./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1f73d82f Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1f73d82-m [2024-11-21 13:10:36,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 13:10:36,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-21 13:10:36,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 13:10:36,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 13:10:36,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 13:10:36,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 13:10:36,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 13:10:36,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 13:10:36,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 13:10:36,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 13:10:36,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 13:10:36,870 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 13:10:36,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 13:10:36,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 13:10:36,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 13:10:36,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Commutativity condition synthesis=SUFFICIENT [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 13:10:36,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 13:10:36,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-21 13:10:36,873 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-21 13:10:36,873 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-21 13:10:36,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-jdk21/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 -> 4f5c6e2b4939ff0e3b5a44ab7f8c3e5d18f7e9fd12beb8fad487ea501e8fa48b [2024-11-21 13:10:37,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 13:10:37,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 13:10:37,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 13:10:37,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 13:10:37,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 13:10:37,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-21 13:10:38,291 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/476a7171a/828f3fd4df79497d8805885a4fe85c16/FLAGc7086ee7e [2024-11-21 13:10:38,506 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 13:10:38,506 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c [2024-11-21 13:10:38,514 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/476a7171a/828f3fd4df79497d8805885a4fe85c16/FLAGc7086ee7e [2024-11-21 13:10:38,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/476a7171a/828f3fd4df79497d8805885a4fe85c16 [2024-11-21 13:10:38,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 13:10:38,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 13:10:38,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 13:10:38,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 13:10:38,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 13:10:38,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@549eecee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38, skipping insertion in model container [2024-11-21 13:10:38,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 13:10:38,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2500,2513] [2024-11-21 13:10:38,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 13:10:38,684 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 13:10:38,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/unroll-cond-2.wvr.c[2500,2513] [2024-11-21 13:10:38,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 13:10:38,712 INFO L204 MainTranslator]: Completed translation [2024-11-21 13:10:38,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38 WrapperNode [2024-11-21 13:10:38,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 13:10:38,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 13:10:38,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 13:10:38,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 13:10:38,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,738 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 131 [2024-11-21 13:10:38,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 13:10:38,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 13:10:38,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 13:10:38,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 13:10:38,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,748 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 13:10:38,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 13:10:38,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 13:10:38,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 13:10:38,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (1/1) ... [2024-11-21 13:10:38,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-21 13:10:38,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:10:38,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-21 13:10:38,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-21 13:10:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 13:10:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-21 13:10:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-21 13:10:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-21 13:10:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-21 13:10:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-21 13:10:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-21 13:10:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-21 13:10:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 13:10:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 13:10:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-21 13:10:38,807 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-21 13:10:38,891 INFO L234 CfgBuilder]: Building ICFG [2024-11-21 13:10:38,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 13:10:39,106 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-21 13:10:39,106 INFO L283 CfgBuilder]: Performing block encoding [2024-11-21 13:10:39,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 13:10:39,310 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-21 13:10:39,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:10:39 BoogieIcfgContainer [2024-11-21 13:10:39,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 13:10:39,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 13:10:39,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 13:10:39,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 13:10:39,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:10:38" (1/3) ... [2024-11-21 13:10:39,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5862e170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:10:39, skipping insertion in model container [2024-11-21 13:10:39,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:10:38" (2/3) ... [2024-11-21 13:10:39,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5862e170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:10:39, skipping insertion in model container [2024-11-21 13:10:39,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:10:39" (3/3) ... [2024-11-21 13:10:39,319 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-11-21 13:10:39,331 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 13:10:39,333 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-2.wvr.c that has 3 procedures, 18 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-21 13:10:39,333 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-21 13:10:39,378 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-21 13:10:39,411 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:10:39,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-21 13:10:39,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:10:39,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-21 13:10:39,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-21 13:10:39,479 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-21 13:10:39,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-21 13:10:39,498 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;@5f6e3dff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 13:10:39,498 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-21 13:10:39,598 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:10:39,598 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:10:39,598 INFO L139 ounterexampleChecker]: Examining path program with hash 1420734589, occurence #1 [2024-11-21 13:10:39,599 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:10:39,599 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:10:39,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:10:39,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1639881146, now seen corresponding path program 1 times [2024-11-21 13:10:39,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:10:39,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880018403] [2024-11-21 13:10:39,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:10:39,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:10:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:10:39,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:10:39,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:10:39,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880018403] [2024-11-21 13:10:39,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880018403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:10:39,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:10:39,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 13:10:39,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108959028] [2024-11-21 13:10:39,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:10:39,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-21 13:10:39,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:10:39,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-21 13:10:39,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-21 13:10:39,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:39,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:10:39,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-21 13:10:39,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:39,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:10:39,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-21 13:10:39,938 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:10:39,938 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:10:39,938 INFO L139 ounterexampleChecker]: Examining path program with hash 1420734589, occurence #2 [2024-11-21 13:10:39,938 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 13:10:39,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 13:10:39,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:10:39,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 13:10:39,950 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:39,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 13:10:39,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:39,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-21 13:10:39,951 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:39,951 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 13:10:39,951 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:10:39,951 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 13:10:39,951 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:10:39,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:10:39,952 INFO L85 PathProgramCache]: Analyzing trace with hash 236901258, now seen corresponding path program 1 times [2024-11-21 13:10:39,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:10:39,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905825934] [2024-11-21 13:10:39,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:10:39,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:10:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:10:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 13:10:40,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:10:40,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905825934] [2024-11-21 13:10:40,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905825934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 13:10:40,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 13:10:40,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-21 13:10:40,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694498450] [2024-11-21 13:10:40,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 13:10:40,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-21 13:10:40,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:10:40,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-21 13:10:40,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-21 13:10:40,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:40,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:10:40,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-21 13:10:40,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:10:40,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:40,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:10:40,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:10:40,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-21 13:10:40,534 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:10:40,534 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:10:40,534 INFO L139 ounterexampleChecker]: Examining path program with hash 1420734589, occurence #3 [2024-11-21 13:10:40,534 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 13:10:40,534 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 13:10:40,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:10:40,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-21 13:10:40,535 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:40,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-21 13:10:40,535 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:40,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-21 13:10:40,536 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:40,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-21 13:10:40,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:10:40,536 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 13:10:40,536 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:10:40,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:10:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1542641863, now seen corresponding path program 1 times [2024-11-21 13:10:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:10:40,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058306002] [2024-11-21 13:10:40,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:10:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:10:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:10:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:10:41,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:10:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058306002] [2024-11-21 13:10:41,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058306002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 13:10:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957444920] [2024-11-21 13:10:41,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:10:41,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:10:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:10:41,406 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 13:10:41,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-21 13:10:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:10:41,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-21 13:10:41,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 13:10:41,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-21 13:10:41,873 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2024-11-21 13:10:41,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 61 [2024-11-21 13:10:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:10:41,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 13:10:42,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 124 [2024-11-21 13:10:42,663 INFO L349 Elim1Store]: treesize reduction 5, result has 95.2 percent of original size [2024-11-21 13:10:42,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 489 treesize of output 394 [2024-11-21 13:10:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 13:10:49,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957444920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 13:10:49,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 13:10:49,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-11-21 13:10:49,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532551147] [2024-11-21 13:10:49,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 13:10:49,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-21 13:10:49,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:10:49,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-21 13:10:49,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2024-11-21 13:10:49,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:49,444 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:10:49,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 28 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 13:10:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:10:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:10:49,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:10:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:10:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 13:10:49,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-21 13:10:49,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:10:49,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:10:49,994 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:10:49,994 INFO L139 ounterexampleChecker]: Examining path program with hash 1420734589, occurence #4 [2024-11-21 13:10:49,994 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 13:10:49,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 13:10:49,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:10:49,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 13:10:49,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:49,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 13:10:49,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:49,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-21 13:10:49,994 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:10:49,994 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-21 13:10:49,994 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:10:49,994 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 13:10:49,994 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:10:49,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:10:49,995 INFO L85 PathProgramCache]: Analyzing trace with hash -345849856, now seen corresponding path program 2 times [2024-11-21 13:10:49,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:10:49,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011944835] [2024-11-21 13:10:49,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:10:49,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:10:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:10:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:10:50,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:10:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011944835] [2024-11-21 13:10:50,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011944835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 13:10:50,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251507601] [2024-11-21 13:10:50,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-21 13:10:50,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:10:50,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:10:50,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 13:10:50,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-21 13:10:50,404 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-21 13:10:50,404 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 13:10:50,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-21 13:10:50,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 13:10:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:10:50,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 13:10:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:10:50,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251507601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 13:10:50,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 13:10:50,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-11-21 13:10:50,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821447096] [2024-11-21 13:10:50,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 13:10:50,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-21 13:10:50,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:10:50,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-21 13:10:50,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-11-21 13:10:50,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:10:50,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:10:50,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 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) [2024-11-21 13:10:50,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:10:50,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:10:50,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 13:10:50,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:11:05,132 WARN L286 SmtUtils]: Spent 12.92s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:11:11,439 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 49 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:11:20,576 WARN L286 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:11:26,841 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification. DAG size of input: 52 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:11:28,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:11:42,020 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:11:44,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-21 13:12:01,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:12:03,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:12:04,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:12:08,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:12:10,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:12:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:12:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:12:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 13:12:10,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 13:12:10,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-21 13:12:10,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:12:10,966 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:12:10,966 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:12:10,968 INFO L139 ounterexampleChecker]: Examining path program with hash 1420734589, occurence #5 [2024-11-21 13:12:10,968 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-21 13:12:10,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-11-21 13:12:10,968 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:12:10,968 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-21 13:12:10,968 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:12:10,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-21 13:12:10,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:12:10,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-21 13:12:10,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-11-21 13:12:10,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-21 13:12:10,970 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-11-21 13:12:10,970 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-21 13:12:10,970 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:12:10,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:12:10,970 INFO L85 PathProgramCache]: Analyzing trace with hash 595270516, now seen corresponding path program 3 times [2024-11-21 13:12:10,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:12:10,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615025539] [2024-11-21 13:12:10,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:12:10,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:12:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:12:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:12:11,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:12:11,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615025539] [2024-11-21 13:12:11,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615025539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 13:12:11,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455989379] [2024-11-21 13:12:11,571 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-21 13:12:11,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:12:11,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:12:11,575 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 13:12:11,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-21 13:12:11,718 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-21 13:12:11,718 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 13:12:11,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-21 13:12:11,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 13:12:11,882 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:12:11,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 13:12:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:12:12,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455989379] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-21 13:12:12,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-21 13:12:12,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 36 [2024-11-21 13:12:12,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997245735] [2024-11-21 13:12:12,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-21 13:12:12,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-21 13:12:12,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-21 13:12:12,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-21 13:12:12,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1068, Unknown=0, NotChecked=0, Total=1260 [2024-11-21 13:12:12,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:12:12,435 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-21 13:12:12,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 36 states have internal predecessors, (55), 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) [2024-11-21 13:12:12,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:12:12,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:12:12,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-21 13:12:12,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-11-21 13:12:12,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-21 13:12:36,199 WARN L286 SmtUtils]: Spent 16.27s on a formula simplification. DAG size of input: 76 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:12:42,900 WARN L286 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 67 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:12:57,649 WARN L286 SmtUtils]: Spent 11.09s on a formula simplification. DAG size of input: 63 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:13:13,568 WARN L286 SmtUtils]: Spent 13.17s on a formula simplification. DAG size of input: 73 DAG size of output: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:13:22,480 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 65 DAG size of output: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:13:36,515 WARN L286 SmtUtils]: Spent 13.61s on a formula simplification. DAG size of input: 75 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:13:50,729 WARN L286 SmtUtils]: Spent 13.00s on a formula simplification. DAG size of input: 71 DAG size of output: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:13:59,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:05,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:07,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:09,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:13,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:23,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:28,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:30,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:33,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:35,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-21 13:14:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-21 13:14:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-21 13:14:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-21 13:14:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-21 13:14:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-21 13:14:36,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-21 13:14:37,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:14:37,082 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-21 13:14:37,082 INFO L303 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-21 13:14:37,083 INFO L139 ounterexampleChecker]: Examining path program with hash -62166347, occurence #1 [2024-11-21 13:14:37,083 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-21 13:14:37,083 INFO L314 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-21 13:14:37,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 13:14:37,083 INFO L85 PathProgramCache]: Analyzing trace with hash 2056132063, now seen corresponding path program 4 times [2024-11-21 13:14:37,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-21 13:14:37,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750251869] [2024-11-21 13:14:37,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 13:14:37,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-21 13:14:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 13:14:38,576 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 197 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-21 13:14:38,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-21 13:14:38,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750251869] [2024-11-21 13:14:38,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750251869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-21 13:14:38,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478901390] [2024-11-21 13:14:38,576 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-21 13:14:38,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-21 13:14:38,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-21 13:14:38,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-21 13:14:38,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-21 13:14:38,752 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-21 13:14:38,752 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-21 13:14:38,755 WARN L254 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 172 conjuncts are in the unsatisfiable core [2024-11-21 13:14:38,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 13:14:38,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-21 13:14:45,154 INFO L349 Elim1Store]: treesize reduction 1035, result has 5.0 percent of original size [2024-11-21 13:14:45,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 33 new quantified variables, introduced 136 case distinctions, treesize of input 572 treesize of output 213 [2024-11-21 13:14:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-21 13:14:45,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-21 13:15:59,441 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 203 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:16:22,215 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 209 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:16:58,189 WARN L286 SmtUtils]: Spent 11.71s on a formula simplification that was a NOOP. DAG size: 222 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:17:26,337 WARN L286 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 225 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:18:17,767 WARN L286 SmtUtils]: Spent 18.24s on a formula simplification that was a NOOP. DAG size: 237 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:19:31,370 WARN L286 SmtUtils]: Spent 14.70s on a formula simplification that was a NOOP. DAG size: 240 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:21:03,067 WARN L286 SmtUtils]: Spent 21.20s on a formula simplification that was a NOOP. DAG size: 252 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:22:38,601 WARN L286 SmtUtils]: Spent 21.36s on a formula simplification that was a NOOP. DAG size: 255 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-21 13:23:38,342 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse30 (select |c_#memory_int| c_~f~0.base))) (let ((.cse1 (select .cse30 (+ (* c_~x2~0 4) c_~f~0.offset)))) (let ((.cse8 (select .cse30 (+ (* .cse1 4) c_~f~0.offset)))) (let ((.cse22 (select .cse30 (+ c_~f~0.offset (* 4 .cse8))))) (let ((.cse12 (select .cse30 (+ c_~f~0.offset (* .cse22 4))))) (let ((.cse6 (select .cse30 (+ c_~f~0.offset (* 4 .cse12))))) (let ((.cse9 (select .cse30 (+ (* 4 .cse6) c_~f~0.offset)))) (let ((.cse7 (select .cse30 (+ (* 4 .cse9) c_~f~0.offset)))) (let ((.cse38 (select .cse30 (+ c_~f~0.offset (* .cse7 4))))) (let ((.cse2 (select .cse30 (+ c_~f~0.offset (* .cse38 4))))) (let ((.cse18 (select .cse30 (+ (* .cse2 4) c_~f~0.offset)))) (let ((.cse39 (select .cse30 (+ (* .cse18 4) c_~f~0.offset)))) (let ((.cse10 (select .cse30 (+ (* .cse39 4) c_~f~0.offset)))) (let ((.cse34 (select .cse30 (+ c_~f~0.offset (* .cse10 4))))) (let ((.cse20 (select .cse30 (+ c_~f~0.offset (* .cse34 4))))) (let ((.cse26 (select .cse30 (+ (* 4 .cse20) c_~f~0.offset)))) (let ((.cse16 (select .cse30 (+ (* .cse26 4) c_~f~0.offset)))) (let ((.cse35 (select .cse30 (+ (* .cse16 4) c_~f~0.offset)))) (let ((.cse4 (select .cse30 (+ c_~f~0.offset (* .cse35 4))))) (let ((.cse33 (select .cse30 (+ c_~f~0.offset (* .cse4 4)))) (.cse15 (select .cse30 (+ c_~f~0.offset (* (select .cse30 (+ c_~f~0.offset (* (select .cse30 (+ (* c_~x1~0 4) c_~f~0.offset)) 4))) 4))))) (let ((.cse24 (select .cse30 (+ c_~f~0.offset (* .cse15 4)))) (.cse11 (select .cse30 (+ (* .cse33 4) c_~f~0.offset)))) (let ((.cse27 (select .cse30 (+ (* .cse11 4) c_~f~0.offset))) (.cse21 (select .cse30 (+ c_~f~0.offset (* .cse24 4))))) (let ((.cse23 (select .cse30 (+ (* .cse21 4) c_~f~0.offset))) (.cse5 (select .cse30 (+ c_~f~0.offset (* .cse27 4))))) (let ((.cse17 (select .cse30 (+ c_~f~0.offset (* 4 .cse5)))) (.cse19 (select .cse30 (+ (* .cse23 4) c_~f~0.offset)))) (let ((.cse0 (select .cse30 (+ c_~f~0.offset (* .cse19 4)))) (.cse25 (select .cse30 (+ c_~f~0.offset (* .cse17 4))))) (let ((.cse37 (select .cse30 (+ (* 4 .cse25) c_~f~0.offset))) (.cse36 (select .cse30 (+ c_~f~0.offset (* .cse0 4))))) (let ((.cse14 (select .cse30 (+ (* .cse36 4) c_~f~0.offset))) (.cse13 (select .cse30 (+ (* .cse37 4) c_~f~0.offset)))) (let ((.cse3 (select .cse30 (+ c_~f~0.offset (* .cse13 4)))) (.cse32 (select .cse30 (+ c_~f~0.offset (* .cse14 4))))) (or (< .cse0 0) (< .cse1 0) (< .cse2 0) (< .cse3 0) (< .cse4 0) (< .cse5 0) (< c_~size~0 (+ .cse6 1)) (< c_~size~0 (+ .cse7 1)) (< c_~size~0 (+ .cse8 1)) (< c_~size~0 (+ .cse9 1)) (< .cse10 0) (< .cse11 0) (< c_~size~0 (+ .cse2 1)) (< .cse12 0) (< .cse13 0) (< c_~size~0 (+ .cse3 1)) (< c_~size~0 (+ .cse10 1)) (< .cse14 0) (< .cse15 0) (< .cse16 0) (< .cse17 0) (< .cse18 0) (< c_~size~0 (+ .cse1 1)) (< c_~size~0 (+ .cse19 1)) (< .cse7 0) (< c_~size~0 (+ .cse20 1)) (< .cse21 0) (< .cse22 0) (< c_~size~0 (+ .cse23 1)) (< c_~size~0 (+ .cse14 1)) (< .cse8 0) (< c_~x2~0 0) (< c_~size~0 (+ .cse24 1)) (< .cse25 0) (< c_~size~0 (+ .cse16 1)) (< c_~size~0 (+ .cse26 1)) (< c_~size~0 (+ .cse27 1)) (< .cse23 0) (< c_~size~0 (+ .cse4 1)) (< .cse19 0) (< c_~size~0 (+ .cse0 1)) (< .cse24 0) (< c_~size~0 (+ .cse13 1)) (let ((.cse31 (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296)) (.cse28 (select .cse30 (+ c_~f~0.offset (* .cse3 4)))) (.cse29 (select .cse30 (+ (* 4 .cse32) c_~f~0.offset)))) (and (or (< .cse28 0) (= .cse29 (select .cse30 (+ (* .cse28 4) c_~f~0.offset))) (< (mod (+ |c_thread1Thread1of1ForFork1_~i~0#1| 12) 4294967296) (+ .cse31 2)) (< c_~size~0 (+ .cse28 1))) (or (< 4294967294 .cse31) (= .cse28 .cse29)))) (< c_~size~0 (+ .cse5 1)) (< c_~size~0 (+ c_~x2~0 1)) (< c_~size~0 (+ .cse33 1)) (< c_~size~0 (+ .cse34 1)) (< .cse35 0) (< c_~size~0 (+ .cse21 1)) (< .cse36 0) (< .cse6 0) (< .cse32 0) (< c_~size~0 (+ 1 .cse32)) (< c_~size~0 (+ .cse35 1)) (< .cse33 0) (< c_~size~0 (+ .cse17 1)) (< .cse27 0) (< c_~size~0 (+ .cse37 1)) (< c_~size~0 (+ .cse36 1)) (< c_~size~0 (+ .cse22 1)) (< c_~size~0 (+ .cse38 1)) (< c_~size~0 (+ .cse18 1)) (< .cse26 0) (< .cse34 0) (< c_~size~0 (+ .cse11 1)) (< c_~size~0 (+ .cse39 1)) (< c_~size~0 (+ .cse12 1)) (< .cse38 0) (< .cse9 0) (< .cse39 0) (< .cse37 0) (< c_~size~0 (+ .cse15 1)) (< .cse20 0) (< c_~size~0 (+ .cse25 1))))))))))))))))))))))))))))))) is different from true Killed by 15