:04,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:22:04,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:22:04,951 INFO L87 Difference]: Start difference. First operand 319698 states and 1431050 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 10:22:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:22:10,733 INFO L93 Difference]: Finished difference Result 290184 states and 1254978 transitions. [2022-09-16 10:22:10,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:22:10,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 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 65 [2022-09-16 10:22:10,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:22:14,785 INFO L225 Difference]: With dead ends: 290184 [2022-09-16 10:22:14,785 INFO L226 Difference]: Without dead ends: 290184 [2022-09-16 10:22:14,789 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 10:22:14,795 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 236 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 254 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 10:22:14,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 254 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:22:16,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290184 states. [2022-09-16 10:22:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290184 to 281544. [2022-09-16 10:22:31,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281544 states, 281436 states have (on average 4.38033513836183) internal successors, (1232784), 281543 states have internal predecessors, (1232784), 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)