./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.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-three-array-sum-alt.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 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 01:52:51,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 01:52:51,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-13 01:52:51,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 01:52:51,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 01:52:51,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 01:52:51,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 01:52:51,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 01:52:51,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 01:52:51,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 01:52:51,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 01:52:51,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 01:52:51,933 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 01:52:51,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 01:52:51,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 01:52:51,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 01:52:51,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 01:52:51,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 01:52:51,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 01:52:51,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 01:52:51,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 01:52:51,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 01:52:51,938 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 01:52:51,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 01:52:51,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 01:52:51,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 01:52:51,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 01:52:51,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 01:52:51,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 01:52:51,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 01:52:51,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 01:52:51,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 01:52:51,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 01:52:51,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 01:52:51,942 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 01:52:51,942 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-13 01:52:51,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 01:52:51,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 01:52:51,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 01:52:51,944 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 01:52:51,944 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 01:52:51,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20832c4ec3f8ccecbcf7cfcec0aecbbc925bfb9e6d8397db46b5825bb40681b3 [2024-11-13 01:52:52,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 01:52:52,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 01:52:52,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 01:52:52,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 01:52:52,259 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 01:52:52,260 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-11-13 01:52:53,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 01:52:53,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 01:52:53,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-11-13 01:52:54,000 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2eaf9197/1bbbd21256474949a32a34be42897b43/FLAG47e1e0c85 [2024-11-13 01:52:54,013 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2eaf9197/1bbbd21256474949a32a34be42897b43 [2024-11-13 01:52:54,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 01:52:54,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 01:52:54,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 01:52:54,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 01:52:54,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 01:52:54,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d95d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54, skipping insertion in model container [2024-11-13 01:52:54,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,055 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 01:52:54,259 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-three-array-sum-alt.wvr.c[2451,2464] [2024-11-13 01:52:54,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 01:52:54,280 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 01:52:54,299 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-three-array-sum-alt.wvr.c[2451,2464] [2024-11-13 01:52:54,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 01:52:54,328 INFO L204 MainTranslator]: Completed translation [2024-11-13 01:52:54,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54 WrapperNode [2024-11-13 01:52:54,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 01:52:54,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 01:52:54,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 01:52:54,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 01:52:54,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,374 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 265 [2024-11-13 01:52:54,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 01:52:54,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 01:52:54,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 01:52:54,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 01:52:54,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,404 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 01:52:54,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 01:52:54,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 01:52:54,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 01:52:54,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (1/1) ... [2024-11-13 01:52:54,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 01:52:54,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:52:54,451 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 01:52:54,453 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 01:52:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 01:52:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 01:52:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 01:52:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 01:52:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 01:52:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 01:52:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 01:52:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 01:52:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 01:52:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 01:52:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 01:52:54,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 01:52:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 01:52:54,496 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 01:52:54,607 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 01:52:54,608 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 01:52:55,074 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 01:52:55,074 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 01:52:55,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 01:52:55,414 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-13 01:52:55,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:55 BoogieIcfgContainer [2024-11-13 01:52:55,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 01:52:55,418 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 01:52:55,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 01:52:55,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 01:52:55,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:52:54" (1/3) ... [2024-11-13 01:52:55,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5303b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:52:55, skipping insertion in model container [2024-11-13 01:52:55,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:52:54" (2/3) ... [2024-11-13 01:52:55,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5303b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:52:55, skipping insertion in model container [2024-11-13 01:52:55,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:52:55" (3/3) ... [2024-11-13 01:52:55,427 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2024-11-13 01:52:55,447 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 01:52:55,448 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-13 01:52:55,448 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 01:52:55,525 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 01:52:55,613 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 01:52:55,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 01:52:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:52:55,617 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 01:52:55,619 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 01:52:55,645 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 01:52:55,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 01:52:55,670 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;@791311a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 01:52:55,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-13 01:52:57,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:52:57,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:52:57,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1270328504, now seen corresponding path program 1 times [2024-11-13 01:52:57,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:52:57,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305502946] [2024-11-13 01:52:57,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:52:57,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:52:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:52:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 01:52:57,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:52:57,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305502946] [2024-11-13 01:52:57,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305502946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 01:52:57,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 01:52:57,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 01:52:57,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745214007] [2024-11-13 01:52:57,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 01:52:57,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 01:52:57,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:52:57,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 01:52:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 01:52:57,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:52:57,679 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:52:57,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 01:52:57,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:52:57,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:52:57,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 01:52:57,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:52:57,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:52:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash -965479059, now seen corresponding path program 1 times [2024-11-13 01:52:57,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:52:57,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469004159] [2024-11-13 01:52:57,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:52:57,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:52:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:52:58,039 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 01:52:58,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:52:58,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469004159] [2024-11-13 01:52:58,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469004159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:52:58,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372409002] [2024-11-13 01:52:58,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:52:58,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:52:58,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:52:58,057 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 01:52:58,059 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 01:52:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:52:58,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 01:52:58,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:52:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 01:52:58,278 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:52:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 01:52:58,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372409002] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 01:52:58,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-13 01:52:58,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 8 [2024-11-13 01:52:58,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197696054] [2024-11-13 01:52:58,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 01:52:58,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 01:52:58,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:52:58,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 01:52:58,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-13 01:52:58,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:52:58,338 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:52:58,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 01:52:58,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:52:58,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:52:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:52:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:52:59,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 01:53:00,104 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,SelfDestructingSolverStorable1 [2024-11-13 01:53:00,105 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:00,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:00,106 INFO L85 PathProgramCache]: Analyzing trace with hash 482793192, now seen corresponding path program 1 times [2024-11-13 01:53:00,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:00,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507103702] [2024-11-13 01:53:00,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 01:53:00,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:00,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507103702] [2024-11-13 01:53:00,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507103702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:00,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395159247] [2024-11-13 01:53:00,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:00,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:00,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:00,374 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 01:53:00,376 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 01:53:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:00,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 01:53:00,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 01:53:00,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 01:53:00,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395159247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:00,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:00,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-13 01:53:00,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642084298] [2024-11-13 01:53:00,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:00,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 01:53:00,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:00,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 01:53:00,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-13 01:53:00,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:00,657 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:00,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.066666666666666) internal successors, (61), 14 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 01:53:00,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:00,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:00,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:00,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:00,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 01:53:00,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:00,985 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:00,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:00,985 INFO L85 PathProgramCache]: Analyzing trace with hash -853775331, now seen corresponding path program 2 times [2024-11-13 01:53:00,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:00,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897145215] [2024-11-13 01:53:00,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:00,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 01:53:01,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897145215] [2024-11-13 01:53:01,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897145215] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:01,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828170210] [2024-11-13 01:53:01,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 01:53:01,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:01,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:01,191 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 01:53:01,193 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 01:53:01,313 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 01:53:01,314 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:53:01,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 01:53:01,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 01:53:01,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 01:53:01,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828170210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:01,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:01,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 17 [2024-11-13 01:53:01,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868832475] [2024-11-13 01:53:01,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:01,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 01:53:01,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:01,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 01:53:01,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-11-13 01:53:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:01,518 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:01,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.823529411764706) internal successors, (65), 17 states have internal predecessors, (65), 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 01:53:01,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:01,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:01,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:01,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:05,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:05,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:05,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 01:53:05,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:05,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:05,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:05,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1502335780, now seen corresponding path program 3 times [2024-11-13 01:53:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:05,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361116653] [2024-11-13 01:53:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:05,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 01:53:06,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:06,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361116653] [2024-11-13 01:53:06,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361116653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:06,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446593846] [2024-11-13 01:53:06,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 01:53:06,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:06,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:06,161 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 01:53:06,162 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 01:53:06,302 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-13 01:53:06,302 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:53:06,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 01:53:06,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:06,489 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 01:53:06,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 01:53:06,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446593846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:06,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:06,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 8, 8] total 33 [2024-11-13 01:53:06,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667273699] [2024-11-13 01:53:06,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:06,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 01:53:06,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:06,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 01:53:06,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=963, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 01:53:06,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:06,660 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:06,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.323529411764706) internal successors, (79), 33 states have internal predecessors, (79), 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 01:53:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:06,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:06,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:06,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:06,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:06,901 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 01:53:07,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:07,089 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:07,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:07,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1247545415, now seen corresponding path program 4 times [2024-11-13 01:53:07,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:07,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152877787] [2024-11-13 01:53:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:07,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 01:53:07,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:07,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152877787] [2024-11-13 01:53:07,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152877787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:07,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841291113] [2024-11-13 01:53:07,450 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 01:53:07,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:07,452 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 01:53:07,453 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 01:53:07,619 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 01:53:07,620 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:53:07,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 01:53:07,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 01:53:07,768 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 01:53:07,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841291113] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:07,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-11-13 01:53:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556246800] [2024-11-13 01:53:07,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:07,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-13 01:53:07,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:07,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-13 01:53:07,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2024-11-13 01:53:07,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:07,928 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:07,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.1481481481481484) internal successors, (85), 26 states have internal predecessors, (85), 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 01:53:07,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:07,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:07,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:07,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:07,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:07,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:08,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:08,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 01:53:08,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:08,311 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:08,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:08,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1499892028, now seen corresponding path program 5 times [2024-11-13 01:53:08,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298385702] [2024-11-13 01:53:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 32 proven. 19 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 01:53:08,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:08,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298385702] [2024-11-13 01:53:08,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298385702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:08,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127048587] [2024-11-13 01:53:08,727 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-13 01:53:08,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:08,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:08,730 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 01:53:08,731 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 01:53:09,414 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-11-13 01:53:09,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:53:09,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 01:53:09,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:09,592 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 01:53:09,592 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 01:53:09,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127048587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:09,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:09,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 7] total 31 [2024-11-13 01:53:09,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072642926] [2024-11-13 01:53:09,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:09,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-13 01:53:09,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:09,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-13 01:53:09,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=786, Unknown=0, NotChecked=0, Total=930 [2024-11-13 01:53:09,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:09,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:09,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 01:53:09,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:09,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:09,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:09,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:09,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:09,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:09,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:12,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:53:12,795 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 01:53:12,979 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,SelfDestructingSolverStorable6 [2024-11-13 01:53:12,980 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:12,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:12,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1594340026, now seen corresponding path program 6 times [2024-11-13 01:53:12,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:12,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431002588] [2024-11-13 01:53:12,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:12,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 40 proven. 25 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 01:53:13,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:13,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431002588] [2024-11-13 01:53:13,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431002588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:13,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886168437] [2024-11-13 01:53:13,522 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-13 01:53:13,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:13,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:13,524 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 01:53:13,526 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 01:53:13,910 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-13 01:53:13,910 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:53:13,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 01:53:13,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:14,174 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 01:53:14,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 01:53:14,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886168437] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:14,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:14,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-11-13 01:53:14,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193018470] [2024-11-13 01:53:14,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:14,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 01:53:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:14,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 01:53:14,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=836, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 01:53:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:14,391 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:14,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.5588235294117645) internal successors, (87), 33 states have internal predecessors, (87), 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 01:53:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:14,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:53:14,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:14,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:14,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:14,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:14,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:53:14,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 01:53:14,648 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 01:53:14,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:14,829 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-13 01:53:14,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:14,830 INFO L85 PathProgramCache]: Analyzing trace with hash 944167727, now seen corresponding path program 7 times [2024-11-13 01:53:14,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:14,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158591570] [2024-11-13 01:53:14,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:14,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 01:53:15,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:15,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158591570] [2024-11-13 01:53:15,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158591570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:15,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296260051] [2024-11-13 01:53:15,273 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-13 01:53:15,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:15,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:15,276 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 01:53:15,278 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 01:53:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:15,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 01:53:15,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 33 proven. 37 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 01:53:15,691 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:53:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 39 proven. 31 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 01:53:15,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296260051] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 01:53:15,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 01:53:15,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 33 [2024-11-13 01:53:15,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606433332] [2024-11-13 01:53:15,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 01:53:15,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 01:53:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 01:53:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 01:53:15,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=841, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 01:53:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:15,869 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 01:53:15,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.676470588235294) internal successors, (91), 33 states have internal predecessors, (91), 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 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-13 01:53:15,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 01:53:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 01:53:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 01:53:19,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 01:53:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 01:53:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 01:53:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-13 01:53:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 01:53:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 01:53:19,795 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 01:53:19,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:19,981 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 1 more)] === [2024-11-13 01:53:19,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 01:53:19,982 INFO L85 PathProgramCache]: Analyzing trace with hash -251177074, now seen corresponding path program 8 times [2024-11-13 01:53:19,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 01:53:19,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169592979] [2024-11-13 01:53:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 01:53:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 01:53:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 01:53:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 01:53:28,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 01:53:28,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169592979] [2024-11-13 01:53:28,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169592979] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 01:53:28,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54243249] [2024-11-13 01:53:28,678 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 01:53:28,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 01:53:28,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 01:53:28,680 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 01:53:28,682 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 01:53:28,890 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 01:53:28,891 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 01:53:28,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-13 01:53:28,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 01:53:29,950 INFO L349 Elim1Store]: treesize reduction 36, result has 52.0 percent of original size [2024-11-13 01:53:29,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2024-11-13 01:53:30,546 INFO L349 Elim1Store]: treesize reduction 132, result has 35.6 percent of original size [2024-11-13 01:53:30,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 129 treesize of output 152 [2024-11-13 01:53:32,086 INFO L349 Elim1Store]: treesize reduction 370, result has 27.6 percent of original size [2024-11-13 01:53:32,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 53 case distinctions, treesize of input 311 treesize of output 317 [2024-11-13 01:53:36,502 INFO L349 Elim1Store]: treesize reduction 734, result has 22.9 percent of original size [2024-11-13 01:53:36,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 15 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 133 case distinctions, treesize of input 684 treesize of output 548 [2024-11-13 01:53:46,723 INFO L349 Elim1Store]: treesize reduction 1152, result has 19.7 percent of original size [2024-11-13 01:53:46,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 21 select indices, 21 select index equivalence classes, 28 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 227 case distinctions, treesize of input 1260 treesize of output 819 [2024-11-13 01:54:04,421 INFO L349 Elim1Store]: treesize reduction 648, result has 50.5 percent of original size [2024-11-13 01:54:04,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 45 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 1655 treesize of output 1293 [2024-11-13 01:54:59,241 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 01:54:59,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 01:55:06,160 WARN L851 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~C~0.base Int)) (let ((.cse12 (* 4 |c_thread3Thread1of1ForFork0_~i~2#1|))) (let ((.cse17 (select (select |c_#memory_int| c_~A~0.base) (+ .cse12 c_~A~0.offset))) (.cse18 (select (select |c_#memory_int| c_~B~0.base) (+ .cse12 c_~B~0.offset)))) (let ((.cse30 (store (select |c_#memory_int| ~C~0.base) (+ .cse12 ~C~0.offset) (+ .cse17 .cse18)))) (let ((.cse31 (store |c_#memory_int| ~C~0.base .cse30))) (let ((.cse11 (select .cse31 c_~B~0.base)) (.cse0 (select .cse31 c_~A~0.base))) (let ((.cse20 (select .cse0 (+ .cse12 c_~A~0.offset 4))) (.cse22 (select .cse11 (+ .cse12 4 c_~B~0.offset)))) (let ((.cse28 (store .cse30 (+ .cse12 ~C~0.offset 4) (+ .cse20 .cse22)))) (let ((.cse29 (store |c_#memory_int| ~C~0.base .cse28))) (let ((.cse8 (select .cse29 c_~B~0.base)) (.cse5 (select .cse29 c_~A~0.base))) (let ((.cse13 (select .cse5 (+ .cse12 c_~A~0.offset 8))) (.cse21 (select .cse8 (+ .cse12 8 c_~B~0.offset)))) (let ((.cse26 (store .cse28 (+ .cse12 ~C~0.offset 8) (+ .cse13 .cse21)))) (let ((.cse27 (store |c_#memory_int| ~C~0.base .cse26))) (let ((.cse2 (select .cse27 c_~B~0.base)) (.cse6 (select .cse27 c_~A~0.base))) (let ((.cse14 (select .cse6 (+ .cse12 c_~A~0.offset 12))) (.cse15 (select .cse2 (+ .cse12 12 c_~B~0.offset)))) (let ((.cse24 (store .cse26 (+ .cse12 ~C~0.offset 12) (+ .cse14 .cse15)))) (let ((.cse25 (store |c_#memory_int| ~C~0.base .cse24))) (let ((.cse4 (select .cse25 c_~A~0.base)) (.cse7 (select .cse25 c_~B~0.base))) (let ((.cse16 (select .cse7 (+ .cse12 16 c_~B~0.offset))) (.cse19 (select .cse4 (+ .cse12 c_~A~0.offset 16)))) (let ((.cse23 (store |c_#memory_int| ~C~0.base (store .cse24 (+ .cse12 ~C~0.offset 16) (+ .cse16 .cse19))))) (let ((.cse9 (select .cse23 c_~A~0.base)) (.cse10 (select .cse23 c_~B~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4)) (.cse3 (* |c_thread2Thread1of1ForFork2_~i~1#1| 4))) (+ (select .cse0 (+ .cse1 c_~A~0.offset)) (select .cse2 (+ .cse3 8 c_~B~0.offset)) (select .cse4 (+ .cse1 c_~A~0.offset 12)) (select .cse5 (+ .cse1 c_~A~0.offset 4)) (select .cse6 (+ .cse1 c_~A~0.offset 8)) (select .cse7 (+ .cse3 12 c_~B~0.offset)) c_~asum~0 (select .cse8 (+ .cse3 4 c_~B~0.offset)) c_~bsum~0 (select .cse9 (+ .cse1 c_~A~0.offset 16)) (select .cse10 (+ .cse3 16 c_~B~0.offset)) (select .cse11 (+ .cse3 c_~B~0.offset)))) (+ (select .cse9 (+ .cse12 c_~A~0.offset 20)) .cse13 .cse14 .cse15 (select .cse10 (+ .cse12 20 c_~B~0.offset)) .cse16 .cse17 .cse18 .cse19 c_~csum~0 .cse20 .cse21 .cse22))))))))))))))))))))))) is different from false [2024-11-13 01:55:08,348 WARN L851 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int) (~C~0.base Int)) (let ((.cse5 (select |c_#memory_int| ~B~0.base)) (.cse13 (* 4 |c_thread3Thread1of1ForFork0_~i~2#1|))) (let ((.cse16 (select (select |c_#memory_int| c_~A~0.base) (+ .cse13 c_~A~0.offset))) (.cse17 (select .cse5 (+ .cse13 c_~B~0.offset)))) (let ((.cse31 (store (select |c_#memory_int| ~C~0.base) (+ .cse13 ~C~0.offset) (+ .cse16 .cse17)))) (let ((.cse32 (store |c_#memory_int| ~C~0.base .cse31))) (let ((.cse9 (select .cse32 c_~A~0.base)) (.cse8 (select .cse32 ~B~0.base))) (let ((.cse18 (select .cse8 (+ .cse13 4 c_~B~0.offset))) (.cse19 (select .cse9 (+ .cse13 c_~A~0.offset 4)))) (let ((.cse29 (store .cse31 (+ .cse13 ~C~0.offset 4) (+ .cse18 .cse19)))) (let ((.cse30 (store |c_#memory_int| ~C~0.base .cse29))) (let ((.cse0 (select .cse30 c_~A~0.base)) (.cse10 (select .cse30 ~B~0.base))) (let ((.cse22 (select .cse10 (+ .cse13 8 c_~B~0.offset))) (.cse23 (select .cse0 (+ .cse13 c_~A~0.offset 8)))) (let ((.cse27 (store .cse29 (+ .cse13 ~C~0.offset 8) (+ .cse22 .cse23)))) (let ((.cse28 (store |c_#memory_int| ~C~0.base .cse27))) (let ((.cse3 (select .cse28 c_~A~0.base)) (.cse11 (select .cse28 ~B~0.base))) (let ((.cse15 (select .cse11 (+ .cse13 12 c_~B~0.offset))) (.cse21 (select .cse3 (+ .cse13 c_~A~0.offset 12)))) (let ((.cse25 (store .cse27 (+ .cse13 ~C~0.offset 12) (+ .cse15 .cse21)))) (let ((.cse26 (store |c_#memory_int| ~C~0.base .cse25))) (let ((.cse12 (select .cse26 ~B~0.base)) (.cse2 (select .cse26 c_~A~0.base))) (let ((.cse14 (select .cse2 (+ .cse13 c_~A~0.offset 16))) (.cse20 (select .cse12 (+ .cse13 16 c_~B~0.offset)))) (let ((.cse24 (store |c_#memory_int| ~C~0.base (store .cse25 (+ .cse13 ~C~0.offset 16) (+ .cse14 .cse20))))) (let ((.cse4 (select .cse24 c_~A~0.base)) (.cse7 (select .cse24 ~B~0.base))) (= (let ((.cse1 (* |c_thread1Thread1of1ForFork1_~i~0#1| 4)) (.cse6 (* |c_thread2Thread1of1ForFork2_~i~1#1| 4))) (+ (select .cse0 (+ .cse1 c_~A~0.offset 4)) (select .cse2 (+ .cse1 c_~A~0.offset 12)) c_~asum~0 (select .cse3 (+ .cse1 c_~A~0.offset 8)) c_~bsum~0 (select .cse4 (+ .cse1 c_~A~0.offset 16)) (select .cse5 (+ .cse6 c_~B~0.offset)) (select .cse7 (+ .cse6 20 c_~B~0.offset)) (select .cse8 (+ .cse6 4 c_~B~0.offset)) (select .cse9 (+ .cse1 c_~A~0.offset)) (select .cse10 (+ .cse6 8 c_~B~0.offset)) (select .cse11 (+ .cse6 12 c_~B~0.offset)) (select .cse12 (+ .cse6 16 c_~B~0.offset)))) (+ (select .cse4 (+ .cse13 c_~A~0.offset 20)) (select .cse7 (+ .cse13 20 c_~B~0.offset)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 c_~csum~0 .cse22 .cse23))))))))))))))))))))))) is different from false