./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.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 fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 01:43:16,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 01:43:17,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-13 01:43:17,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 01:43:17,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 01:43:17,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 01:43:17,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 01:43:17,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 01:43:17,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 01:43:17,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 01:43:17,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 01:43:17,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 01:43:17,105 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 01:43:17,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 01:43:17,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 01:43:17,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 01:43:17,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 01:43:17,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 01:43:17,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 01:43:17,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 01:43:17,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 01:43:17,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 01:43:17,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 01:43:17,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 01:43:17,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 01:43:17,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 01:43:17,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 01:43:17,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 01:43:17,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 01:43:17,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 01:43:17,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 01:43:17,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 01:43:17,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 01:43:17,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 01:43:17,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 01:43:17,114 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 01:43:17,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 01:43:17,114 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 01:43:17,114 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 01:43:17,115 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 01:43:17,115 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 01:43:17,118 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdebcc32a5907a5601109dc3fb4ac7750aa88ce6953c83cffe48f47befc15286 [2024-11-13 01:43:17,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 01:43:17,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 01:43:17,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 01:43:17,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 01:43:17,402 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 01:43:17,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-11-13 01:43:18,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 01:43:18,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 01:43:18,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c [2024-11-13 01:43:19,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edb5b9f72/e710a3cd261b4fbfa7218af6d8742e01/FLAG84018a6d5 [2024-11-13 01:43:19,027 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edb5b9f72/e710a3cd261b4fbfa7218af6d8742e01 [2024-11-13 01:43:19,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 01:43:19,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 01:43:19,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 01:43:19,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 01:43:19,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 01:43:19,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d31665c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19, skipping insertion in model container [2024-11-13 01:43:19,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 01:43:19,316 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c[4345,4358] [2024-11-13 01:43:19,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 01:43:19,343 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 01:43:19,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt3.wvr.c[4345,4358] [2024-11-13 01:43:19,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 01:43:19,396 INFO L204 MainTranslator]: Completed translation [2024-11-13 01:43:19,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19 WrapperNode [2024-11-13 01:43:19,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 01:43:19,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 01:43:19,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 01:43:19,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 01:43:19,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,445 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 311 [2024-11-13 01:43:19,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 01:43:19,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 01:43:19,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 01:43:19,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 01:43:19,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 01:43:19,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 01:43:19,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 01:43:19,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 01:43:19,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (1/1) ... [2024-11-13 01:43:19,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 01:43:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:19,531 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) [2024-11-13 01:43:19,535 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 [2024-11-13 01:43:19,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 01:43:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 01:43:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 01:43:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 01:43:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 01:43:19,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 01:43:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 01:43:19,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-13 01:43:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-13 01:43:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 01:43:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 01:43:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 01:43:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 01:43:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 01:43:19,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 01:43:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 01:43:19,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 01:43:19,596 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 01:43:19,737 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 01:43:19,739 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 01:43:20,217 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 01:43:20,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 01:43:20,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 01:43:20,728 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 01:43:20,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:20 BoogieIcfgContainer [2024-11-13 01:43:20,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 01:43:20,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 01:43:20,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 01:43:20,735 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 01:43:20,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:43:19" (1/3) ... [2024-11-13 01:43:20,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7808c4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:20, skipping insertion in model container [2024-11-13 01:43:20,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:19" (2/3) ... [2024-11-13 01:43:20,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7808c4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:43:20, skipping insertion in model container [2024-11-13 01:43:20,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:43:20" (3/3) ... [2024-11-13 01:43:20,743 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt3.wvr.c [2024-11-13 01:43:20,761 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 01:43:20,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-13 01:43:20,762 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 01:43:20,851 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-13 01:43:20,913 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 01:43:20,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 01:43:20,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:20,915 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) [2024-11-13 01:43:20,917 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 [2024-11-13 01:43:20,943 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 01:43:20,956 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 01:43:20,964 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ffdf2eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 01:43:20,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 01:43:23,131 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:23,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:23,138 INFO L85 PathProgramCache]: Analyzing trace with hash -724750228, now seen corresponding path program 1 times [2024-11-13 01:43:23,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:23,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032125855] [2024-11-13 01:43:23,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:23,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2024-11-13 01:43:24,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:24,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032125855] [2024-11-13 01:43:24,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032125855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 01:43:24,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 01:43:24,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 01:43:24,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667959972] [2024-11-13 01:43:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 01:43:24,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 01:43:24,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:24,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 01:43:24,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 01:43:24,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:24,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:24,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 01:43:24,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:24,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 01:43:24,546 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:24,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:24,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1969365648, now seen corresponding path program 1 times [2024-11-13 01:43:24,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:24,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394376553] [2024-11-13 01:43:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-11-13 01:43:25,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:25,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394376553] [2024-11-13 01:43:25,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394376553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 01:43:25,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 01:43:25,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 01:43:25,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078501117] [2024-11-13 01:43:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 01:43:25,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 01:43:25,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:25,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 01:43:25,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 01:43:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:25,278 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:25,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-13 01:43:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:25,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 01:43:25,393 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:25,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:25,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1447761661, now seen corresponding path program 1 times [2024-11-13 01:43:25,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:25,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441377095] [2024-11-13 01:43:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:25,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 116 proven. 105 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-11-13 01:43:26,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:26,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441377095] [2024-11-13 01:43:26,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441377095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:26,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662653118] [2024-11-13 01:43:26,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:26,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:26,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:26,229 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) [2024-11-13 01:43:26,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 01:43:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:26,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 01:43:26,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 181 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-13 01:43:26,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 171 proven. 11 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-13 01:43:26,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662653118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:26,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:26,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-13 01:43:26,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035208096] [2024-11-13 01:43:26,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:26,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 01:43:26,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:26,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 01:43:26,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-13 01:43:26,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:26,873 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:26,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 13 states have internal predecessors, (132), 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) [2024-11-13 01:43:26,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:26,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:26,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:27,178 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 01:43:27,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-13 01:43:27,360 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:27,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:27,361 INFO L85 PathProgramCache]: Analyzing trace with hash 347675724, now seen corresponding path program 2 times [2024-11-13 01:43:27,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:27,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499860991] [2024-11-13 01:43:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:28,075 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 129 proven. 168 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-11-13 01:43:28,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499860991] [2024-11-13 01:43:28,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499860991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:28,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092592209] [2024-11-13 01:43:28,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 01:43:28,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:28,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:28,079 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) [2024-11-13 01:43:28,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 01:43:28,320 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 01:43:28,320 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:28,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 01:43:28,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:28,604 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 301 proven. 3 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-11-13 01:43:28,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 264 proven. 40 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-11-13 01:43:28,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092592209] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:28,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:28,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 19 [2024-11-13 01:43:28,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622935060] [2024-11-13 01:43:28,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:28,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 01:43:28,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:28,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 01:43:28,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-13 01:43:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:28,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:28,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.0) internal successors, (171), 19 states have internal predecessors, (171), 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) [2024-11-13 01:43:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:28,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:28,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:29,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:29,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 01:43:29,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:29,311 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:29,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:29,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1017255133, now seen corresponding path program 3 times [2024-11-13 01:43:29,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:29,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398370369] [2024-11-13 01:43:29,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:29,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 135 proven. 197 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2024-11-13 01:43:30,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:30,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398370369] [2024-11-13 01:43:30,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398370369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972516312] [2024-11-13 01:43:30,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 01:43:30,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:30,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:30,143 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:30,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 01:43:30,346 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 01:43:30,346 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:30,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 01:43:30,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2024-11-13 01:43:30,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 80 proven. 1 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-13 01:43:31,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972516312] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:31,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:31,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 7] total 24 [2024-11-13 01:43:31,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182786152] [2024-11-13 01:43:31,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:31,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 01:43:31,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:31,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 01:43:31,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2024-11-13 01:43:31,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:31,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:31,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.083333333333333) internal successors, (170), 24 states have internal predecessors, (170), 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) [2024-11-13 01:43:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:31,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:32,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:32,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:32,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 01:43:32,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:32,780 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:32,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:32,781 INFO L85 PathProgramCache]: Analyzing trace with hash 824887239, now seen corresponding path program 4 times [2024-11-13 01:43:32,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:32,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152906564] [2024-11-13 01:43:32,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:32,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 229 proven. 536 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-13 01:43:33,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:33,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152906564] [2024-11-13 01:43:33,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152906564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:33,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962961551] [2024-11-13 01:43:33,813 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 01:43:33,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:33,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:33,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:33,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 01:43:34,104 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 01:43:34,105 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:34,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 01:43:34,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:36,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 921 proven. 11 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-13 01:43:36,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:37,377 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-13 01:43:37,377 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 20 treesize of output 4 [2024-11-13 01:43:37,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 853 proven. 79 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-13 01:43:37,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962961551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:37,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:37,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 36 [2024-11-13 01:43:37,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258220199] [2024-11-13 01:43:37,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:37,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-13 01:43:37,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:37,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-13 01:43:37,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1023, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 01:43:37,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:37,562 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:37,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 8.63888888888889) internal successors, (311), 36 states have internal predecessors, (311), 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) [2024-11-13 01:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:37,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:37,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:37,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:37,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:37,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:37,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 01:43:38,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 01:43:38,175 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:38,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:38,176 INFO L85 PathProgramCache]: Analyzing trace with hash -67302214, now seen corresponding path program 5 times [2024-11-13 01:43:38,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:38,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491074685] [2024-11-13 01:43:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:38,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 302 proven. 550 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-13 01:43:39,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:39,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491074685] [2024-11-13 01:43:39,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491074685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:39,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600844581] [2024-11-13 01:43:39,369 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 01:43:39,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:39,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:39,374 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:39,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 01:43:39,744 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-13 01:43:39,744 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:39,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 01:43:39,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:40,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 664 proven. 352 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-13 01:43:40,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 757 proven. 51 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-13 01:43:40,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600844581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:40,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:40,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 7] total 36 [2024-11-13 01:43:40,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944271032] [2024-11-13 01:43:40,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:40,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-13 01:43:40,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-13 01:43:40,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1050, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 01:43:40,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:40,569 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:40,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.972222222222222) internal successors, (287), 36 states have internal predecessors, (287), 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) [2024-11-13 01:43:40,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:40,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:40,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:40,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:40,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:40,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:40,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:44,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:44,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 01:43:44,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:44,683 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:44,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:44,683 INFO L85 PathProgramCache]: Analyzing trace with hash -890108783, now seen corresponding path program 6 times [2024-11-13 01:43:44,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:44,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65741484] [2024-11-13 01:43:44,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:44,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3372 backedges. 688 proven. 861 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked. [2024-11-13 01:43:46,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65741484] [2024-11-13 01:43:46,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65741484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:46,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947912038] [2024-11-13 01:43:46,666 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 01:43:46,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:46,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:46,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:46,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 01:43:46,975 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-11-13 01:43:46,975 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:46,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 01:43:46,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3372 backedges. 179 proven. 128 refuted. 0 times theorem prover too weak. 3065 trivial. 0 not checked. [2024-11-13 01:43:47,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3372 backedges. 286 proven. 1 refuted. 0 times theorem prover too weak. 3085 trivial. 0 not checked. [2024-11-13 01:43:47,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947912038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:47,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:47,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8, 5] total 26 [2024-11-13 01:43:47,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891625284] [2024-11-13 01:43:47,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:47,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 01:43:47,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:47,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 01:43:47,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2024-11-13 01:43:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:47,649 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:47,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.615384615384615) internal successors, (198), 26 states have internal predecessors, (198), 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) [2024-11-13 01:43:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:47,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:47,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:47,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:47,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:47,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:48,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:48,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:43:48,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 01:43:48,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-13 01:43:48,830 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:48,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1122229848, now seen corresponding path program 7 times [2024-11-13 01:43:48,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:48,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330025988] [2024-11-13 01:43:48,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:48,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3205 backedges. 550 proven. 921 refuted. 0 times theorem prover too weak. 1734 trivial. 0 not checked. [2024-11-13 01:43:50,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:50,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330025988] [2024-11-13 01:43:50,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330025988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:50,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120519792] [2024-11-13 01:43:50,798 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 01:43:50,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:50,800 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:50,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 01:43:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:51,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 01:43:51,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3205 backedges. 1813 proven. 28 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2024-11-13 01:43:51,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:52,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3205 backedges. 1644 proven. 197 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2024-11-13 01:43:52,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120519792] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:52,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:52,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 48 [2024-11-13 01:43:52,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72878649] [2024-11-13 01:43:52,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:52,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-13 01:43:52,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:52,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-13 01:43:52,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=497, Invalid=1759, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 01:43:52,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:52,525 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:52,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 6.833333333333333) internal successors, (328), 48 states have internal predecessors, (328), 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) [2024-11-13 01:43:52,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:43:52,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:52,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:43:52,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:43:52,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 01:43:52,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:52,950 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:52,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:52,951 INFO L85 PathProgramCache]: Analyzing trace with hash 2132971723, now seen corresponding path program 8 times [2024-11-13 01:43:52,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:52,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92181658] [2024-11-13 01:43:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:52,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3213 backedges. 585 proven. 1033 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2024-11-13 01:43:54,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:54,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92181658] [2024-11-13 01:43:54,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92181658] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:54,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463487329] [2024-11-13 01:43:54,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 01:43:54,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:54,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:54,582 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:54,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 01:43:55,003 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 01:43:55,004 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:55,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 1447 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 01:43:55,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3213 backedges. 1927 proven. 28 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2024-11-13 01:43:55,641 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:43:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3213 backedges. 1754 proven. 201 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2024-11-13 01:43:56,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463487329] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:43:56,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:43:56,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 51 [2024-11-13 01:43:56,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298200489] [2024-11-13 01:43:56,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:43:56,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-13 01:43:56,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:43:56,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-13 01:43:56,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=390, Invalid=2160, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 01:43:56,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:56,267 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:43:56,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.2745098039215685) internal successors, (371), 51 states have internal predecessors, (371), 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) [2024-11-13 01:43:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:56,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:43:56,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:43:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:43:56,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:43:56,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:43:56,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 01:43:56,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 01:43:56,776 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:43:56,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:43:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash 864622356, now seen corresponding path program 9 times [2024-11-13 01:43:56,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:43:56,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493611043] [2024-11-13 01:43:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:43:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:43:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:43:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3230 backedges. 653 proven. 1156 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2024-11-13 01:43:58,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:43:58,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493611043] [2024-11-13 01:43:58,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493611043] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:43:58,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948949672] [2024-11-13 01:43:58,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 01:43:58,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:43:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:43:58,341 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:43:58,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 01:43:59,157 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-11-13 01:43:59,157 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:43:59,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 01:43:59,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:43:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3230 backedges. 2045 proven. 276 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2024-11-13 01:43:59,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:44:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3230 backedges. 761 proven. 1560 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2024-11-13 01:44:00,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948949672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:44:00,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:44:00,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20, 20] total 60 [2024-11-13 01:44:00,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432986297] [2024-11-13 01:44:00,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:44:00,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-13 01:44:00,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:44:00,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-13 01:44:00,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=504, Invalid=3036, Unknown=0, NotChecked=0, Total=3540 [2024-11-13 01:44:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:00,902 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:44:00,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 6.666666666666667) internal successors, (400), 60 states have internal predecessors, (400), 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) [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:00,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:00,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:01,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:01,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 01:44:01,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 01:44:01,456 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:44:01,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:44:01,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1159931121, now seen corresponding path program 10 times [2024-11-13 01:44:01,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:44:01,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469202837] [2024-11-13 01:44:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:44:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:44:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:44:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3259 backedges. 681 proven. 1199 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2024-11-13 01:44:03,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:44:03,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469202837] [2024-11-13 01:44:03,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469202837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:44:03,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823380837] [2024-11-13 01:44:03,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 01:44:03,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:44:03,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:44:03,344 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:44:03,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 01:44:03,811 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 01:44:03,811 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:44:03,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 01:44:03,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:44:06,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3259 backedges. 2906 proven. 234 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 01:44:06,017 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:44:06,022 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 12 treesize of output 4 [2024-11-13 01:44:07,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3259 backedges. 2963 proven. 177 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-13 01:44:07,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823380837] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:44:07,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:44:07,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 35, 35] total 92 [2024-11-13 01:44:07,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546640065] [2024-11-13 01:44:07,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:44:07,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-11-13 01:44:07,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:44:07,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-11-13 01:44:07,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1624, Invalid=6748, Unknown=0, NotChecked=0, Total=8372 [2024-11-13 01:44:07,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:07,836 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:44:07,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 7.532608695652174) internal successors, (693), 92 states have internal predecessors, (693), 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) [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:07,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:07,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:07,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:07,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:08,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:08,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:44:08,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 01:44:08,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:44:08,414 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:44:08,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:44:08,415 INFO L85 PathProgramCache]: Analyzing trace with hash 461042584, now seen corresponding path program 11 times [2024-11-13 01:44:08,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:44:08,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564451283] [2024-11-13 01:44:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:44:08,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:44:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:44:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3446 backedges. 720 proven. 1254 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2024-11-13 01:44:10,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:44:10,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564451283] [2024-11-13 01:44:10,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564451283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:44:10,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466221577] [2024-11-13 01:44:10,234 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 01:44:10,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:44:10,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:44:10,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:44:10,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 01:44:34,571 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-11-13 01:44:34,572 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:44:34,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 01:44:34,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:44:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3446 backedges. 2411 proven. 919 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 01:44:36,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:44:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3446 backedges. 2123 proven. 1207 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 01:44:38,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466221577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:44:38,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:44:38,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 46, 46] total 116 [2024-11-13 01:44:38,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977376091] [2024-11-13 01:44:38,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:44:38,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-11-13 01:44:38,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:44:38,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-11-13 01:44:38,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2119, Invalid=11221, Unknown=0, NotChecked=0, Total=13340 [2024-11-13 01:44:38,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:38,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:44:38,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 6.258620689655173) internal successors, (726), 116 states have internal predecessors, (726), 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) [2024-11-13 01:44:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:38,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:38,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:44:38,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:44:39,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:44:39,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 01:44:39,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 01:44:39,677 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:44:39,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:44:39,678 INFO L85 PathProgramCache]: Analyzing trace with hash -77510645, now seen corresponding path program 12 times [2024-11-13 01:44:39,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:44:39,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013414053] [2024-11-13 01:44:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:44:39,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:44:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:44:41,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3503 backedges. 787 proven. 1302 refuted. 0 times theorem prover too weak. 1414 trivial. 0 not checked. [2024-11-13 01:44:41,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:44:41,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013414053] [2024-11-13 01:44:41,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013414053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:44:41,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641309808] [2024-11-13 01:44:41,499 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 01:44:41,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:44:41,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:44:41,501 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:44:41,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 01:44:53,999 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-11-13 01:44:53,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:44:54,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 1567 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 01:44:54,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:44:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3503 backedges. 2134 proven. 78 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2024-11-13 01:44:54,977 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:44:55,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3503 backedges. 810 proven. 1402 refuted. 0 times theorem prover too weak. 1291 trivial. 0 not checked. [2024-11-13 01:44:55,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641309808] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:44:55,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:44:55,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 29] total 81 [2024-11-13 01:44:55,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808566454] [2024-11-13 01:44:55,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:44:55,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-11-13 01:44:55,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:44:55,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-11-13 01:44:55,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1417, Invalid=5063, Unknown=0, NotChecked=0, Total=6480 [2024-11-13 01:44:55,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:55,979 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:44:55,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 5.0) internal successors, (405), 81 states have internal predecessors, (405), 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) [2024-11-13 01:44:55,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:55,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:55,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:44:55,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:44:56,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:56,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:44:56,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:44:56,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:44:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:44:56,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 01:44:56,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 01:44:56,408 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:44:56,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:44:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1501820331, now seen corresponding path program 13 times [2024-11-13 01:44:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:44:56,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973419080] [2024-11-13 01:44:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:44:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:44:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:44:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 955 proven. 1433 refuted. 0 times theorem prover too weak. 1142 trivial. 0 not checked. [2024-11-13 01:44:58,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:44:58,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973419080] [2024-11-13 01:44:58,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973419080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:44:58,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672678923] [2024-11-13 01:44:58,528 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 01:44:58,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:44:58,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:44:58,531 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:44:58,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 01:44:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:44:59,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 1645 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 01:44:59,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:45:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 2678 proven. 105 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2024-11-13 01:45:00,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:45:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3530 backedges. 2418 proven. 365 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2024-11-13 01:45:01,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672678923] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:45:01,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:45:01,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 90 [2024-11-13 01:45:01,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056043531] [2024-11-13 01:45:01,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:45:01,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-11-13 01:45:01,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:45:01,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-11-13 01:45:01,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1666, Invalid=6344, Unknown=0, NotChecked=0, Total=8010 [2024-11-13 01:45:01,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:01,728 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:45:01,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.366666666666666) internal successors, (573), 90 states have internal predecessors, (573), 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) [2024-11-13 01:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:01,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:01,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:02,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:02,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-13 01:45:02,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 01:45:02,232 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:45:02,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:45:02,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1015374808, now seen corresponding path program 14 times [2024-11-13 01:45:02,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:45:02,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143490087] [2024-11-13 01:45:02,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:45:02,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:45:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:45:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 1308 proven. 1054 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2024-11-13 01:45:05,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:45:05,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143490087] [2024-11-13 01:45:05,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143490087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:45:05,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190829116] [2024-11-13 01:45:05,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 01:45:05,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:45:05,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:45:05,976 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:45:05,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 01:45:06,483 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 01:45:06,483 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:45:06,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 01:45:06,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:45:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 2723 proven. 120 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-11-13 01:45:07,759 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:45:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 2476 proven. 367 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2024-11-13 01:45:09,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190829116] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:45:09,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:45:09,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 34, 34] total 82 [2024-11-13 01:45:09,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082865295] [2024-11-13 01:45:09,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:45:09,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-11-13 01:45:09,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:45:09,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-11-13 01:45:09,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1194, Invalid=5448, Unknown=0, NotChecked=0, Total=6642 [2024-11-13 01:45:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:09,160 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:45:09,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.158536585365853) internal successors, (587), 82 states have internal predecessors, (587), 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) [2024-11-13 01:45:09,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:09,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:09,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:09,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:09,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:45:15,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 01:45:15,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 01:45:15,369 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:45:15,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:45:15,369 INFO L85 PathProgramCache]: Analyzing trace with hash 194483503, now seen corresponding path program 15 times [2024-11-13 01:45:15,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:45:15,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670339372] [2024-11-13 01:45:15,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:45:15,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:45:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:45:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3779 backedges. 2867 proven. 748 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-13 01:45:18,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:45:18,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670339372] [2024-11-13 01:45:18,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670339372] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:45:18,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516701035] [2024-11-13 01:45:18,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 01:45:18,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:45:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:45:18,554 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:45:18,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 01:45:36,082 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-13 01:45:36,082 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:45:36,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 01:45:36,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:45:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3779 backedges. 3060 proven. 136 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2024-11-13 01:45:37,868 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:45:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3779 backedges. 1676 proven. 1520 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2024-11-13 01:45:39,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516701035] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:45:39,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:45:39,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 36, 36] total 117 [2024-11-13 01:45:39,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526635700] [2024-11-13 01:45:39,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:45:39,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-11-13 01:45:39,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:45:39,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-11-13 01:45:39,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1851, Invalid=11721, Unknown=0, NotChecked=0, Total=13572 [2024-11-13 01:45:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:39,831 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:45:39,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 6.666666666666667) internal successors, (780), 117 states have internal predecessors, (780), 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) [2024-11-13 01:45:39,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:39,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:39,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:39,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:39,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:39,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:39,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:45:39,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:45:40,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-13 01:45:40,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-13 01:45:41,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 01:45:41,031 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:45:41,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:45:41,031 INFO L85 PathProgramCache]: Analyzing trace with hash 2036693816, now seen corresponding path program 16 times [2024-11-13 01:45:41,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:45:41,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596264275] [2024-11-13 01:45:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:45:41,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:45:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:45:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3820 backedges. 3148 proven. 501 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-13 01:45:44,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:45:44,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596264275] [2024-11-13 01:45:44,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596264275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:45:44,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195102456] [2024-11-13 01:45:44,329 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 01:45:44,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:45:44,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:45:44,331 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:45:44,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 01:45:44,877 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 01:45:44,878 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:45:44,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 1693 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 01:45:44,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:45:47,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3820 backedges. 3349 proven. 300 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-13 01:45:47,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:45:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3820 backedges. 2987 proven. 662 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-11-13 01:45:49,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195102456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:45:49,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:45:49,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 149 [2024-11-13 01:45:49,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62196649] [2024-11-13 01:45:49,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:45:49,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2024-11-13 01:45:49,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:45:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2024-11-13 01:45:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4526, Invalid=17824, Unknown=0, NotChecked=0, Total=22350 [2024-11-13 01:45:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:49,939 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:45:49,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 6.32) internal successors, (948), 149 states have internal predecessors, (948), 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) [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:49,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-13 01:45:49,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:45:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:45:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-13 01:45:51,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-13 01:45:51,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 01:45:51,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 01:45:51,218 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:45:51,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:45:51,219 INFO L85 PathProgramCache]: Analyzing trace with hash -32074916, now seen corresponding path program 17 times [2024-11-13 01:45:51,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:45:51,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728981249] [2024-11-13 01:45:51,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:45:51,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:45:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:45:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3845 backedges. 2245 proven. 6 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2024-11-13 01:45:53,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:45:53,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728981249] [2024-11-13 01:45:53,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728981249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:45:53,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180800384] [2024-11-13 01:45:53,258 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 01:45:53,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:45:53,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:45:53,260 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:45:53,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 01:54:54,032 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-11-13 01:54:54,033 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:54:54,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 1702 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 01:54:54,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:54:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3845 backedges. 2690 proven. 793 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-13 01:54:56,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:54:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3845 backedges. 1157 proven. 2326 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-11-13 01:54:58,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180800384] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:54:58,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:54:58,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 50, 50] total 107 [2024-11-13 01:54:58,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741837611] [2024-11-13 01:54:58,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:54:58,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2024-11-13 01:54:58,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:54:58,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2024-11-13 01:54:58,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2543, Invalid=8799, Unknown=0, NotChecked=0, Total=11342 [2024-11-13 01:54:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:54:58,730 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:54:58,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 7.140186915887851) internal successors, (764), 107 states have internal predecessors, (764), 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) [2024-11-13 01:54:58,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:54:58,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:54:58,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:54:58,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-11-13 01:54:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:55:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:55:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 01:55:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 01:55:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 01:55:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:55:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-11-13 01:55:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-11-13 01:55:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-13 01:55:03,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-13 01:55:03,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:55:03,795 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 01:55:03,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:55:03,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1730028226, now seen corresponding path program 18 times [2024-11-13 01:55:03,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:55:03,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160291552] [2024-11-13 01:55:03,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:55:03,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:55:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:55:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5326 backedges. 1552 proven. 2302 refuted. 0 times theorem prover too weak. 1472 trivial. 0 not checked. [2024-11-13 01:55:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:55:07,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160291552] [2024-11-13 01:55:07,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160291552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:55:07,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576090280] [2024-11-13 01:55:07,618 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 01:55:07,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:55:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:55:07,619 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 01:55:07,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process Killed by 15