./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/popl20-more-mts.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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 14:30:25,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 14:30:25,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-22 14:30:25,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 14:30:25,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 14:30:25,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 14:30:25,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 14:30:25,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 14:30:25,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 14:30:25,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 14:30:25,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 14:30:25,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 14:30:25,879 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 14:30:25,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 14:30:25,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 14:30:25,883 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 14:30:25,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-22 14:30:25,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 14:30:25,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 14:30:25,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 14:30:25,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 14:30:25,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 14:30:25,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 14:30:25,888 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 14:30:25,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 14:30:25,889 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 14:30:25,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 14:30:25,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 14:30:25,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 14:30:25,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 14:30:25,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 14:30:25,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 14:30:25,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 14:30:25,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 14:30:25,890 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-22 14:30:25,891 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 14:30:25,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-22 14:30:25,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 14:30:25,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 14:30:25,892 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 14:30:25,893 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 14:30:25,893 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-09-22 14:30:26,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 14:30:26,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 14:30:26,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 14:30:26,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 14:30:26,132 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 14:30:26,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2024-09-22 14:30:27,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 14:30:27,675 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 14:30:27,675 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2024-09-22 14:30:27,683 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fbc4d358f/f1a950ac37f64ec29ea06cf4eb6c2540/FLAGa6036f3c1 [2024-09-22 14:30:27,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fbc4d358f/f1a950ac37f64ec29ea06cf4eb6c2540 [2024-09-22 14:30:27,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 14:30:27,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-22 14:30:27,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 14:30:27,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 14:30:27,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 14:30:27,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:27,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffecd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27, skipping insertion in model container [2024-09-22 14:30:27,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:27,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 14:30:27,888 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-09-22 14:30:27,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 14:30:27,906 INFO L200 MainTranslator]: Completed pre-run [2024-09-22 14:30:27,924 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-09-22 14:30:27,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 14:30:27,943 INFO L204 MainTranslator]: Completed translation [2024-09-22 14:30:27,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27 WrapperNode [2024-09-22 14:30:27,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 14:30:27,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 14:30:27,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 14:30:27,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 14:30:27,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:27,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:27,993 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 216 [2024-09-22 14:30:27,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 14:30:27,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 14:30:27,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 14:30:27,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 14:30:28,004 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 14:30:28,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 14:30:28,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 14:30:28,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 14:30:28,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (1/1) ... [2024-09-22 14:30:28,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 14:30:28,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 14:30:28,146 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) [2024-09-22 14:30:28,148 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 [2024-09-22 14:30:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 14:30:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 14:30:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 14:30:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 14:30:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 14:30:28,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 14:30:28,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 14:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-22 14:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-22 14:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 14:30:28,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 14:30:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 14:30:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 14:30:28,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 14:30:28,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-22 14:30:28,190 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 14:30:28,286 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 14:30:28,287 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 14:30:28,579 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 14:30:28,579 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 14:30:28,878 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 14:30:28,878 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-22 14:30:28,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:30:28 BoogieIcfgContainer [2024-09-22 14:30:28,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 14:30:28,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 14:30:28,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 14:30:28,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 14:30:28,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 02:30:27" (1/3) ... [2024-09-22 14:30:28,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff22f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:30:28, skipping insertion in model container [2024-09-22 14:30:28,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:30:27" (2/3) ... [2024-09-22 14:30:28,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff22f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:30:28, skipping insertion in model container [2024-09-22 14:30:28,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:30:28" (3/3) ... [2024-09-22 14:30:28,888 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2024-09-22 14:30:28,902 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 14:30:28,903 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-22 14:30:28,903 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 14:30:28,960 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-22 14:30:29,001 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 14:30:29,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 14:30:29,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 14:30:29,005 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) [2024-09-22 14:30:29,006 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 [2024-09-22 14:30:29,039 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 14:30:29,051 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 14:30:29,057 INFO L336 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;@514e6250, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 14:30:29,058 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-22 14:30:29,149 INFO L399 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)] === [2024-09-22 14:30:29,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:30:29,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1390002714, now seen corresponding path program 1 times [2024-09-22 14:30:29,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 14:30:29,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122914101] [2024-09-22 14:30:29,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:30:29,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 14:30:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:30:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:30:29,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 14:30:29,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122914101] [2024-09-22 14:30:29,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122914101] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 14:30:29,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 14:30:29,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 14:30:29,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147445263] [2024-09-22 14:30:29,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 14:30:29,815 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 14:30:29,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 14:30:29,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 14:30:29,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 14:30:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:30:29,839 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:30:29,840 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-09-22 14:30:29,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:30:29,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:29,906 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-22 14:30:29,906 INFO L399 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)] === [2024-09-22 14:30:29,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:30:29,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1361956643, now seen corresponding path program 1 times [2024-09-22 14:30:29,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 14:30:29,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634312591] [2024-09-22 14:30:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:30:29,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 14:30:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:30:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:30:30,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 14:30:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634312591] [2024-09-22 14:30:30,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634312591] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 14:30:30,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 14:30:30,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 14:30:30,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165877068] [2024-09-22 14:30:30,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 14:30:30,050 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 14:30:30,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 14:30:30,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 14:30:30,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 14:30:30,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:30:30,053 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:30:30,054 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2024-09-22 14:30:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:30:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,126 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-22 14:30:30,127 INFO L399 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)] === [2024-09-22 14:30:30,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:30:30,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1406932582, now seen corresponding path program 1 times [2024-09-22 14:30:30,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 14:30:30,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196401354] [2024-09-22 14:30:30,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:30:30,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 14:30:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:30:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:30:30,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 14:30:30,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196401354] [2024-09-22 14:30:30,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196401354] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 14:30:30,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648727405] [2024-09-22 14:30:30,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:30:30,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 14:30:30,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 14:30:30,262 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) [2024-09-22 14:30:30,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-22 14:30:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:30:30,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-22 14:30:30,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:30:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:30:30,473 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:30:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:30:30,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648727405] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-22 14:30:30,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:30:30,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-09-22 14:30:30,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659697886] [2024-09-22 14:30:30,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 14:30:30,528 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 14:30:30,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-22 14:30:30,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 14:30:30,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-09-22 14:30:30,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:30:30,530 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:30:30,530 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-09-22 14:30:30,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:30:30,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:30:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:30:30,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-22 14:30:30,831 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-22 14:30:30,832 INFO L399 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)] === [2024-09-22 14:30:30,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:30:30,833 INFO L85 PathProgramCache]: Analyzing trace with hash -484714559, now seen corresponding path program 1 times [2024-09-22 14:30:30,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-22 14:30:30,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915777043] [2024-09-22 14:30:30,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:30:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-22 14:30:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:30:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:30:31,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-22 14:30:31,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915777043] [2024-09-22 14:30:31,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915777043] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-22 14:30:31,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461164701] [2024-09-22 14:30:31,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:30:31,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 14:30:31,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 14:30:31,832 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) [2024-09-22 14:30:31,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-22 14:30:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:30:31,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-22 14:30:31,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:30:32,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-09-22 14:30:32,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 38 [2024-09-22 14:30:32,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:30:32,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:30:34,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 416 treesize of output 376 [2024-09-22 14:30:34,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 14:30:34,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 691 treesize of output 675 [2024-09-22 14:31:14,499 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-22 14:31:19,695 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-09-22 14:33:04,013 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-09-22 14:33:04,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-09-22 14:33:04,016 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-09-22 14:33:04,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-22 14:33:04,220 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-22 14:33:04,221 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:410) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:327) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-09-22 14:33:04,226 INFO L158 Benchmark]: Toolchain (without parser) took 156527.81ms. Allocated memory was 174.1MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 105.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-09-22 14:33:04,226 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-22 14:33:04,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.18ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 92.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-22 14:33:04,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.38ms. Allocated memory is still 174.1MB. Free memory was 92.1MB in the beginning and 89.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-22 14:33:04,227 INFO L158 Benchmark]: Boogie Preprocessor took 99.11ms. Allocated memory is still 174.1MB. Free memory was 89.6MB in the beginning and 144.6MB in the end (delta: -55.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-09-22 14:33:04,228 INFO L158 Benchmark]: RCFGBuilder took 784.78ms. Allocated memory is still 174.1MB. Free memory was 144.6MB in the beginning and 140.1MB in the end (delta: 4.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2024-09-22 14:33:04,228 INFO L158 Benchmark]: TraceAbstraction took 155343.93ms. Allocated memory was 174.1MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 140.1MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-09-22 14:33:04,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.18ms. Allocated memory is still 174.1MB. Free memory was 105.0MB in the beginning and 92.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.38ms. Allocated memory is still 174.1MB. Free memory was 92.1MB in the beginning and 89.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.11ms. Allocated memory is still 174.1MB. Free memory was 89.6MB in the beginning and 144.6MB in the end (delta: -55.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 784.78ms. Allocated memory is still 174.1MB. Free memory was 144.6MB in the beginning and 140.1MB in the end (delta: 4.5MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. * TraceAbstraction took 155343.93ms. Allocated memory was 174.1MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 140.1MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-22 14:33:04,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/popl20-more-mts.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-e94c40d-m [2024-09-22 14:33:06,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-22 14:33:06,572 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-09-22 14:33:06,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-22 14:33:06,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-22 14:33:06,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-22 14:33:06,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-22 14:33:06,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-22 14:33:06,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-22 14:33:06,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-22 14:33:06,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-22 14:33:06,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-22 14:33:06,611 INFO L153 SettingsManager]: * Use SBE=true [2024-09-22 14:33:06,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-22 14:33:06,612 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-22 14:33:06,613 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-22 14:33:06,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-22 14:33:06,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-22 14:33:06,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-22 14:33:06,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-22 14:33:06,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-22 14:33:06,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-22 14:33:06,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-22 14:33:06,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-22 14:33:06,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-22 14:33:06,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-22 14:33:06,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-22 14:33:06,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-22 14:33:06,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-22 14:33:06,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-22 14:33:06,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-22 14:33:06,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 14:33:06,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-22 14:33:06,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-22 14:33:06,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-22 14:33:06,628 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-22 14:33:06,630 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-22 14:33:06,630 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-22 14:33:06,630 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-22 14:33:06,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-22 14:33:06,631 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-22 14:33:06,632 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-22 14:33:06,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-22 14:33:06,632 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc67bee348fb2ffff05c0616660a93fb872177c05d08813d910a29641aea282e [2024-09-22 14:33:06,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-22 14:33:06,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-22 14:33:06,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-22 14:33:06,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-22 14:33:06,952 INFO L274 PluginConnector]: CDTParser initialized [2024-09-22 14:33:06,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2024-09-22 14:33:08,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-22 14:33:08,497 INFO L384 CDTParser]: Found 1 translation units. [2024-09-22 14:33:08,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c [2024-09-22 14:33:08,512 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/45d03ff87/2ce1f77d1ece44c0b75da12d678ed30a/FLAGb4e34bbd8 [2024-09-22 14:33:08,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/45d03ff87/2ce1f77d1ece44c0b75da12d678ed30a [2024-09-22 14:33:08,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-22 14:33:08,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-22 14:33:08,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-22 14:33:08,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-22 14:33:08,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-22 14:33:08,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e441813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08, skipping insertion in model container [2024-09-22 14:33:08,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-22 14:33:08,758 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-09-22 14:33:08,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 14:33:08,782 INFO L200 MainTranslator]: Completed pre-run [2024-09-22 14:33:08,813 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-mts.wvr.c[2572,2585] [2024-09-22 14:33:08,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-22 14:33:08,833 INFO L204 MainTranslator]: Completed translation [2024-09-22 14:33:08,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08 WrapperNode [2024-09-22 14:33:08,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-22 14:33:08,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-22 14:33:08,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-22 14:33:08,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-22 14:33:08,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,931 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 13, calls inlined = 19, statements flattened = 209 [2024-09-22 14:33:08,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-22 14:33:08,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-22 14:33:08,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-22 14:33:08,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-22 14:33:08,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-22 14:33:08,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-22 14:33:08,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-22 14:33:08,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-22 14:33:08,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (1/1) ... [2024-09-22 14:33:08,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-22 14:33:09,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 14:33:09,021 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) [2024-09-22 14:33:09,023 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 [2024-09-22 14:33:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-22 14:33:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-22 14:33:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-09-22 14:33:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-09-22 14:33:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-09-22 14:33:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-09-22 14:33:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-09-22 14:33:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-09-22 14:33:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-09-22 14:33:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-22 14:33:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-22 14:33:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-22 14:33:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-22 14:33:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-22 14:33:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-09-22 14:33:09,066 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-22 14:33:09,175 INFO L242 CfgBuilder]: Building ICFG [2024-09-22 14:33:09,177 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-22 14:33:09,633 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-22 14:33:09,634 INFO L291 CfgBuilder]: Performing block encoding [2024-09-22 14:33:09,997 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-22 14:33:09,997 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-22 14:33:09,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:33:09 BoogieIcfgContainer [2024-09-22 14:33:09,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-22 14:33:10,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-22 14:33:10,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-22 14:33:10,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-22 14:33:10,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 02:33:08" (1/3) ... [2024-09-22 14:33:10,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e3060c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:33:10, skipping insertion in model container [2024-09-22 14:33:10,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 02:33:08" (2/3) ... [2024-09-22 14:33:10,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e3060c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 02:33:10, skipping insertion in model container [2024-09-22 14:33:10,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 02:33:09" (3/3) ... [2024-09-22 14:33:10,006 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-mts.wvr.c [2024-09-22 14:33:10,024 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-22 14:33:10,024 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-22 14:33:10,024 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-22 14:33:10,095 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-09-22 14:33:10,137 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 14:33:10,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-22 14:33:10,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-22 14:33:10,140 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) [2024-09-22 14:33:10,142 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 [2024-09-22 14:33:10,176 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-22 14:33:10,187 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-22 14:33:10,193 INFO L336 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;@6941ce06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-22 14:33:10,193 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-22 14:33:10,309 INFO L399 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)] === [2024-09-22 14:33:10,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:10,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1475175792, now seen corresponding path program 1 times [2024-09-22 14:33:10,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:10,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965145319] [2024-09-22 14:33:10,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:33:10,329 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:10,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:10,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:10,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-09-22 14:33:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:33:10,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-22 14:33:10,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:10,770 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 14:33:10,771 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:10,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965145319] [2024-09-22 14:33:10,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965145319] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 14:33:10,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 14:33:10,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 14:33:10,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789540278] [2024-09-22 14:33:10,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 14:33:10,778 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 14:33:10,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:10,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 14:33:10,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 14:33:10,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:10,804 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:10,805 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-09-22 14:33:10,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:10,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:10,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-09-22 14:33:11,090 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:11,090 INFO L399 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)] === [2024-09-22 14:33:11,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:11,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1998519317, now seen corresponding path program 1 times [2024-09-22 14:33:11,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:11,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058562018] [2024-09-22 14:33:11,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:33:11,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:11,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:11,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:11,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-09-22 14:33:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:33:11,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-22 14:33:11,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:33:11,297 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 14:33:11,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:11,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058562018] [2024-09-22 14:33:11,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058562018] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 14:33:11,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 14:33:11,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-22 14:33:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306711540] [2024-09-22 14:33:11,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 14:33:11,299 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-22 14:33:11,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:11,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-22 14:33:11,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-22 14:33:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:11,301 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:11,301 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-09-22 14:33:11,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:11,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:11,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-09-22 14:33:11,638 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:11,639 INFO L399 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)] === [2024-09-22 14:33:11,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:11,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1320458958, now seen corresponding path program 1 times [2024-09-22 14:33:11,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:11,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619056012] [2024-09-22 14:33:11,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:33:11,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:11,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:11,642 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:11,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-09-22 14:33:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:33:11,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-22 14:33:11,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-09-22 14:33:11,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-22 14:33:11,769 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:11,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619056012] [2024-09-22 14:33:11,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619056012] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-22 14:33:11,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-22 14:33:11,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-22 14:33:11,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042290019] [2024-09-22 14:33:11,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-22 14:33:11,771 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-22 14:33:11,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:11,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-22 14:33:11,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-22 14:33:11,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:11,772 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:11,772 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2024-09-22 14:33:11,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:11,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:11,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:11,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-09-22 14:33:12,071 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:12,071 INFO L399 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)] === [2024-09-22 14:33:12,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:12,072 INFO L85 PathProgramCache]: Analyzing trace with hash -642159687, now seen corresponding path program 1 times [2024-09-22 14:33:12,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:12,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234855894] [2024-09-22 14:33:12,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-22 14:33:12,073 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:12,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:12,081 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:12,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-09-22 14:33:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:33:12,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-22 14:33:12,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:13,012 INFO L173 IndexEqualityManager]: detected equality via solver [2024-09-22 14:33:13,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 14:33:13,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 39 [2024-09-22 14:33:13,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:13,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:33:13,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-09-22 14:33:13,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 213 treesize of output 113 [2024-09-22 14:33:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:35,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:35,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234855894] [2024-09-22 14:33:35,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234855894] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:33:35,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:33:35,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 16 [2024-09-22 14:33:35,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845973359] [2024-09-22 14:33:35,587 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:33:35,587 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-22 14:33:35,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:35,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-22 14:33:35,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=211, Unknown=1, NotChecked=0, Total=272 [2024-09-22 14:33:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:35,589 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:35,589 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 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) [2024-09-22 14:33:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:35,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:35,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:35,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:40,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:40,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:40,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:40,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-09-22 14:33:40,229 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:40,229 INFO L399 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)] === [2024-09-22 14:33:40,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:40,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1353795538, now seen corresponding path program 2 times [2024-09-22 14:33:40,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:40,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586456256] [2024-09-22 14:33:40,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 14:33:40,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:40,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:40,232 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:40,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-09-22 14:33:40,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 14:33:40,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:33:40,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-22 14:33:40,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:40,708 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:33:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:41,032 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:41,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586456256] [2024-09-22 14:33:41,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586456256] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:33:41,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:33:41,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-09-22 14:33:41,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463508537] [2024-09-22 14:33:41,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:33:41,033 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-22 14:33:41,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:41,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-22 14:33:41,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-09-22 14:33:41,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:41,034 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:41,035 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.142857142857143) internal successors, (44), 13 states have internal predecessors, (44), 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) [2024-09-22 14:33:41,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:41,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:41,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:41,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:41,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:41,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:41,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:41,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-09-22 14:33:41,784 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:41,785 INFO L399 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)] === [2024-09-22 14:33:41,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:41,785 INFO L85 PathProgramCache]: Analyzing trace with hash -2048700237, now seen corresponding path program 3 times [2024-09-22 14:33:41,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:41,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79629865] [2024-09-22 14:33:41,786 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 14:33:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:41,787 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:41,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-09-22 14:33:41,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-22 14:33:41,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:33:41,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-22 14:33:41,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:42,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:33:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:42,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:42,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79629865] [2024-09-22 14:33:42,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79629865] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:33:42,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:33:42,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-09-22 14:33:42,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587323943] [2024-09-22 14:33:42,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:33:42,963 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-22 14:33:42,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:42,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-22 14:33:42,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-09-22 14:33:42,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:42,964 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:42,965 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 17 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-22 14:33:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:42,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:43,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:43,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:33:43,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-09-22 14:33:43,901 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:43,902 INFO L399 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)] === [2024-09-22 14:33:43,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:43,903 INFO L85 PathProgramCache]: Analyzing trace with hash 287893570, now seen corresponding path program 4 times [2024-09-22 14:33:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:43,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435350111] [2024-09-22 14:33:43,905 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 14:33:43,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:43,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:43,909 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:43,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-09-22 14:33:44,055 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 14:33:44,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:33:44,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-22 14:33:44,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:45,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:33:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:47,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:47,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435350111] [2024-09-22 14:33:47,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435350111] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:33:47,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:33:47,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2024-09-22 14:33:47,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248741322] [2024-09-22 14:33:47,375 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:33:47,376 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-09-22 14:33:47,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:47,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-09-22 14:33:47,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2024-09-22 14:33:47,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:47,378 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:47,378 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.206896551724138) internal successors, (64), 28 states have internal predecessors, (64), 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) [2024-09-22 14:33:47,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:47,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:33:47,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:33:53,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:33:53,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-09-22 14:33:53,785 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:53,785 INFO L399 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)] === [2024-09-22 14:33:53,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:53,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1527296572, now seen corresponding path program 5 times [2024-09-22 14:33:53,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:53,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543046402] [2024-09-22 14:33:53,786 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 14:33:53,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:53,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:53,790 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:53,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-09-22 14:33:54,173 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-09-22 14:33:54,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:33:54,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-09-22 14:33:54,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:33:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 4 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:55,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:33:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 4 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:33:57,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:33:57,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543046402] [2024-09-22 14:33:57,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543046402] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:33:57,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:33:57,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2024-09-22 14:33:57,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435901113] [2024-09-22 14:33:57,086 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:33:57,086 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-09-22 14:33:57,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:33:57,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-09-22 14:33:57,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2024-09-22 14:33:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:57,089 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:33:57,089 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 2.3333333333333335) internal successors, (84), 35 states have internal predecessors, (84), 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) [2024-09-22 14:33:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:33:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:33:57,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:33:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:33:59,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:33:59,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2024-09-22 14:33:59,641 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:59,641 INFO L399 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)] === [2024-09-22 14:33:59,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:33:59,642 INFO L85 PathProgramCache]: Analyzing trace with hash 576688193, now seen corresponding path program 6 times [2024-09-22 14:33:59,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:33:59,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753460] [2024-09-22 14:33:59,643 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 14:33:59,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:33:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:33:59,645 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:33:59,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-09-22 14:34:00,056 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-09-22 14:34:00,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:34:00,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-09-22 14:34:00,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:34:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 5 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:01,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:34:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 5 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:03,380 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:34:03,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753460] [2024-09-22 14:34:03,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753460] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:34:03,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:34:03,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 39 [2024-09-22 14:34:03,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067022181] [2024-09-22 14:34:03,380 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:34:03,381 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-09-22 14:34:03,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:34:03,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-09-22 14:34:03,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=1219, Unknown=0, NotChecked=0, Total=1560 [2024-09-22 14:34:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:03,383 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:34:03,383 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.35) internal successors, (94), 39 states have internal predecessors, (94), 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) [2024-09-22 14:34:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:03,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:03,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:06,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:06,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-09-22 14:34:06,424 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:06,424 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:34:06,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:34:06,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1258194000, now seen corresponding path program 7 times [2024-09-22 14:34:06,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:34:06,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [542301384] [2024-09-22 14:34:06,425 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 14:34:06,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:06,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:34:06,429 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:34:06,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-09-22 14:34:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:34:06,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-09-22 14:34:06,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:34:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 6 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:07,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:34:10,622 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 6 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:10,622 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:34:10,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [542301384] [2024-09-22 14:34:10,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [542301384] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:34:10,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:34:10,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 43 [2024-09-22 14:34:10,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471980876] [2024-09-22 14:34:10,622 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:34:10,623 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-09-22 14:34:10,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:34:10,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-09-22 14:34:10,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1520, Unknown=0, NotChecked=0, Total=1892 [2024-09-22 14:34:10,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:10,625 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:34:10,625 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.3636363636363638) internal successors, (104), 43 states have internal predecessors, (104), 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) [2024-09-22 14:34:10,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:10,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:10,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:10,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:10,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:10,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:13,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:13,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:13,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:13,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-09-22 14:34:14,043 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:14,043 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:34:14,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:34:14,044 INFO L85 PathProgramCache]: Analyzing trace with hash -686358891, now seen corresponding path program 8 times [2024-09-22 14:34:14,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:34:14,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634271590] [2024-09-22 14:34:14,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 14:34:14,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:34:14,045 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:34:14,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-09-22 14:34:14,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 14:34:14,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:34:14,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-22 14:34:14,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:34:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 7 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:15,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:34:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 7 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:18,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:34:18,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634271590] [2024-09-22 14:34:18,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634271590] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:34:18,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:34:18,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-09-22 14:34:18,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326662563] [2024-09-22 14:34:18,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:34:18,729 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-09-22 14:34:18,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:34:18,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-09-22 14:34:18,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=1835, Unknown=0, NotChecked=0, Total=2256 [2024-09-22 14:34:18,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:18,731 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:34:18,731 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.375) internal successors, (114), 47 states have internal predecessors, (114), 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) [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:18,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:18,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:22,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:34:22,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-09-22 14:34:22,813 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:22,813 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:34:22,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:34:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1087359588, now seen corresponding path program 9 times [2024-09-22 14:34:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:34:22,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635499610] [2024-09-22 14:34:22,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 14:34:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:34:22,815 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:34:22,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-09-22 14:34:25,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-09-22 14:34:25,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:34:25,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-09-22 14:34:25,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:34:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 8 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:27,247 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:34:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:34:34,732 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:34:34,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635499610] [2024-09-22 14:34:34,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635499610] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:34:34,732 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:34:34,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 30] total 57 [2024-09-22 14:34:34,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446657832] [2024-09-22 14:34:34,732 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:34:34,733 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-09-22 14:34:34,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:34:34,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-09-22 14:34:34,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=2630, Unknown=0, NotChecked=0, Total=3306 [2024-09-22 14:34:34,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:34,735 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:34:34,735 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.189655172413793) internal successors, (127), 57 states have internal predecessors, (127), 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) [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:34,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:34,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:34,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:34,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:34,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:34:34,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:34:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:34:51,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-09-22 14:34:51,501 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:51,501 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:34:51,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:34:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash -535952244, now seen corresponding path program 10 times [2024-09-22 14:34:51,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:34:51,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566846149] [2024-09-22 14:34:51,502 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 14:34:51,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:34:51,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:34:51,503 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:34:51,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-09-22 14:34:51,851 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 14:34:51,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:34:51,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-22 14:34:51,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:34:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 32 proven. 240 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:34:53,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:34:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 32 proven. 240 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-22 14:34:58,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:34:58,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566846149] [2024-09-22 14:34:58,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566846149] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:34:58,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:34:58,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 53 [2024-09-22 14:34:58,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918228725] [2024-09-22 14:34:58,302 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:34:58,302 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-09-22 14:34:58,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:34:58,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-09-22 14:34:58,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=2290, Unknown=0, NotChecked=0, Total=2862 [2024-09-22 14:34:58,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:34:58,304 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:34:58,304 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.388888888888889) internal successors, (129), 53 states have internal predecessors, (129), 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) [2024-09-22 14:34:58,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:58,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:34:58,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:34:58,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:34:58,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:02,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:02,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-09-22 14:35:02,973 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:02,973 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:35:02,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:35:02,974 INFO L85 PathProgramCache]: Analyzing trace with hash -549398370, now seen corresponding path program 11 times [2024-09-22 14:35:02,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:35:02,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641992497] [2024-09-22 14:35:02,974 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 14:35:02,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:02,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:35:02,977 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:35:02,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-09-22 14:35:04,318 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-09-22 14:35:04,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:35:04,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-22 14:35:04,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:35:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 9 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:06,396 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:35:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 9 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:11,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:35:11,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641992497] [2024-09-22 14:35:11,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641992497] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:35:11,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:35:11,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 57 [2024-09-22 14:35:11,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978031067] [2024-09-22 14:35:11,085 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:35:11,085 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-09-22 14:35:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:35:11,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-09-22 14:35:11,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=2678, Unknown=0, NotChecked=0, Total=3306 [2024-09-22 14:35:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:11,087 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:35:11,087 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.3448275862068964) internal successors, (136), 57 states have internal predecessors, (136), 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) [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:11,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:11,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:16,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:16,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:35:16,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2024-09-22 14:35:16,811 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:16,812 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:35:16,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:35:16,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2071181853, now seen corresponding path program 12 times [2024-09-22 14:35:16,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:35:16,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764205334] [2024-09-22 14:35:16,812 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 14:35:16,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:16,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:35:16,814 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:35:16,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-09-22 14:35:18,225 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-09-22 14:35:18,226 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:35:18,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-09-22 14:35:18,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:35:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 10 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:20,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:35:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 10 proven. 343 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:25,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:35:25,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764205334] [2024-09-22 14:35:25,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764205334] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:35:25,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:35:25,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 61 [2024-09-22 14:35:25,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185957465] [2024-09-22 14:35:25,465 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:35:25,466 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-09-22 14:35:25,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:35:25,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-09-22 14:35:25,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=3040, Unknown=0, NotChecked=0, Total=3782 [2024-09-22 14:35:25,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:25,467 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:35:25,467 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.3548387096774195) internal successors, (146), 61 states have internal predecessors, (146), 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) [2024-09-22 14:35:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:25,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:35:25,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:31,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:35:31,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:35:31,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-09-22 14:35:31,809 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:31,809 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:35:31,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:35:31,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1678692174, now seen corresponding path program 13 times [2024-09-22 14:35:31,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:35:31,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25807818] [2024-09-22 14:35:31,810 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 14:35:31,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:31,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:35:31,811 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:35:31,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-09-22 14:35:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:35:32,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-09-22 14:35:32,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:35:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 11 proven. 402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:34,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:35:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 11 proven. 402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:40,029 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:35:40,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25807818] [2024-09-22 14:35:40,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25807818] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:35:40,029 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:35:40,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 65 [2024-09-22 14:35:40,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400654755] [2024-09-22 14:35:40,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:35:40,030 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-09-22 14:35:40,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:35:40,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-09-22 14:35:40,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=806, Invalid=3484, Unknown=0, NotChecked=0, Total=4290 [2024-09-22 14:35:40,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:40,032 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:35:40,032 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.3636363636363638) internal successors, (156), 65 states have internal predecessors, (156), 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) [2024-09-22 14:35:40,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:40,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:40,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:40,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:40,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:35:40,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:46,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:35:46,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:35:46,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:35:46,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-09-22 14:35:47,130 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:47,130 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:35:47,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:35:47,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1467749833, now seen corresponding path program 14 times [2024-09-22 14:35:47,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:35:47,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1037798299] [2024-09-22 14:35:47,131 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 14:35:47,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:35:47,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:35:47,132 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:35:47,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-09-22 14:35:47,550 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 14:35:47,550 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:35:47,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-09-22 14:35:47,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:35:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 12 proven. 466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:50,308 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:35:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 12 proven. 466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:35:56,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:35:56,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1037798299] [2024-09-22 14:35:56,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1037798299] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:35:56,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:35:56,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35] total 69 [2024-09-22 14:35:56,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640124835] [2024-09-22 14:35:56,445 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:35:56,446 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-09-22 14:35:56,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:35:56,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-09-22 14:35:56,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=3959, Unknown=0, NotChecked=0, Total=4830 [2024-09-22 14:35:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:35:56,447 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:35:56,448 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 2.3714285714285714) internal successors, (166), 69 states have internal predecessors, (166), 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) [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:35:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:35:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:36:04,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:36:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:36:04,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:36:04,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2024-09-22 14:36:04,611 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:36:04,612 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:36:04,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:36:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1118633158, now seen corresponding path program 15 times [2024-09-22 14:36:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:36:04,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53444173] [2024-09-22 14:36:04,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 14:36:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:36:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:36:04,614 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:36:04,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-09-22 14:36:07,348 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-09-22 14:36:07,348 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:36:07,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-09-22 14:36:07,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:36:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 13 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:36:10,234 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:36:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 13 proven. 535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:36:17,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:36:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53444173] [2024-09-22 14:36:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53444173] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:36:17,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:36:17,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 73 [2024-09-22 14:36:17,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029338969] [2024-09-22 14:36:17,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:36:17,275 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-09-22 14:36:17,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:36:17,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-09-22 14:36:17,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=4393, Unknown=0, NotChecked=0, Total=5402 [2024-09-22 14:36:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:36:17,277 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:36:17,278 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.3783783783783785) internal successors, (176), 73 states have internal predecessors, (176), 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) [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:36:17,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:36:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:36:17,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:36:27,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:36:27,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:36:27,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:36:27,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-09-22 14:36:27,286 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:36:27,287 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:36:27,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:36:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1275186549, now seen corresponding path program 16 times [2024-09-22 14:36:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:36:27,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444150109] [2024-09-22 14:36:27,288 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-22 14:36:27,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:36:27,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:36:27,289 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:36:27,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-09-22 14:36:27,784 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-22 14:36:27,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:36:27,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-09-22 14:36:27,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:36:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 14 proven. 609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:36:31,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:36:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 14 proven. 609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:36:39,218 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:36:39,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444150109] [2024-09-22 14:36:39,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444150109] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:36:39,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:36:39,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 77 [2024-09-22 14:36:39,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593760775] [2024-09-22 14:36:39,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:36:39,219 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-09-22 14:36:39,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:36:39,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-09-22 14:36:39,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1029, Invalid=4977, Unknown=0, NotChecked=0, Total=6006 [2024-09-22 14:36:39,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:36:39,221 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:36:39,221 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.3846153846153846) internal successors, (186), 77 states have internal predecessors, (186), 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) [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:36:39,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:36:39,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:36:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:36:49,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:36:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:36:49,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-09-22 14:36:50,053 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:36:50,054 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:36:50,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:36:50,054 INFO L85 PathProgramCache]: Analyzing trace with hash 568736986, now seen corresponding path program 17 times [2024-09-22 14:36:50,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:36:50,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115617201] [2024-09-22 14:36:50,055 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-22 14:36:50,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:36:50,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:36:50,056 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:36:50,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-09-22 14:36:55,330 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-09-22 14:36:55,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:36:55,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-09-22 14:36:55,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:37:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 15 proven. 688 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:37:04,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:37:33,242 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-22 14:37:33,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:37:33,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115617201] [2024-09-22 14:37:33,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115617201] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:37:33,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:37:33,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 61] total 119 [2024-09-22 14:37:33,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497500474] [2024-09-22 14:37:33,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:37:33,243 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2024-09-22 14:37:33,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:37:33,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2024-09-22 14:37:33,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2521, Invalid=11759, Unknown=0, NotChecked=0, Total=14280 [2024-09-22 14:37:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:37:33,248 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:37:33,248 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 1.6583333333333334) internal successors, (199), 119 states have internal predecessors, (199), 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) [2024-09-22 14:37:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:37:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:37:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:37:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:37:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:37:33,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:37:33,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:37:33,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:37:33,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:37:33,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:39:49,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:39:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:39:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:39:49,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:39:49,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:39:49,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-09-22 14:39:49,954 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:39:49,954 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:39:49,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:39:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1903633633, now seen corresponding path program 18 times [2024-09-22 14:39:49,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:39:49,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114260557] [2024-09-22 14:39:49,955 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-22 14:39:49,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:39:49,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:39:49,956 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:39:49,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-09-22 14:39:55,158 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2024-09-22 14:39:55,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:39:55,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-09-22 14:39:55,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:40:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 46 proven. 450 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-09-22 14:40:01,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:40:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1577 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2024-09-22 14:40:21,850 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:40:21,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114260557] [2024-09-22 14:40:21,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114260557] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:40:21,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:40:21,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 48] total 92 [2024-09-22 14:40:21,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061096390] [2024-09-22 14:40:21,851 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:40:21,851 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-09-22 14:40:21,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:40:21,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-09-22 14:40:21,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1527, Invalid=6845, Unknown=0, NotChecked=0, Total=8372 [2024-09-22 14:40:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:40:21,853 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:40:21,854 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 1.7717391304347827) internal successors, (163), 92 states have internal predecessors, (163), 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) [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:40:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:40:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:40:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:41:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:41:23,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:41:23,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-09-22 14:41:23,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2024-09-22 14:41:23,356 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:41:23,357 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:41:23,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:41:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash 2098376276, now seen corresponding path program 19 times [2024-09-22 14:41:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:41:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119692191] [2024-09-22 14:41:23,358 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-22 14:41:23,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:41:23,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:41:23,359 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:41:23,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-09-22 14:41:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-22 14:41:24,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-09-22 14:41:24,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:41:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 112 proven. 1577 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-22 14:41:31,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:41:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1694 backedges. 112 proven. 1577 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-22 14:41:55,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:41:55,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119692191] [2024-09-22 14:41:55,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119692191] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:41:55,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:41:55,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 131 [2024-09-22 14:41:55,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816959523] [2024-09-22 14:41:55,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:41:55,040 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-09-22 14:41:55,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:41:55,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-09-22 14:41:55,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3103, Invalid=14189, Unknown=0, NotChecked=0, Total=17292 [2024-09-22 14:41:55,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:41:55,042 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:41:55,042 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 1.9318181818181819) internal successors, (255), 131 states have internal predecessors, (255), 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) [2024-09-22 14:41:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:41:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:41:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:41:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:41:55,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-09-22 14:41:55,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:42:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:42:27,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-09-22 14:42:27,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-09-22 14:42:27,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-09-22 14:42:27,510 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:42:27,510 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:42:27,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:42:27,511 INFO L85 PathProgramCache]: Analyzing trace with hash 171474201, now seen corresponding path program 20 times [2024-09-22 14:42:27,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:42:27,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900663864] [2024-09-22 14:42:27,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-22 14:42:27,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:42:27,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:42:27,513 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:42:27,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-09-22 14:42:28,223 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-22 14:42:28,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:42:28,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-09-22 14:42:28,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:42:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 119 proven. 1689 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-22 14:42:35,775 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-22 14:42:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1813 backedges. 119 proven. 1689 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-09-22 14:42:58,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-09-22 14:42:58,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900663864] [2024-09-22 14:42:58,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900663864] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-22 14:42:58,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-22 14:42:58,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 68] total 135 [2024-09-22 14:42:58,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156388029] [2024-09-22 14:42:58,286 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-22 14:42:58,287 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-09-22 14:42:58,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-09-22 14:42:58,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-09-22 14:42:58,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3258, Invalid=15102, Unknown=0, NotChecked=0, Total=18360 [2024-09-22 14:42:58,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:42:58,289 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-22 14:42:58,289 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 1.9485294117647058) internal successors, (265), 135 states have internal predecessors, (265), 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) [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:42:58,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-09-22 14:42:58,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-22 14:43:31,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-09-22 14:43:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-09-22 14:43:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-09-22 14:43:31,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2024-09-22 14:43:31,663 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:43:31,663 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-09-22 14:43:31,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-22 14:43:31,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1029326488, now seen corresponding path program 21 times [2024-09-22 14:43:31,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-09-22 14:43:31,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357216850] [2024-09-22 14:43:31,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-22 14:43:31,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-09-22 14:43:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-09-22 14:43:31,666 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-09-22 14:43:31,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-09-22 14:43:49,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2024-09-22 14:43:49,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-22 14:43:49,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-09-22 14:43:49,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-22 14:44:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 149 proven. 1044 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2024-09-22 14:44:01,957 INFO L327 TraceCheckSpWp]: Computing backward predicates... Killed by 15