/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.trace.refinement.strategy BADGER -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/mix019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-14 22:00:48,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-14 22:00:48,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-14 22:00:48,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-14 22:00:48,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-14 22:00:48,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-14 22:00:48,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-14 22:00:48,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-14 22:00:48,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-14 22:00:48,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-14 22:00:48,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-14 22:00:48,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-14 22:00:48,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-14 22:00:48,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-14 22:00:48,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-14 22:00:48,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-14 22:00:48,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-14 22:00:48,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-14 22:00:48,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-14 22:00:48,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-14 22:00:48,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-14 22:00:48,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-14 22:00:48,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-14 22:00:48,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-14 22:00:48,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-14 22:00:48,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-14 22:00:48,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-14 22:00:48,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-14 22:00:48,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-14 22:00:48,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-14 22:00:48,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-14 22:00:48,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-14 22:00:48,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-14 22:00:48,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-14 22:00:48,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-14 22:00:48,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-14 22:00:48,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-14 22:00:48,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-14 22:00:48,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-14 22:00:48,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-14 22:00:48,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-14 22:00:48,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-14 22:00:48,490 INFO L138 SettingsManager]: * Use SBE=true [2022-11-14 22:00:48,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-14 22:00:48,490 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-14 22:00:48,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-14 22:00:48,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-14 22:00:48,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-14 22:00:48,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-14 22:00:48,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 22:00:48,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-14 22:00:48,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-14 22:00:48,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-14 22:00:48,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-14 22:00:48,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-14 22:00:48,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-14 22:00:48,493 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-14 22:00:48,493 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-14 22:00:48,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-14 22:00:48,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-14 22:00:48,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-14 22:00:48,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-14 22:00:48,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-14 22:00:48,729 INFO L275 PluginConnector]: CDTParser initialized [2022-11-14 22:00:48,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i [2022-11-14 22:00:48,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7098911c9/52edfc82bd694056b0c59c83639b595d/FLAG0eae8b92d [2022-11-14 22:00:49,171 INFO L306 CDTParser]: Found 1 translation units. [2022-11-14 22:00:49,171 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i [2022-11-14 22:00:49,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7098911c9/52edfc82bd694056b0c59c83639b595d/FLAG0eae8b92d [2022-11-14 22:00:49,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7098911c9/52edfc82bd694056b0c59c83639b595d [2022-11-14 22:00:49,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-14 22:00:49,546 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-14 22:00:49,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-14 22:00:49,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-14 22:00:49,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-14 22:00:49,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:00:49" (1/1) ... [2022-11-14 22:00:49,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd9311e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:49, skipping insertion in model container [2022-11-14 22:00:49,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:00:49" (1/1) ... [2022-11-14 22:00:49,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-14 22:00:49,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-14 22:00:49,806 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-14 22:00:50,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 22:00:50,021 INFO L203 MainTranslator]: Completed pre-run [2022-11-14 22:00:50,036 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i[949,962] [2022-11-14 22:00:50,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-14 22:00:50,123 INFO L208 MainTranslator]: Completed translation [2022-11-14 22:00:50,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50 WrapperNode [2022-11-14 22:00:50,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-14 22:00:50,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-14 22:00:50,125 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-14 22:00:50,125 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-14 22:00:50,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,201 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-11-14 22:00:50,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-14 22:00:50,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-14 22:00:50,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-14 22:00:50,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-14 22:00:50,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,243 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-14 22:00:50,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-14 22:00:50,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-14 22:00:50,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-14 22:00:50,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (1/1) ... [2022-11-14 22:00:50,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-14 22:00:50,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:00:50,293 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) [2022-11-14 22:00:50,315 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 [2022-11-14 22:00:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-14 22:00:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-14 22:00:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-14 22:00:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-14 22:00:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-14 22:00:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-14 22:00:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-14 22:00:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-14 22:00:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-14 22:00:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-14 22:00:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-14 22:00:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-14 22:00:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-14 22:00:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-14 22:00:50,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-14 22:00:50,333 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-14 22:00:50,465 INFO L235 CfgBuilder]: Building ICFG [2022-11-14 22:00:50,467 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-14 22:00:50,750 INFO L276 CfgBuilder]: Performing block encoding [2022-11-14 22:00:50,884 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-14 22:00:50,884 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-14 22:00:50,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:00:50 BoogieIcfgContainer [2022-11-14 22:00:50,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-14 22:00:50,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-14 22:00:50,890 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-14 22:00:50,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-14 22:00:50,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:00:49" (1/3) ... [2022-11-14 22:00:50,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a72dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:00:50, skipping insertion in model container [2022-11-14 22:00:50,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:00:50" (2/3) ... [2022-11-14 22:00:50,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a72dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:00:50, skipping insertion in model container [2022-11-14 22:00:50,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:00:50" (3/3) ... [2022-11-14 22:00:50,904 INFO L112 eAbstractionObserver]: Analyzing ICFG mix019_tso.oepc.i [2022-11-14 22:00:50,911 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-14 22:00:50,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-14 22:00:50,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-14 22:00:50,920 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-14 22:00:50,968 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-14 22:00:51,006 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:51,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:00:51,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:00:51,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:00:51,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-14 22:00:51,043 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:00:51,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2022-11-14 22:00:51,060 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=PARTIAL_ORDER_FA, 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;@455981db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:51,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:00:51,461 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:51,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash -705647529, now seen corresponding path program 1 times [2022-11-14 22:00:51,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:51,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323171792] [2022-11-14 22:00:51,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:51,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:51,910 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:51,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323171792] [2022-11-14 22:00:51,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323171792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:51,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:51,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:00:51,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691396693] [2022-11-14 22:00:51,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:51,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:00:51,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:51,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:00:51,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:00:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:51,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:51,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-11-14 22:00:51,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:52,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:52,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-14 22:00:52,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:52,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1044359092, now seen corresponding path program 1 times [2022-11-14 22:00:52,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:52,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476154896] [2022-11-14 22:00:52,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:52,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:52,284 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:52,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476154896] [2022-11-14 22:00:52,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476154896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:52,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:52,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:00:52,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543813545] [2022-11-14 22:00:52,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:52,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:00:52,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:52,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:00:52,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:00:52,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:52,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:52,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-11-14 22:00:52,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:52,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:52,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:52,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:52,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-14 22:00:52,357 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:52,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:52,359 INFO L85 PathProgramCache]: Analyzing trace with hash 538800468, now seen corresponding path program 1 times [2022-11-14 22:00:52,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:52,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786520685] [2022-11-14 22:00:52,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:52,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:52,517 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:52,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786520685] [2022-11-14 22:00:52,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786520685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:52,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:52,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:00:52,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330715028] [2022-11-14 22:00:52,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:52,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:00:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:52,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:00:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:00:52,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:52,520 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:52,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2022-11-14 22:00:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:52,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:52,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-14 22:00:52,570 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:52,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1265574095, now seen corresponding path program 1 times [2022-11-14 22:00:52,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:52,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70873415] [2022-11-14 22:00:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:52,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:52,741 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:52,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70873415] [2022-11-14 22:00:52,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70873415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:52,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:52,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:00:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011175422] [2022-11-14 22:00:52,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:52,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:00:52,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:52,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:00:52,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:00:52,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:52,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:52,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 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) [2022-11-14 22:00:52,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:52,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:52,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:52,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:00:54,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:00:54,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:00:54,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-14 22:00:54,099 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 22:00:54,101 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork2 was SAFE,SAFE (1/4) [2022-11-14 22:00:54,112 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:54,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:00:54,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:00:54,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:00:54,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-14 22:00:54,158 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:00:54,158 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-14 22:00:54,159 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=PARTIAL_ORDER_FA, 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;@455981db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:54,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-14 22:00:54,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2022-11-14 22:00:54,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-14 22:00:54,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-11-14 22:00:54,222 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-14 22:00:54,222 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/4) [2022-11-14 22:00:54,226 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:54,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:00:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:00:54,230 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:00:54,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-14 22:00:54,234 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:00:54,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork1 ======== [2022-11-14 22:00:54,235 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=PARTIAL_ORDER_FA, 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;@455981db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:54,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:00:54,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:54,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:54,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1634941372, now seen corresponding path program 1 times [2022-11-14 22:00:54,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:54,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462895894] [2022-11-14 22:00:54,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:54,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:54,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:54,470 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:54,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462895894] [2022-11-14 22:00:54,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462895894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:54,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:54,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:00:54,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629129851] [2022-11-14 22:00:54,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:54,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:00:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:54,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:00:54,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:00:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,474 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:54,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-11-14 22:00:54,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:54,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-14 22:00:54,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:54,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:54,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2090309575, now seen corresponding path program 1 times [2022-11-14 22:00:54,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:54,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128239998] [2022-11-14 22:00:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:54,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:54,574 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:54,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128239998] [2022-11-14 22:00:54,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128239998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:54,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:54,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:00:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420756976] [2022-11-14 22:00:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:54,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:00:54,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:54,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:00:54,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:00:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,578 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:54,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 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) [2022-11-14 22:00:54,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:54,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:54,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-14 22:00:54,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:54,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:54,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2090309576, now seen corresponding path program 1 times [2022-11-14 22:00:54,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:54,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659390369] [2022-11-14 22:00:54,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:54,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:54,678 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:54,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659390369] [2022-11-14 22:00:54,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659390369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:54,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:54,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:00:54,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655175828] [2022-11-14 22:00:54,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:54,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:00:54,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:54,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:00:54,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:00:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:54,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 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) [2022-11-14 22:00:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:54,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:54,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:54,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:54,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-14 22:00:54,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:54,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:54,921 INFO L85 PathProgramCache]: Analyzing trace with hash 998555310, now seen corresponding path program 1 times [2022-11-14 22:00:54,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:54,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623734415] [2022-11-14 22:00:54,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:54,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:55,056 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:55,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623734415] [2022-11-14 22:00:55,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623734415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:55,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:55,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:00:55,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830125895] [2022-11-14 22:00:55,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:55,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:00:55,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:55,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:00:55,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:00:55,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:55,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:55,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 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) [2022-11-14 22:00:55,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:55,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:55,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:55,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:55,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:00:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:00:55,906 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:00:55,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-14 22:00:55,907 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-14 22:00:55,908 INFO L307 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork1 was SAFE,SAFE (3/4) [2022-11-14 22:00:55,909 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:55,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-14 22:00:55,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-14 22:00:55,915 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-14 22:00:55,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-14 22:00:55,926 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-14 22:00:55,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Thread1of1ForFork0 ======== [2022-11-14 22:00:55,927 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=PARTIAL_ORDER_FA, 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;@455981db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-14 22:00:55,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-14 22:00:56,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:56,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:56,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2051701792, now seen corresponding path program 1 times [2022-11-14 22:00:56,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:56,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499912449] [2022-11-14 22:00:56,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:56,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:56,072 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:56,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499912449] [2022-11-14 22:00:56,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499912449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:56,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:56,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-14 22:00:56,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912277281] [2022-11-14 22:00:56,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:56,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-14 22:00:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:56,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-14 22:00:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-14 22:00:56,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:56,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:56,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:00:56,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:56,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-14 22:00:56,210 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:56,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:56,210 INFO L85 PathProgramCache]: Analyzing trace with hash -472508052, now seen corresponding path program 1 times [2022-11-14 22:00:56,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:56,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118640912] [2022-11-14 22:00:56,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:56,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:56,324 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:56,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118640912] [2022-11-14 22:00:56,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118640912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:56,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:56,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-14 22:00:56,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525541963] [2022-11-14 22:00:56,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:56,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-14 22:00:56,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:56,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-14 22:00:56,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-14 22:00:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:56,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:56,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 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) [2022-11-14 22:00:56,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:56,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:56,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:56,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:00:56,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-14 22:00:56,754 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-14 22:00:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-14 22:00:56,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1209183311, now seen corresponding path program 1 times [2022-11-14 22:00:56,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-14 22:00:56,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777478238] [2022-11-14 22:00:56,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-14 22:00:56,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-14 22:00:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-14 22:00:56,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-14 22:00:56,844 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-14 22:00:56,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777478238] [2022-11-14 22:00:56,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777478238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-14 22:00:56,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-14 22:00:56,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-14 22:00:56,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077703547] [2022-11-14 22:00:56,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-14 22:00:56,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-14 22:00:56,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-14 22:00:56,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-14 22:00:56,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-14 22:00:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:56,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-14 22:00:56,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-14 22:00:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:00:56,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-14 22:00:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-14 22:00:57,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-14 22:00:57,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-14 22:00:57,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-14 22:00:57,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-14 22:00:57,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-14 22:00:57,372 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-14 22:00:57,372 INFO L307 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork0 was SAFE,SAFE (4/4) [2022-11-14 22:00:57,373 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-14 22:00:57,373 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-14 22:00:57,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:00:57 BasicIcfg [2022-11-14 22:00:57,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-14 22:00:57,377 INFO L158 Benchmark]: Toolchain (without parser) took 7831.20ms. Allocated memory was 219.2MB in the beginning and 428.9MB in the end (delta: 209.7MB). Free memory was 188.1MB in the beginning and 304.9MB in the end (delta: -116.9MB). Peak memory consumption was 220.9MB. Max. memory is 8.0GB. [2022-11-14 22:00:57,377 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 219.2MB. Free memory is still 176.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-14 22:00:57,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.15ms. Allocated memory was 219.2MB in the beginning and 278.9MB in the end (delta: 59.8MB). Free memory was 187.8MB in the beginning and 236.1MB in the end (delta: -48.3MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. [2022-11-14 22:00:57,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.79ms. Allocated memory is still 278.9MB. Free memory was 236.1MB in the beginning and 233.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 22:00:57,378 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 278.9MB. Free memory was 233.3MB in the beginning and 231.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-14 22:00:57,378 INFO L158 Benchmark]: RCFGBuilder took 640.11ms. Allocated memory is still 278.9MB. Free memory was 231.5MB in the beginning and 195.6MB in the end (delta: 35.9MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2022-11-14 22:00:57,378 INFO L158 Benchmark]: TraceAbstraction took 6487.13ms. Allocated memory was 278.9MB in the beginning and 428.9MB in the end (delta: 149.9MB). Free memory was 194.8MB in the beginning and 304.9MB in the end (delta: -110.1MB). Peak memory consumption was 169.0MB. Max. memory is 8.0GB. [2022-11-14 22:00:57,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 219.2MB. Free memory is still 176.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 577.15ms. Allocated memory was 219.2MB in the beginning and 278.9MB in the end (delta: 59.8MB). Free memory was 187.8MB in the beginning and 236.1MB in the end (delta: -48.3MB). Peak memory consumption was 14.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.79ms. Allocated memory is still 278.9MB. Free memory was 236.1MB in the beginning and 233.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 278.9MB. Free memory was 233.3MB in the beginning and 231.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 640.11ms. Allocated memory is still 278.9MB. Free memory was 231.5MB in the beginning and 195.6MB in the end (delta: 35.9MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6487.13ms. Allocated memory was 278.9MB in the beginning and 428.9MB in the end (delta: 149.9MB). Free memory was 194.8MB in the beginning and 304.9MB in the end (delta: -110.1MB). Peak memory consumption was 169.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31081, independent: 28113, independent conditional: 25777, independent unconditional: 2336, dependent: 2968, dependent conditional: 2910, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29633, independent: 28113, independent conditional: 25777, independent unconditional: 2336, dependent: 1520, dependent conditional: 1462, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29633, independent: 28113, independent conditional: 25777, independent unconditional: 2336, dependent: 1520, dependent conditional: 1462, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35053, independent: 28113, independent conditional: 325, independent unconditional: 27788, dependent: 6940, dependent conditional: 5095, dependent unconditional: 1845, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35053, independent: 28113, independent conditional: 325, independent unconditional: 27788, dependent: 6940, dependent conditional: 18, dependent unconditional: 6922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35053, independent: 28113, independent conditional: 325, independent unconditional: 27788, dependent: 6940, dependent conditional: 18, dependent unconditional: 6922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2416, independent: 2356, independent conditional: 12, independent unconditional: 2344, dependent: 60, dependent conditional: 2, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2416, independent: 2322, independent conditional: 0, independent unconditional: 2322, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 94, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 60, dependent conditional: 2, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 60, dependent conditional: 2, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 638, independent: 106, independent conditional: 20, independent unconditional: 86, dependent: 532, dependent conditional: 5, dependent unconditional: 527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35053, independent: 25757, independent conditional: 313, independent unconditional: 25444, dependent: 6880, dependent conditional: 16, dependent unconditional: 6864, unknown: 2416, unknown conditional: 14, unknown unconditional: 2402] , Statistics on independence cache: Total cache size (in pairs): 2416, Positive cache size: 2356, Positive conditional cache size: 12, Positive unconditional cache size: 2344, Negative cache size: 60, Negative conditional cache size: 2, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5077, Maximal queried relation: 4, Independence queries for same thread: 1448 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 4088, Number of trivial persistent sets: 3614, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2394, independent: 2336, independent conditional: 0, independent unconditional: 2336, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 31081, independent: 28113, independent conditional: 25777, independent unconditional: 2336, dependent: 2968, dependent conditional: 2910, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29633, independent: 28113, independent conditional: 25777, independent unconditional: 2336, dependent: 1520, dependent conditional: 1462, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29633, independent: 28113, independent conditional: 25777, independent unconditional: 2336, dependent: 1520, dependent conditional: 1462, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35053, independent: 28113, independent conditional: 325, independent unconditional: 27788, dependent: 6940, dependent conditional: 5095, dependent unconditional: 1845, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35053, independent: 28113, independent conditional: 325, independent unconditional: 27788, dependent: 6940, dependent conditional: 18, dependent unconditional: 6922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35053, independent: 28113, independent conditional: 325, independent unconditional: 27788, dependent: 6940, dependent conditional: 18, dependent unconditional: 6922, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2416, independent: 2356, independent conditional: 12, independent unconditional: 2344, dependent: 60, dependent conditional: 2, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2416, independent: 2322, independent conditional: 0, independent unconditional: 2322, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 94, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 60, dependent conditional: 2, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 34, independent conditional: 12, independent unconditional: 22, dependent: 60, dependent conditional: 2, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 638, independent: 106, independent conditional: 20, independent unconditional: 86, dependent: 532, dependent conditional: 5, dependent unconditional: 527, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35053, independent: 25757, independent conditional: 313, independent unconditional: 25444, dependent: 6880, dependent conditional: 16, dependent unconditional: 6864, unknown: 2416, unknown conditional: 14, unknown unconditional: 2402] , Statistics on independence cache: Total cache size (in pairs): 2416, Positive cache size: 2356, Positive conditional cache size: 12, Positive unconditional cache size: 2344, Negative cache size: 60, Negative conditional cache size: 2, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5077, Maximal queried relation: 4, Independence queries for same thread: 1448 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 28, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 28, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 28, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 687, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 657, independent conditional: 0, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 687, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 659, unknown conditional: 0, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 657, Positive conditional cache size: 0, Positive unconditional cache size: 657, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 58, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 659, independent: 657, independent conditional: 0, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 28, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 28, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 28, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 687, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 687, independent: 685, independent conditional: 0, independent unconditional: 685, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 659, independent: 657, independent conditional: 0, independent unconditional: 657, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 659, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 50, independent: 46, independent conditional: 0, independent unconditional: 46, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 687, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 659, unknown conditional: 0, unknown unconditional: 659] , Statistics on independence cache: Total cache size (in pairs): 659, Positive cache size: 657, Positive conditional cache size: 0, Positive unconditional cache size: 657, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30920, independent: 27721, independent conditional: 25423, independent unconditional: 2298, dependent: 3199, dependent conditional: 3141, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29337, independent: 27721, independent conditional: 25423, independent unconditional: 2298, dependent: 1616, dependent conditional: 1558, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29337, independent: 27721, independent conditional: 25423, independent unconditional: 2298, dependent: 1616, dependent conditional: 1558, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35051, independent: 27721, independent conditional: 347, independent unconditional: 27374, dependent: 7330, dependent conditional: 5367, dependent unconditional: 1963, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35051, independent: 27721, independent conditional: 347, independent unconditional: 27374, dependent: 7330, dependent conditional: 32, dependent unconditional: 7298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35051, independent: 27721, independent conditional: 347, independent unconditional: 27374, dependent: 7330, dependent conditional: 32, dependent unconditional: 7298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2383, independent: 2321, independent conditional: 15, independent unconditional: 2306, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2383, independent: 2284, independent conditional: 0, independent unconditional: 2284, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 500, independent: 80, independent conditional: 25, independent unconditional: 54, dependent: 420, dependent conditional: 6, dependent unconditional: 414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35051, independent: 25400, independent conditional: 332, independent unconditional: 25068, dependent: 7268, dependent conditional: 28, dependent unconditional: 7240, unknown: 2383, unknown conditional: 19, unknown unconditional: 2364] , Statistics on independence cache: Total cache size (in pairs): 2383, Positive cache size: 2321, Positive conditional cache size: 15, Positive unconditional cache size: 2306, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5335, Maximal queried relation: 4, Independence queries for same thread: 1583 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 3836, Number of trivial persistent sets: 3467, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2356, independent: 2298, independent conditional: 0, independent unconditional: 2298, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30920, independent: 27721, independent conditional: 25423, independent unconditional: 2298, dependent: 3199, dependent conditional: 3141, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29337, independent: 27721, independent conditional: 25423, independent unconditional: 2298, dependent: 1616, dependent conditional: 1558, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29337, independent: 27721, independent conditional: 25423, independent unconditional: 2298, dependent: 1616, dependent conditional: 1558, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35051, independent: 27721, independent conditional: 347, independent unconditional: 27374, dependent: 7330, dependent conditional: 5367, dependent unconditional: 1963, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35051, independent: 27721, independent conditional: 347, independent unconditional: 27374, dependent: 7330, dependent conditional: 32, dependent unconditional: 7298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35051, independent: 27721, independent conditional: 347, independent unconditional: 27374, dependent: 7330, dependent conditional: 32, dependent unconditional: 7298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2383, independent: 2321, independent conditional: 15, independent unconditional: 2306, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2383, independent: 2284, independent conditional: 0, independent unconditional: 2284, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 37, independent conditional: 15, independent unconditional: 22, dependent: 62, dependent conditional: 4, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 500, independent: 80, independent conditional: 25, independent unconditional: 54, dependent: 420, dependent conditional: 6, dependent unconditional: 414, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35051, independent: 25400, independent conditional: 332, independent unconditional: 25068, dependent: 7268, dependent conditional: 28, dependent unconditional: 7240, unknown: 2383, unknown conditional: 19, unknown unconditional: 2364] , Statistics on independence cache: Total cache size (in pairs): 2383, Positive cache size: 2321, Positive conditional cache size: 15, Positive unconditional cache size: 2306, Negative cache size: 62, Negative conditional cache size: 4, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5335, Maximal queried relation: 4, Independence queries for same thread: 1583 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34508, independent: 31257, independent conditional: 28999, independent unconditional: 2258, dependent: 3251, dependent conditional: 3193, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32914, independent: 31257, independent conditional: 28999, independent unconditional: 2258, dependent: 1657, dependent conditional: 1599, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32914, independent: 31257, independent conditional: 28999, independent unconditional: 2258, dependent: 1657, dependent conditional: 1599, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37423, independent: 31257, independent conditional: 478, independent unconditional: 30779, dependent: 6166, dependent conditional: 4031, dependent unconditional: 2135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37423, independent: 31257, independent conditional: 478, independent unconditional: 30779, dependent: 6166, dependent conditional: 132, dependent unconditional: 6034, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37423, independent: 31257, independent conditional: 478, independent unconditional: 30779, dependent: 6166, dependent conditional: 132, dependent unconditional: 6034, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2350, independent: 2286, independent conditional: 20, independent unconditional: 2266, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2350, independent: 2244, independent conditional: 0, independent unconditional: 2244, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 106, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 106, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 525, independent: 91, independent conditional: 27, independent unconditional: 64, dependent: 434, dependent conditional: 9, dependent unconditional: 425, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 37423, independent: 28971, independent conditional: 458, independent unconditional: 28513, dependent: 6102, dependent conditional: 126, dependent unconditional: 5976, unknown: 2350, unknown conditional: 26, unknown unconditional: 2324] , Statistics on independence cache: Total cache size (in pairs): 2350, Positive cache size: 2286, Positive conditional cache size: 20, Positive unconditional cache size: 2266, Negative cache size: 64, Negative conditional cache size: 6, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3899, Maximal queried relation: 3, Independence queries for same thread: 1594 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 3262, Number of trivial persistent sets: 2900, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2316, independent: 2258, independent conditional: 0, independent unconditional: 2258, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 34508, independent: 31257, independent conditional: 28999, independent unconditional: 2258, dependent: 3251, dependent conditional: 3193, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32914, independent: 31257, independent conditional: 28999, independent unconditional: 2258, dependent: 1657, dependent conditional: 1599, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32914, independent: 31257, independent conditional: 28999, independent unconditional: 2258, dependent: 1657, dependent conditional: 1599, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37423, independent: 31257, independent conditional: 478, independent unconditional: 30779, dependent: 6166, dependent conditional: 4031, dependent unconditional: 2135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37423, independent: 31257, independent conditional: 478, independent unconditional: 30779, dependent: 6166, dependent conditional: 132, dependent unconditional: 6034, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37423, independent: 31257, independent conditional: 478, independent unconditional: 30779, dependent: 6166, dependent conditional: 132, dependent unconditional: 6034, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2350, independent: 2286, independent conditional: 20, independent unconditional: 2266, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2350, independent: 2244, independent conditional: 0, independent unconditional: 2244, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 106, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 106, independent: 42, independent conditional: 20, independent unconditional: 22, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 525, independent: 91, independent conditional: 27, independent unconditional: 64, dependent: 434, dependent conditional: 9, dependent unconditional: 425, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 37423, independent: 28971, independent conditional: 458, independent unconditional: 28513, dependent: 6102, dependent conditional: 126, dependent unconditional: 5976, unknown: 2350, unknown conditional: 26, unknown unconditional: 2324] , Statistics on independence cache: Total cache size (in pairs): 2350, Positive cache size: 2286, Positive conditional cache size: 20, Positive unconditional cache size: 2266, Negative cache size: 64, Negative conditional cache size: 6, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3899, Maximal queried relation: 3, Independence queries for same thread: 1594 - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 810]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 787]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 154 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 154 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P1Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 154 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 154 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-14 22:00:57,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-11-14 22:00:57,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-11-14 22:00:57,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-11-14 22:00:58,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-14 22:00:58,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...