./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c --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/weaver/parallel-misc-5.wvr.c -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 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f --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 22:43:59,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-18 22:43:59,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-18 22:43:59,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-18 22:43:59,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-18 22:43:59,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-18 22:43:59,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-18 22:43:59,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-18 22:43:59,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-18 22:43:59,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-18 22:43:59,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-18 22:43:59,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-18 22:43:59,728 INFO L153 SettingsManager]: * Use SBE=true [2024-10-18 22:43:59,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-18 22:43:59,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-18 22:43:59,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-18 22:43:59,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-18 22:43:59,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-18 22:43:59,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-18 22:43:59,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-18 22:43:59,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-18 22:43:59,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-18 22:43:59,735 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-18 22:43:59,735 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-18 22:43:59,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-18 22:43:59,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-18 22:43:59,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-18 22:43:59,736 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-18 22:43:59,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-18 22:43:59,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-18 22:43:59,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 22:43:59,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-18 22:43:59,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-18 22:43:59,738 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-18 22:43:59,738 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 -> 103efe8931e099ca6c2446ad32c4c46818a6d213fc850bc42032bda38d601e6f 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 22:43:59,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-18 22:44:00,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-18 22:44:00,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-18 22:44:00,021 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-18 22:44:00,022 INFO L274 PluginConnector]: CDTParser initialized [2024-10-18 22:44:00,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2024-10-18 22:44:01,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-18 22:44:01,387 INFO L384 CDTParser]: Found 1 translation units. [2024-10-18 22:44:01,388 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c [2024-10-18 22:44:01,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b3da6427d/211460495d4343578a66837e8fe907a5/FLAG999d6ef9a [2024-10-18 22:44:01,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b3da6427d/211460495d4343578a66837e8fe907a5 [2024-10-18 22:44:01,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-18 22:44:01,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-18 22:44:01,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-18 22:44:01,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-18 22:44:01,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-18 22:44:01,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626026a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01, skipping insertion in model container [2024-10-18 22:44:01,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-18 22:44:01,604 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2024-10-18 22:44:01,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 22:44:01,617 INFO L200 MainTranslator]: Completed pre-run [2024-10-18 22:44:01,637 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3066,3079] [2024-10-18 22:44:01,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-18 22:44:01,655 INFO L204 MainTranslator]: Completed translation [2024-10-18 22:44:01,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01 WrapperNode [2024-10-18 22:44:01,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-18 22:44:01,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-18 22:44:01,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-18 22:44:01,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-18 22:44:01,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,685 INFO L138 Inliner]: procedures = 21, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2024-10-18 22:44:01,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-18 22:44:01,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-18 22:44:01,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-18 22:44:01,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-18 22:44:01,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-18 22:44:01,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-18 22:44:01,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-18 22:44:01,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-18 22:44:01,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (1/1) ... [2024-10-18 22:44:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-18 22:44:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:01,744 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 22:44:01,746 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 22:44:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-18 22:44:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-18 22:44:01,785 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-18 22:44:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-18 22:44:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-18 22:44:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-18 22:44:01,786 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-18 22:44:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-18 22:44:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-18 22:44:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-18 22:44:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-18 22:44:01,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-18 22:44:01,789 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 22:44:01,879 INFO L238 CfgBuilder]: Building ICFG [2024-10-18 22:44:01,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-18 22:44:02,094 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-18 22:44:02,095 INFO L287 CfgBuilder]: Performing block encoding [2024-10-18 22:44:02,220 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-18 22:44:02,220 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-18 22:44:02,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:44:02 BoogieIcfgContainer [2024-10-18 22:44:02,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-18 22:44:02,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-18 22:44:02,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-18 22:44:02,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-18 22:44:02,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 10:44:01" (1/3) ... [2024-10-18 22:44:02,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6877e5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:44:02, skipping insertion in model container [2024-10-18 22:44:02,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 10:44:01" (2/3) ... [2024-10-18 22:44:02,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6877e5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 10:44:02, skipping insertion in model container [2024-10-18 22:44:02,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 10:44:02" (3/3) ... [2024-10-18 22:44:02,231 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2024-10-18 22:44:02,244 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-18 22:44:02,244 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-18 22:44:02,244 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-18 22:44:02,295 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-18 22:44:02,332 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-18 22:44:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-18 22:44:02,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:02,335 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 22:44:02,336 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 22:44:02,450 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-18 22:44:02,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:02,468 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-18 22:44:02,473 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;@41a7ebdd, 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 22:44:02,473 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-18 22:44:03,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:03,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:03,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1537040272, now seen corresponding path program 1 times [2024-10-18 22:44:03,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:03,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565134544] [2024-10-18 22:44:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:03,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:03,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:03,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565134544] [2024-10-18 22:44:03,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565134544] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-18 22:44:03,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-18 22:44:03,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-18 22:44:03,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724256965] [2024-10-18 22:44:03,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-18 22:44:03,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-18 22:44:03,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:03,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-18 22:44:03,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-18 22:44:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:03,669 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:03,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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 22:44:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:03,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:03,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-18 22:44:03,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:03,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1454456136, now seen corresponding path program 1 times [2024-10-18 22:44:03,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:03,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796094494] [2024-10-18 22:44:03,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:03,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:04,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:04,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:04,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796094494] [2024-10-18 22:44:04,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796094494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:04,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984185705] [2024-10-18 22:44:04,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:04,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:04,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:04,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-18 22:44:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:04,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-18 22:44:04,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:04,322 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:04,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984185705] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:04,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:04,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2024-10-18 22:44:04,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284575870] [2024-10-18 22:44:04,531 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:04,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 22:44:04,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:04,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 22:44:04,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-18 22:44:04,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:04,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:04,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.375) internal successors, (86), 16 states have internal predecessors, (86), 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 22:44:04,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:04,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:05,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1873608577, now seen corresponding path program 1 times [2024-10-18 22:44:05,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:05,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:05,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:05,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:05,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-18 22:44:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-18 22:44:06,944 INFO L85 PathProgramCache]: Analyzing trace with hash 832714242, now seen corresponding path program 1 times [2024-10-18 22:44:06,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:06,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:07,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:07,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:07,276 INFO L85 PathProgramCache]: Analyzing trace with hash 44332654, now seen corresponding path program 1 times [2024-10-18 22:44:07,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:07,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:07,382 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 22:44:07,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 22:44:07,528 INFO L85 PathProgramCache]: Analyzing trace with hash 44332655, now seen corresponding path program 1 times [2024-10-18 22:44:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 22:44:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:07,677 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-18 22:44:07,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:07,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-18 22:44:08,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-10-18 22:44:08,159 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:08,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:08,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1470446108, now seen corresponding path program 1 times [2024-10-18 22:44:08,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:08,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292980680] [2024-10-18 22:44:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 22:44:08,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:08,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292980680] [2024-10-18 22:44:08,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292980680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:08,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496201714] [2024-10-18 22:44:08,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:08,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:08,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:08,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:08,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-18 22:44:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:08,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-18 22:44:08,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:08,387 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-18 22:44:08,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-18 22:44:08,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496201714] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:08,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:08,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 5 [2024-10-18 22:44:08,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651467625] [2024-10-18 22:44:08,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:08,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-18 22:44:08,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:08,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-18 22:44:08,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-18 22:44:08,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:08,445 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:08,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 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 22:44:08,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:08,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:08,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:09,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1923134545, now seen corresponding path program 1 times [2024-10-18 22:44:09,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:09,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:09,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:09,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:10,114 INFO L85 PathProgramCache]: Analyzing trace with hash -512378774, now seen corresponding path program 1 times [2024-10-18 22:44:10,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:10,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:10,197 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:10,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:10,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:10,410 INFO L85 PathProgramCache]: Analyzing trace with hash -512378771, now seen corresponding path program 1 times [2024-10-18 22:44:10,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:10,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:10,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:10,782 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:10,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:10,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:10,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:10,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-18 22:44:10,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-10-18 22:44:10,999 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:10,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:10,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1827111904, now seen corresponding path program 1 times [2024-10-18 22:44:11,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:11,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486335977] [2024-10-18 22:44:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:11,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:11,291 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 54 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 22:44:11,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:11,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486335977] [2024-10-18 22:44:11,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486335977] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:11,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128687922] [2024-10-18 22:44:11,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:11,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:11,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:11,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:11,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-18 22:44:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:11,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-18 22:44:11,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 39 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 22:44:11,496 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:11,742 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 47 proven. 35 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-18 22:44:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128687922] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:11,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-10-18 22:44:11,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875241174] [2024-10-18 22:44:11,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:11,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-18 22:44:11,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:11,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-18 22:44:11,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-10-18 22:44:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:11,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:11,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.36) internal successors, (134), 24 states have internal predecessors, (134), 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 22:44:11,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:11,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:11,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:11,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:14,410 INFO L85 PathProgramCache]: Analyzing trace with hash -933035300, now seen corresponding path program 1 times [2024-10-18 22:44:14,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:14,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:14,555 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 61 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:14,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 61 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:14,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1140664200, now seen corresponding path program 1 times [2024-10-18 22:44:14,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:14,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 22:44:14,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:14,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 22:44:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1140664203, now seen corresponding path program 1 times [2024-10-18 22:44:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 22:44:15,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-18 22:44:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:15,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-18 22:44:15,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-18 22:44:16,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-18 22:44:16,018 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:16,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:16,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1937191484, now seen corresponding path program 2 times [2024-10-18 22:44:16,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:16,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809533935] [2024-10-18 22:44:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:16,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 161 proven. 65 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-18 22:44:16,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:16,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809533935] [2024-10-18 22:44:16,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809533935] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:16,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523035177] [2024-10-18 22:44:16,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 22:44:16,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:16,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:16,157 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:16,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-18 22:44:16,233 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 22:44:16,233 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 22:44:16,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-18 22:44:16,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:16,311 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 165 proven. 71 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-18 22:44:16,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 169 proven. 65 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-18 22:44:16,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523035177] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:16,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:16,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 11 [2024-10-18 22:44:16,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763040513] [2024-10-18 22:44:16,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:16,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-18 22:44:16,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:16,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-18 22:44:16,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=68, Unknown=0, NotChecked=0, Total=132 [2024-10-18 22:44:16,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:16,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:16,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.5) internal successors, (126), 11 states have internal predecessors, (126), 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 22:44:16,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:16,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:16,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:16,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-10-18 22:44:16,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash 461452273, now seen corresponding path program 1 times [2024-10-18 22:44:19,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:19,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:19,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:19,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:19,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1420100972, now seen corresponding path program 1 times [2024-10-18 22:44:19,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:19,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:19,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:19,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1420100975, now seen corresponding path program 1 times [2024-10-18 22:44:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:20,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:20,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 245 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-18 22:44:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:44:21,346 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-18 22:44:21,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-10-18 22:44:21,533 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:21,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:21,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1965091792, now seen corresponding path program 2 times [2024-10-18 22:44:21,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:21,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865851843] [2024-10-18 22:44:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:21,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 298 proven. 142 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 22:44:22,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:22,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865851843] [2024-10-18 22:44:22,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865851843] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:22,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124611393] [2024-10-18 22:44:22,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-18 22:44:22,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:22,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:22,195 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:22,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-18 22:44:22,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-18 22:44:22,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 22:44:22,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-18 22:44:22,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 207 proven. 233 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 22:44:22,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 282 proven. 158 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-18 22:44:22,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124611393] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:22,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:22,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 37 [2024-10-18 22:44:22,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768041176] [2024-10-18 22:44:22,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:22,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-10-18 22:44:22,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:22,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-10-18 22:44:22,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=993, Unknown=0, NotChecked=0, Total=1406 [2024-10-18 22:44:22,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:22,885 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:22,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.894736842105263) internal successors, (224), 37 states have internal predecessors, (224), 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 22:44:22,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:22,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:22,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:22,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-10-18 22:44:22,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:44:22,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:30,296 INFO L85 PathProgramCache]: Analyzing trace with hash 200023230, now seen corresponding path program 1 times [2024-10-18 22:44:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:30,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 281 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:30,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:30,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 281 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:44:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1905723882, now seen corresponding path program 1 times [2024-10-18 22:44:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:31,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 332 proven. 274 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 22:44:31,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:31,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 332 proven. 274 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 22:44:32,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1905723885, now seen corresponding path program 1 times [2024-10-18 22:44:32,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:32,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 332 proven. 274 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 22:44:32,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:32,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 332 proven. 274 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-10-18 22:44:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-10-18 22:44:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:44:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-10-18 22:44:33,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-18 22:44:33,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-10-18 22:44:33,862 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:33,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -719084932, now seen corresponding path program 3 times [2024-10-18 22:44:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:33,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253535539] [2024-10-18 22:44:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 667 proven. 303 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-10-18 22:44:34,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:34,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253535539] [2024-10-18 22:44:34,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253535539] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:34,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269495213] [2024-10-18 22:44:34,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 22:44:34,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:34,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:34,165 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:34,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-18 22:44:34,237 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-18 22:44:34,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 22:44:34,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-18 22:44:34,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-10-18 22:44:34,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:34,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 982 trivial. 0 not checked. [2024-10-18 22:44:34,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269495213] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:34,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:34,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2024-10-18 22:44:34,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823915232] [2024-10-18 22:44:34,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:34,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-18 22:44:34,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:34,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-18 22:44:34,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-18 22:44:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:34,336 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:34,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.4375) internal successors, (151), 16 states have internal predecessors, (151), 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 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-10-18 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-10-18 22:44:34,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1164881623, now seen corresponding path program 1 times [2024-10-18 22:44:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 352 proven. 396 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 22:44:44,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 352 proven. 396 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 22:44:44,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1751631868, now seen corresponding path program 1 times [2024-10-18 22:44:44,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:44,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 352 proven. 396 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 22:44:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 352 proven. 396 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 22:44:45,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1751631865, now seen corresponding path program 1 times [2024-10-18 22:44:45,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:45,876 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 352 proven. 396 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 22:44:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 352 proven. 396 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-18 22:44:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 22:44:46,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-18 22:44:46,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-10-18 22:44:46,467 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:44:46,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:44:46,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1046495104, now seen corresponding path program 3 times [2024-10-18 22:44:46,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:44:46,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869505565] [2024-10-18 22:44:46,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:44:46,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:44:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:44:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 683 proven. 424 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-10-18 22:44:46,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:44:46,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869505565] [2024-10-18 22:44:46,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869505565] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:44:46,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003491617] [2024-10-18 22:44:46,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-18 22:44:46,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:44:46,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:44:46,791 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:44:46,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-18 22:44:46,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-10-18 22:44:46,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 22:44:46,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-18 22:44:46,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:44:47,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 723 proven. 436 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-18 22:44:47,051 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:44:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1183 backedges. 733 proven. 424 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-18 22:44:47,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003491617] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:44:47,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:44:47,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17, 16] total 22 [2024-10-18 22:44:47,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675882718] [2024-10-18 22:44:47,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:44:47,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-18 22:44:47,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:44:47,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-18 22:44:47,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=258, Unknown=0, NotChecked=0, Total=506 [2024-10-18 22:44:47,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:44:47,249 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:44:47,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.73913043478261) internal successors, (224), 22 states have internal predecessors, (224), 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 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 22:44:47,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:45:06,608 INFO L85 PathProgramCache]: Analyzing trace with hash -84234930, now seen corresponding path program 1 times [2024-10-18 22:45:06,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:06,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 1201 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:45:07,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:07,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 1201 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:45:08,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1683633912, now seen corresponding path program 1 times [2024-10-18 22:45:08,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 1201 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:45:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 1201 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:45:11,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1683633915, now seen corresponding path program 1 times [2024-10-18 22:45:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:11,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:12,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 1201 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:45:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:12,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1593 backedges. 1201 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-18 22:45:13,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-18 22:45:13,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-18 22:45:13,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:45:13,289 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-18 22:45:13,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-18 22:45:13,290 INFO L85 PathProgramCache]: Analyzing trace with hash -858559352, now seen corresponding path program 4 times [2024-10-18 22:45:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-18 22:45:13,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778260107] [2024-10-18 22:45:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-18 22:45:13,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-18 22:45:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-18 22:45:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1490 proven. 636 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 22:45:14,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-18 22:45:14,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778260107] [2024-10-18 22:45:14,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778260107] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-18 22:45:14,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263137505] [2024-10-18 22:45:14,665 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-18 22:45:14,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-18 22:45:14,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-18 22:45:14,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-18 22:45:14,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-18 22:45:14,767 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-18 22:45:14,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-18 22:45:14,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-10-18 22:45:14,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-18 22:45:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1399 proven. 727 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 22:45:16,483 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-18 22:45:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 1490 proven. 636 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-18 22:45:17,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263137505] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-18 22:45:17,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-18 22:45:17,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 38, 37] total 92 [2024-10-18 22:45:17,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931932056] [2024-10-18 22:45:17,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-18 22:45:17,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-10-18 22:45:17,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-18 22:45:17,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-10-18 22:45:17,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3061, Invalid=5495, Unknown=0, NotChecked=0, Total=8556 [2024-10-18 22:45:17,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-18 22:45:17,106 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-18 22:45:17,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 5.473118279569892) internal successors, (509), 92 states have internal predecessors, (509), 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 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-10-18 22:45:17,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.