./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b86fb0b7 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 5 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-18 21:27:05,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 21:27:05,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 21:27:05,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 21:27:05,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 21:27:05,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 21:27:05,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 21:27:05,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 21:27:05,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 21:27:05,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 21:27:05,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 21:27:05,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 21:27:05,351 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 21:27:05,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 21:27:05,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 21:27:05,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 21:27:05,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 21:27:05,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 21:27:05,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 21:27:05,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 21:27:05,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 21:27:05,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 21:27:05,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 21:27:05,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 21:27:05,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 21:27:05,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 21:27:05,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 21:27:05,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 21:27:05,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 21:27:05,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 21:27:05,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:27:05,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 21:27:05,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 21:27:05,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 21:27:05,359 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 21:27:05,360 INFO L153 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edceb7bcc6473f68e1454dc7ab02ec33e8dca99fdd725419b9e71852c466530e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 5 [2024-10-18 21:27:05,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 21:27:05,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 21:27:05,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 21:27:05,587 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 21:27:05,587 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 21:27:05,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2024-10-18 21:27:06,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 21:27:07,218 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 21:27:07,218 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2024-10-18 21:27:07,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4e6ac0aad/bc8ab8b32dd743f482f8d8e14d7481d4/FLAG9c25c054e [2024-10-18 21:27:07,264 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4e6ac0aad/bc8ab8b32dd743f482f8d8e14d7481d4 [2024-10-18 21:27:07,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 21:27:07,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 21:27:07,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 21:27:07,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 21:27:07,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 21:27:07,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2defd4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07, skipping insertion in model container [2024-10-18 21:27:07,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 21:27:07,696 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[186203,186216] [2024-10-18 21:27:07,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:27:07,736 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 21:27:07,777 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[186203,186216] [2024-10-18 21:27:07,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 21:27:07,824 INFO L204 MainTranslator]: Completed translation [2024-10-18 21:27:07,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07 WrapperNode [2024-10-18 21:27:07,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 21:27:07,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 21:27:07,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 21:27:07,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 21:27:07,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,879 INFO L138 Inliner]: procedures = 246, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 126 [2024-10-18 21:27:07,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 21:27:07,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 21:27:07,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 21:27:07,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 21:27:07,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 21:27:07,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 21:27:07,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 21:27:07,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 21:27:07,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (1/1) ... [2024-10-18 21:27:07,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 21:27:07,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:27:07,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-18 21:27:07,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-18 21:27:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-18 21:27:08,016 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-18 21:27:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-18 21:27:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-18 21:27:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-18 21:27:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-18 21:27:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-18 21:27:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-18 21:27:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 21:27:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-18 21:27:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 21:27:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 21:27:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 21:27:08,019 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-18 21:27:08,192 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 21:27:08,193 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 21:27:08,385 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 21:27:08,385 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 21:27:08,505 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 21:27:08,505 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-18 21:27:08,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:27:08 BoogieIcfgContainer [2024-10-18 21:27:08,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 21:27:08,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 21:27:08,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 21:27:08,511 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 21:27:08,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 09:27:07" (1/3) ... [2024-10-18 21:27:08,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a23e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:27:08, skipping insertion in model container [2024-10-18 21:27:08,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 09:27:07" (2/3) ... [2024-10-18 21:27:08,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a23e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 09:27:08, skipping insertion in model container [2024-10-18 21:27:08,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:27:08" (3/3) ... [2024-10-18 21:27:08,514 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2024-10-18 21:27:08,527 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 21:27:08,527 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-18 21:27:08,528 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 21:27:08,574 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-18 21:27:08,616 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 21:27:08,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 21:27:08,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 21:27:08,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-18 21:27:08,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-18 21:27:08,726 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 21:27:08,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:08,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 21:27:08,750 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@1a31c186, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=5, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-18 21:27:08,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-18 21:27:08,767 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:08,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:08,768 INFO L85 PathProgramCache]: Analyzing trace with hash 13054026, now seen corresponding path program 1 times [2024-10-18 21:27:08,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:08,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84419185] [2024-10-18 21:27:08,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:08,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:09,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:09,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:09,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84419185] [2024-10-18 21:27:09,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84419185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:09,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:09,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 21:27:09,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210680641] [2024-10-18 21:27:09,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:09,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-18 21:27:09,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:09,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-18 21:27:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-18 21:27:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:09,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:09,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-18 21:27:09,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:09,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:09,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 21:27:09,314 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:09,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:09,314 INFO L85 PathProgramCache]: Analyzing trace with hash -339911441, now seen corresponding path program 1 times [2024-10-18 21:27:09,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:09,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330103096] [2024-10-18 21:27:09,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:09,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:09,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:09,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330103096] [2024-10-18 21:27:09,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330103096] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:09,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:09,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 21:27:09,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980942862] [2024-10-18 21:27:09,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:09,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 21:27:09,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:09,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 21:27:09,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 21:27:09,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:09,484 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:09,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-10-18 21:27:09,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:09,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:09,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:09,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-18 21:27:09,561 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:09,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:09,562 INFO L85 PathProgramCache]: Analyzing trace with hash 80723095, now seen corresponding path program 1 times [2024-10-18 21:27:09,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:09,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760785428] [2024-10-18 21:27:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:09,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:09,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:09,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760785428] [2024-10-18 21:27:09,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760785428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:09,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:09,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-18 21:27:09,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755477561] [2024-10-18 21:27:09,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:09,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 21:27:09,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:09,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 21:27:09,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 21:27:09,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:09,751 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:09,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-10-18 21:27:09,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:09,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:09,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:12,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:12,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-18 21:27:12,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:12,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:12,644 INFO L85 PathProgramCache]: Analyzing trace with hash -234562386, now seen corresponding path program 1 times [2024-10-18 21:27:12,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:12,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413671453] [2024-10-18 21:27:12,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:13,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:13,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:13,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413671453] [2024-10-18 21:27:13,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413671453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:13,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:13,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-18 21:27:13,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022444347] [2024-10-18 21:27:13,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:13,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 21:27:13,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:13,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 21:27:13,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-18 21:27:13,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:13,251 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:13,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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) [2024-10-18 21:27:13,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:13,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:13,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:13,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:13,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-18 21:27:13,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-18 21:27:13,544 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:13,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash -2076065751, now seen corresponding path program 1 times [2024-10-18 21:27:13,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:13,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866836126] [2024-10-18 21:27:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:14,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:14,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:14,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866836126] [2024-10-18 21:27:14,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866836126] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:14,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:14,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-18 21:27:14,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087168318] [2024-10-18 21:27:14,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:14,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-18 21:27:14,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:14,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-18 21:27:14,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-18 21:27:14,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:14,678 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:14,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.066666666666667) internal successors, (31), 15 states have internal predecessors, (31), 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) [2024-10-18 21:27:14,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:14,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:14,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:14,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-18 21:27:14,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:22,425 INFO L349 Elim1Store]: treesize reduction 3, result has 76.9 percent of original size [2024-10-18 21:27:22,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 327610 treesize of output 286916 [2024-10-18 21:27:24,967 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 21:27:24,997 INFO L349 Elim1Store]: treesize reduction 3, result has 76.9 percent of original size [2024-10-18 21:27:24,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 490890 treesize of output 425876 [2024-10-18 21:27:26,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2024-10-18 21:27:26,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:26,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2024-10-18 21:27:26,800 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 21:27:26,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:29,113 INFO L349 Elim1Store]: treesize reduction 3, result has 76.9 percent of original size [2024-10-18 21:27:29,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39058 treesize of output 33980 [2024-10-18 21:27:29,385 INFO L349 Elim1Store]: treesize reduction 3, result has 76.9 percent of original size [2024-10-18 21:27:29,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 687434 treesize of output 606036 [2024-10-18 21:27:32,551 INFO L85 PathProgramCache]: Analyzing trace with hash 2047188902, now seen corresponding path program 1 times [2024-10-18 21:27:32,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:32,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:32,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:32,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:32,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:32,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 21:27:32,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 21:27:41,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-18 21:27:41,629 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-18 21:27:41,637 INFO L349 Elim1Store]: treesize reduction 12, result has 7.7 percent of original size [2024-10-18 21:27:41,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3456 treesize of output 2960 [2024-10-18 21:27:48,909 INFO L85 PathProgramCache]: Analyzing trace with hash -961652876, now seen corresponding path program 1 times [2024-10-18 21:27:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:49,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:49,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:49,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 21:27:49,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-18 21:27:51,485 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:27:51,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-10-18 21:27:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash -916357862, now seen corresponding path program 1 times [2024-10-18 21:27:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:51,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:27:51,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:27:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:27:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:27:56,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:27:56,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-10-18 21:27:56,638 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:56,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:56,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2119840640, now seen corresponding path program 2 times [2024-10-18 21:27:56,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:56,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493308753] [2024-10-18 21:27:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:56,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:57,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:57,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493308753] [2024-10-18 21:27:57,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493308753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:57,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:57,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-18 21:27:57,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149227734] [2024-10-18 21:27:57,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:57,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-18 21:27:57,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:57,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-18 21:27:57,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-18 21:27:57,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:57,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:57,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 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) [2024-10-18 21:27:57,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:57,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:57,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:57,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:27:57,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:27:57,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:57,727 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:27:57,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-10-18 21:27:57,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1713634123, now seen corresponding path program 1 times [2024-10-18 21:27:57,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:57,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:27:57,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:27:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:27:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:27:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:27:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:27:57,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-10-18 21:27:57,885 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:57,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:57,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2074894230, now seen corresponding path program 3 times [2024-10-18 21:27:57,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:57,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279854410] [2024-10-18 21:27:57,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:57,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:27:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:27:58,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:27:58,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279854410] [2024-10-18 21:27:58,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279854410] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:27:58,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:27:58,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-18 21:27:58,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252751031] [2024-10-18 21:27:58,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:27:58,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-18 21:27:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:27:58,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-18 21:27:58,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-18 21:27:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:58,495 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:27:58,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 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) [2024-10-18 21:27:58,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:58,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:58,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:58,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:27:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:27:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:27:58,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:27:59,353 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:27:59,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 532 treesize of output 484 [2024-10-18 21:27:59,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1713634108, now seen corresponding path program 1 times [2024-10-18 21:27:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:59,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:27:59,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:27:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:27:59,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:27:59,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:27:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:27:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:27:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:27:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:27:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-18 21:27:59,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2024-10-18 21:27:59,487 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-18 21:27:59,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 21:27:59,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1108441883, now seen corresponding path program 2 times [2024-10-18 21:27:59,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 21:27:59,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620728847] [2024-10-18 21:27:59,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:27:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:27:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 21:28:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 21:28:00,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 21:28:00,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620728847] [2024-10-18 21:28:00,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620728847] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 21:28:00,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 21:28:00,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-18 21:28:00,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604743386] [2024-10-18 21:28:00,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 21:28:00,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-18 21:28:00,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 21:28:00,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-18 21:28:00,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2024-10-18 21:28:00,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:28:00,564 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 21:28:00,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.066666666666667) internal successors, (31), 15 states have internal predecessors, (31), 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) [2024-10-18 21:28:00,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:28:00,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:28:00,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:28:00,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:28:00,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:28:00,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:28:00,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-10-18 21:28:00,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 21:28:01,612 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-10-18 21:28:01,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-10-18 21:28:01,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1713634099, now seen corresponding path program 1 times [2024-10-18 21:28:01,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 21:28:01,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 21:28:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:28:01,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-18 21:28:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-18 21:28:02,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-18 21:28:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-18 21:28:02,054 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-10-18 21:28:02,055 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-10-18 21:28:02,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-10-18 21:28:02,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-10-18 21:28:02,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-10-18 21:28:02,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-10-18 21:28:02,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-10-18 21:28:02,058 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-10-18 21:28:02,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-10-18 21:28:02,064 INFO L414 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-18 21:28:02,066 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-18 21:28:02,066 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-18 21:28:02,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 09:28:02 BasicIcfg [2024-10-18 21:28:02,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-18 21:28:02,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-18 21:28:02,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-18 21:28:02,069 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-18 21:28:02,069 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 09:27:08" (3/4) ... [2024-10-18 21:28:02,071 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-18 21:28:02,074 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-10-18 21:28:02,080 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-10-18 21:28:02,080 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-10-18 21:28:02,081 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-18 21:28:02,081 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-18 21:28:02,153 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-18 21:28:02,154 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-18 21:28:02,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-18 21:28:02,154 INFO L158 Benchmark]: Toolchain (without parser) took 54887.29ms. Allocated memory was 172.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 95.7MB in the beginning and 974.0MB in the end (delta: -878.3MB). Peak memory consumption was 136.9MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,156 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-18 21:28:02,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.16ms. Allocated memory is still 172.0MB. Free memory was 95.4MB in the beginning and 122.0MB in the end (delta: -26.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.15ms. Allocated memory is still 172.0MB. Free memory was 122.0MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,158 INFO L158 Benchmark]: Boogie Preprocessor took 51.99ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 116.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,158 INFO L158 Benchmark]: RCFGBuilder took 569.85ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 74.8MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,159 INFO L158 Benchmark]: TraceAbstraction took 53561.65ms. Allocated memory was 172.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 73.8MB in the beginning and 979.2MB in the end (delta: -905.5MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,159 INFO L158 Benchmark]: Witness Printer took 84.95ms. Allocated memory is still 1.2GB. Free memory was 979.2MB in the beginning and 974.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-18 21:28:02,159 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.16ms. Allocated memory is still 172.0MB. Free memory was 95.4MB in the beginning and 122.0MB in the end (delta: -26.5MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.15ms. Allocated memory is still 172.0MB. Free memory was 122.0MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.99ms. Allocated memory is still 172.0MB. Free memory was 119.9MB in the beginning and 116.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 569.85ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 74.8MB in the end (delta: 41.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 53561.65ms. Allocated memory was 172.0MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 73.8MB in the beginning and 979.2MB in the end (delta: -905.5MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * Witness Printer took 84.95ms. Allocated memory is still 1.2GB. Free memory was 979.2MB in the beginning and 974.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1870, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 211, dependent conditional: 197, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1684, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1684, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1684, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 76, dependent conditional: 48, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 435, independent conditional: 23, independent unconditional: 412, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11486, independent: 1685, independent conditional: 1330, independent unconditional: 355, dependent: 9802, dependent conditional: 5628, dependent unconditional: 4174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1735, independent: 1224, independent conditional: 501, independent unconditional: 723, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 469, unknown conditional: 43, unknown unconditional: 426] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 435, Positive conditional cache size: 23, Positive unconditional cache size: 412, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 730, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 76, dependent conditional: 48, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 435, independent conditional: 23, independent unconditional: 412, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11486, independent: 1685, independent conditional: 1330, independent unconditional: 355, dependent: 9802, dependent conditional: 5628, dependent unconditional: 4174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1735, independent: 1224, independent conditional: 501, independent unconditional: 723, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 469, unknown conditional: 43, unknown unconditional: 426] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 435, Positive conditional cache size: 23, Positive unconditional cache size: 412, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 730 ], Independence queries for same thread: 186, Persistent sets #1 benchmarks: Persistent set computation time: 4.6s, Number of persistent set computation: 196, Number of trivial persistent sets: 177, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 426, independent: 412, independent conditional: 0, independent unconditional: 412, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1870, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 211, dependent conditional: 197, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1684, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1684, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1684, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 25, dependent conditional: 11, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 76, dependent conditional: 48, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 435, independent conditional: 23, independent unconditional: 412, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11486, independent: 1685, independent conditional: 1330, independent unconditional: 355, dependent: 9802, dependent conditional: 5628, dependent unconditional: 4174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1735, independent: 1224, independent conditional: 501, independent unconditional: 723, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 469, unknown conditional: 43, unknown unconditional: 426] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 435, Positive conditional cache size: 23, Positive unconditional cache size: 412, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 730, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 1240, independent unconditional: 419, dependent: 76, dependent conditional: 48, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1735, independent: 1659, independent conditional: 524, independent unconditional: 1135, dependent: 76, dependent conditional: 34, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 469, independent: 435, independent conditional: 23, independent unconditional: 412, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 469, independent: 422, independent conditional: 0, independent unconditional: 422, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 13, independent conditional: 6, independent unconditional: 7, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11486, independent: 1685, independent conditional: 1330, independent unconditional: 355, dependent: 9802, dependent conditional: 5628, dependent unconditional: 4174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1735, independent: 1224, independent conditional: 501, independent unconditional: 723, dependent: 42, dependent conditional: 14, dependent unconditional: 28, unknown: 469, unknown conditional: 43, unknown unconditional: 426] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 435, Positive conditional cache size: 23, Positive unconditional cache size: 412, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 730 ], Independence queries for same thread: 186 - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 3885]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 60 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 53.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 48.5s, 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: 81, 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, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 2109 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 35.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 2, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 6, ConditionalCommutativityTraceChecks: 6, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-18 21:28:02,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-18 21:28:02,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE