./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 44c38e66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-commit-1.wvr-bad.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 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:56:35,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:56:35,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:56:35,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:56:35,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:56:35,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:56:35,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:56:35,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:56:35,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:56:35,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:56:35,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:56:35,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:56:35,667 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:56:35,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:56:35,672 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:56:35,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:56:35,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:56:35,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:56:35,673 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:56:35,673 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/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 -> 83c7202603a0719c5812e4d7043f4665de4d954c89c656bd6312ac9e8fdcb494 [2025-04-24 19:56:35,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:56:35,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:56:35,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:56:35,899 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:56:35,899 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:56:35,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2025-04-24 19:56:37,154 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/63d4a88cd/5cbc9a1383b54d1dbb10ef9eb7566fc7/FLAG6b26fefde [2025-04-24 19:56:37,380 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:56:37,384 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-commit-1.wvr-bad.c [2025-04-24 19:56:37,393 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/63d4a88cd/5cbc9a1383b54d1dbb10ef9eb7566fc7/FLAG6b26fefde [2025-04-24 19:56:38,154 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/63d4a88cd/5cbc9a1383b54d1dbb10ef9eb7566fc7 [2025-04-24 19:56:38,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:56:38,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:56:38,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:56:38,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:56:38,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:56:38,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf49892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38, skipping insertion in model container [2025-04-24 19:56:38,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:56:38,369 WARN L116 LibraryModelHandler]: 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-commit-1.wvr-bad.c[5161,5174] [2025-04-24 19:56:38,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:56:38,390 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:56:38,435 WARN L116 LibraryModelHandler]: 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-commit-1.wvr-bad.c[5161,5174] [2025-04-24 19:56:38,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:56:38,452 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:56:38,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38 WrapperNode [2025-04-24 19:56:38,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:56:38,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:56:38,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:56:38,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:56:38,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,488 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 325 [2025-04-24 19:56:38,489 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:56:38,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:56:38,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:56:38,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:56:38,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,506 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:56:38,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:56:38,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:56:38,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:56:38,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (1/1) ... [2025-04-24 19:56:38,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:56:38,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:38,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-24 19:56:38,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 19:56:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 19:56:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 19:56:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:56:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:56:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:56:38,561 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-24 19:56:38,633 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:56:38,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:56:38,984 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:56:38,984 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:56:39,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:56:39,267 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-04-24 19:56:39,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:56:39 BoogieIcfgContainer [2025-04-24 19:56:39,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:56:39,269 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:56:39,270 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:56:39,273 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:56:39,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:56:38" (1/3) ... [2025-04-24 19:56:39,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e6456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:56:39, skipping insertion in model container [2025-04-24 19:56:39,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:56:38" (2/3) ... [2025-04-24 19:56:39,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@334e6456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:56:39, skipping insertion in model container [2025-04-24 19:56:39,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:56:39" (3/3) ... [2025-04-24 19:56:39,275 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-commit-1.wvr-bad.c [2025-04-24 19:56:39,286 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:56:39,288 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-commit-1.wvr-bad.c that has 4 procedures, 45 locations, 58 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-04-24 19:56:39,288 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:56:39,335 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-24 19:56:39,371 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:56:39,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:56:39,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:39,375 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) [2025-04-24 19:56:39,376 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 [2025-04-24 19:56:39,438 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:56:39,452 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 19:56:39,457 INFO L340 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;@554bdbd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:56:39,457 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-24 19:56:39,624 INFO L403 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)] === [2025-04-24 19:56:39,624 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:39,624 INFO L139 ounterexampleChecker]: Examining path program with hash 851838500, occurence #1 [2025-04-24 19:56:39,624 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:39,624 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:39,628 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:39,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1961989670, now seen corresponding path program 1 times [2025-04-24 19:56:39,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:39,633 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515470720] [2025-04-24 19:56:39,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:39,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:39,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-04-24 19:56:39,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-04-24 19:56:39,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:39,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:39,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:39,795 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515470720] [2025-04-24 19:56:39,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515470720] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:39,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:39,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:56:39,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462301470] [2025-04-24 19:56:39,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:39,800 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 19:56:39,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:39,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 19:56:39,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 19:56:39,814 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:39,815 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:39,816 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2025-04-24 19:56:39,817 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,030 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,031 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:56:41,031 INFO L403 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)] === [2025-04-24 19:56:41,031 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:41,031 INFO L139 ounterexampleChecker]: Examining path program with hash 1367462758, occurence #1 [2025-04-24 19:56:41,031 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:41,031 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:41,033 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:41,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1655371981, now seen corresponding path program 1 times [2025-04-24 19:56:41,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:41,033 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329602362] [2025-04-24 19:56:41,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:41,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:41,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-04-24 19:56:41,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-04-24 19:56:41,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:41,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:41,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:41,274 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329602362] [2025-04-24 19:56:41,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329602362] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:41,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:41,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:56:41,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141887943] [2025-04-24 19:56:41,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:41,275 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:41,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:41,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:41,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:41,277 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,277 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:41,277 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 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) [2025-04-24 19:56:41,277 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,277 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,499 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,500 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:41,500 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 19:56:41,500 INFO L403 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)] === [2025-04-24 19:56:41,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:41,500 INFO L139 ounterexampleChecker]: Examining path program with hash 1338276562, occurence #1 [2025-04-24 19:56:41,500 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:41,501 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:41,501 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1232245249, now seen corresponding path program 2 times [2025-04-24 19:56:41,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:41,501 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922099027] [2025-04-24 19:56:41,501 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:41,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:41,518 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-04-24 19:56:41,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 101 of 121 statements. [2025-04-24 19:56:41,534 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:56:41,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-24 19:56:41,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:41,638 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922099027] [2025-04-24 19:56:41,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922099027] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:41,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:41,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:41,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859772922] [2025-04-24 19:56:41,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:41,639 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:41,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:41,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:41,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:41,639 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,639 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:41,639 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2025-04-24 19:56:41,639 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,640 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:41,640 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,764 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:41,765 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:41,765 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 19:56:41,765 INFO L403 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)] === [2025-04-24 19:56:41,765 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:41,766 INFO L139 ounterexampleChecker]: Examining path program with hash 1697375108, occurence #1 [2025-04-24 19:56:41,766 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:41,766 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:41,766 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:41,766 INFO L85 PathProgramCache]: Analyzing trace with hash 327557381, now seen corresponding path program 3 times [2025-04-24 19:56:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:41,766 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701104394] [2025-04-24 19:56:41,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:56:41,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:41,788 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 4 equivalence classes. [2025-04-24 19:56:41,810 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 98 of 157 statements. [2025-04-24 19:56:41,811 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-24 19:56:41,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:41,931 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-04-24 19:56:41,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:41,931 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701104394] [2025-04-24 19:56:41,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701104394] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:41,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:41,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:41,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057320459] [2025-04-24 19:56:41,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:41,932 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:41,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:41,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:41,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:41,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,932 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:41,933 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2025-04-24 19:56:41,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:41,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:41,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:41,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,066 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-24 19:56:42,066 INFO L403 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)] === [2025-04-24 19:56:42,067 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:42,067 INFO L139 ounterexampleChecker]: Examining path program with hash -2128434684, occurence #1 [2025-04-24 19:56:42,068 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:42,068 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:42,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:42,068 INFO L85 PathProgramCache]: Analyzing trace with hash 689186765, now seen corresponding path program 4 times [2025-04-24 19:56:42,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:42,069 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044734572] [2025-04-24 19:56:42,069 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:56:42,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:42,095 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 209 statements into 2 equivalence classes. [2025-04-24 19:56:42,101 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 161 of 209 statements. [2025-04-24 19:56:42,101 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:56:42,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-24 19:56:42,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:42,181 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044734572] [2025-04-24 19:56:42,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044734572] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:42,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:42,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:42,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984756577] [2025-04-24 19:56:42,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:42,181 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:42,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:42,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:42,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:42,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,182 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:42,182 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2025-04-24 19:56:42,182 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,182 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,182 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,182 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,182 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,258 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,259 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-24 19:56:42,259 INFO L403 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)] === [2025-04-24 19:56:42,259 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:42,259 INFO L139 ounterexampleChecker]: Examining path program with hash -433946708, occurence #1 [2025-04-24 19:56:42,259 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:42,259 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:42,260 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:42,260 INFO L85 PathProgramCache]: Analyzing trace with hash -343737432, now seen corresponding path program 5 times [2025-04-24 19:56:42,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:42,260 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408522102] [2025-04-24 19:56:42,260 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:56:42,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:42,270 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 133 statements into 5 equivalence classes. [2025-04-24 19:56:42,309 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 94 of 133 statements. [2025-04-24 19:56:42,309 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-24 19:56:42,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:42,376 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-24 19:56:42,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:42,376 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408522102] [2025-04-24 19:56:42,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408522102] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:42,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:42,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:42,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265989578] [2025-04-24 19:56:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:42,377 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:42,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:42,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:42,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:42,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,378 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:42,378 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2025-04-24 19:56:42,378 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,378 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,378 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,378 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,378 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,378 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,459 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,460 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,460 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-24 19:56:42,461 INFO L403 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)] === [2025-04-24 19:56:42,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:42,461 INFO L139 ounterexampleChecker]: Examining path program with hash -1103042226, occurence #1 [2025-04-24 19:56:42,461 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:42,461 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:42,461 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:42,461 INFO L85 PathProgramCache]: Analyzing trace with hash 422231451, now seen corresponding path program 6 times [2025-04-24 19:56:42,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:42,461 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101303426] [2025-04-24 19:56:42,461 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:56:42,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:42,476 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 131 statements into 5 equivalence classes. [2025-04-24 19:56:42,483 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 29 of 131 statements. [2025-04-24 19:56:42,483 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-24 19:56:42,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:42,551 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-04-24 19:56:42,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:42,552 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101303426] [2025-04-24 19:56:42,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101303426] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:42,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:42,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:42,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274526632] [2025-04-24 19:56:42,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:42,553 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 19:56:42,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:42,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 19:56:42,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 19:56:42,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,553 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:42,553 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:42,618 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-24 19:56:42,618 INFO L403 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)] === [2025-04-24 19:56:42,618 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:42,618 INFO L139 ounterexampleChecker]: Examining path program with hash -1103042226, occurence #2 [2025-04-24 19:56:42,618 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:42,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:42,619 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:42,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 19:56:42,619 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:42,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 19:56:42,619 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:42,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:56:42,619 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:42,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:56:42,619 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:42,619 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 19:56:42,687 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:42,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1297732679, now seen corresponding path program 1 times [2025-04-24 19:56:42,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:42,688 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892338636] [2025-04-24 19:56:42,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:42,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:42,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-24 19:56:42,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-24 19:56:42,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:42,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-24 19:56:42,737 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:42,738 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892338636] [2025-04-24 19:56:42,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892338636] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:42,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:42,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:42,739 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 21. Constructing proof automaton... [2025-04-24 19:56:42,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:42,740 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-24 19:56:42,740 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:42,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-24 19:56:42,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:42,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:42,741 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,741 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:42,741 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:42,741 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:42,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:42,924 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-24 19:56:42,924 INFO L403 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)] === [2025-04-24 19:56:42,924 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:42,924 INFO L139 ounterexampleChecker]: Examining path program with hash -1917363685, occurence #1 [2025-04-24 19:56:42,924 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:42,924 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:42,924 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:42,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1220824071, now seen corresponding path program 1 times [2025-04-24 19:56:42,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:42,925 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706442157] [2025-04-24 19:56:42,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:42,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-24 19:56:42,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-24 19:56:42,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:42,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-24 19:56:43,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:43,040 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706442157] [2025-04-24 19:56:43,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706442157] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:43,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:43,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:43,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344112623] [2025-04-24 19:56:43,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:43,041 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:43,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:43,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:43,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:43,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,041 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:43,041 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 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) [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,041 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,216 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,217 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,217 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-24 19:56:43,217 INFO L403 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)] === [2025-04-24 19:56:43,217 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:43,217 INFO L139 ounterexampleChecker]: Examining path program with hash -1438194365, occurence #1 [2025-04-24 19:56:43,217 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:43,217 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:43,217 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash 71398997, now seen corresponding path program 1 times [2025-04-24 19:56:43,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:43,217 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167448180] [2025-04-24 19:56:43,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:43,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:43,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-24 19:56:43,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-24 19:56:43,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:43,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-24 19:56:43,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:43,323 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167448180] [2025-04-24 19:56:43,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167448180] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:43,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:43,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:43,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685453288] [2025-04-24 19:56:43,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:43,324 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:43,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:43,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:43,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:43,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,325 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:43,325 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,325 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,421 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,422 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-24 19:56:43,422 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:43,422 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:43,422 INFO L139 ounterexampleChecker]: Examining path program with hash 481200771, occurence #1 [2025-04-24 19:56:43,422 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:43,422 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:43,422 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1735489902, now seen corresponding path program 2 times [2025-04-24 19:56:43,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:43,423 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313338901] [2025-04-24 19:56:43,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:43,442 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 283 statements into 2 equivalence classes. [2025-04-24 19:56:43,476 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 283 of 283 statements. [2025-04-24 19:56:43,476 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:56:43,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2025-04-24 19:56:43,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:43,600 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313338901] [2025-04-24 19:56:43,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313338901] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:43,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:43,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:43,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471612260] [2025-04-24 19:56:43,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:43,602 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:43,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:43,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:43,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:43,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,604 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:43,604 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,693 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-24 19:56:43,693 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:43,693 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:43,694 INFO L139 ounterexampleChecker]: Examining path program with hash -841859009, occurence #1 [2025-04-24 19:56:43,694 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:43,694 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:43,694 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:43,694 INFO L85 PathProgramCache]: Analyzing trace with hash -198114364, now seen corresponding path program 2 times [2025-04-24 19:56:43,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:43,694 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464711752] [2025-04-24 19:56:43,694 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:43,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:43,722 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 220 statements into 2 equivalence classes. [2025-04-24 19:56:43,732 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 39 of 220 statements. [2025-04-24 19:56:43,732 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:56:43,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2025-04-24 19:56:43,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:43,829 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464711752] [2025-04-24 19:56:43,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464711752] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:43,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:43,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 19:56:43,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690659783] [2025-04-24 19:56:43,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:43,831 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 19:56:43,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:43,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 19:56:43,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 19:56:43,832 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,832 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:43,832 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,833 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:43,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:43,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:43,920 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-04-24 19:56:43,920 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:43,920 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:43,922 INFO L139 ounterexampleChecker]: Examining path program with hash -841859009, occurence #2 [2025-04-24 19:56:43,922 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:43,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:43,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:43,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:56:43,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:43,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 19:56:43,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:43,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 19:56:43,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:43,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 19:56:43,923 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:43,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 19:56:43,981 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:43,982 INFO L85 PathProgramCache]: Analyzing trace with hash 399175470, now seen corresponding path program 1 times [2025-04-24 19:56:43,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:43,982 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672320890] [2025-04-24 19:56:43,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:43,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:43,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-24 19:56:44,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-24 19:56:44,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:44,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:44,019 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:44,021 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:44,021 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 19:56:44,068 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash -728882651, now seen corresponding path program 1 times [2025-04-24 19:56:44,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:44,069 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226025015] [2025-04-24 19:56:44,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:44,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:44,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-24 19:56:44,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 19:56:44,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:44,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:56:44,146 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:44,146 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226025015] [2025-04-24 19:56:44,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226025015] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:44,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:44,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:44,147 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 31. Constructing proof automaton... [2025-04-24 19:56:44,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:44,147 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-24 19:56:44,147 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:44,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-24 19:56:44,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 19:56:44,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-24 19:56:44,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:44,147 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:44,148 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 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) [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:44,148 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,223 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:44,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:44,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:44,224 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13 [2025-04-24 19:56:44,224 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:44,224 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:44,224 INFO L139 ounterexampleChecker]: Examining path program with hash -841859009, occurence #3 [2025-04-24 19:56:44,224 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:44,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:44,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:56:44,224 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:56:44,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:56:44,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:56:44,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:56:44,275 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:44,275 INFO L85 PathProgramCache]: Analyzing trace with hash -32911588, now seen corresponding path program 1 times [2025-04-24 19:56:44,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:44,275 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391489858] [2025-04-24 19:56:44,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:44,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:44,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-24 19:56:44,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-24 19:56:44,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:44,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:44,302 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:44,302 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:44,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-24 19:56:44,347 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:44,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1404813293, now seen corresponding path program 1 times [2025-04-24 19:56:44,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:44,347 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844743870] [2025-04-24 19:56:44,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:44,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:44,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-24 19:56:44,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-24 19:56:44,370 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:44,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:44,371 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:44,371 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:44,371 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-24 19:56:44,372 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:56:44,421 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:44,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1503073757, now seen corresponding path program 1 times [2025-04-24 19:56:44,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:44,423 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682809207] [2025-04-24 19:56:44,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:44,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:44,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-24 19:56:44,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-24 19:56:44,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:44,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:44,792 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 19:56:44,792 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:44,792 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682809207] [2025-04-24 19:56:44,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682809207] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:44,793 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [264314883] [2025-04-24 19:56:44,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:44,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:44,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-24 19:56:44,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-24 19:56:44,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:44,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:44,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 19:56:44,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:44,987 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-04-24 19:56:44,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [264314883] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:44,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:44,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 19:56:44,987 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:44,987 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-24 19:56:44,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-24 19:56:44,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-04-24 19:56:44,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-04-24 19:56:44,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-24 19:56:44,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:44,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 217 [2025-04-24 19:56:44,988 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:44,988 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:56:44,988 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:44,988 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:44,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1378927994, now seen corresponding path program 1 times [2025-04-24 19:56:44,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:44,988 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913958613] [2025-04-24 19:56:44,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:45,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-04-24 19:56:45,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-04-24 19:56:45,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:45,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-04-24 19:56:45,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:45,453 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913958613] [2025-04-24 19:56:45,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913958613] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:45,453 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072298725] [2025-04-24 19:56:45,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:45,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:45,456 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) [2025-04-24 19:56:45,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-24 19:56:45,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 222 statements into 1 equivalence classes. [2025-04-24 19:56:45,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 222 of 222 statements. [2025-04-24 19:56:45,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:45,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:45,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 19:56:45,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:45,745 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-04-24 19:56:45,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2025-04-24 19:56:45,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072298725] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:45,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:45,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-24 19:56:45,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864742006] [2025-04-24 19:56:45,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:45,911 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 19:56:45,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:45,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 19:56:45,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-04-24 19:56:45,912 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:45,912 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:45,912 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.583333333333334) internal successors, (115), 11 states have internal predecessors, (115), 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) [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:45,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:46,113 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:46,114 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:46,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 19:56:46,314 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 19:56:46,315 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:46,315 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:46,315 INFO L139 ounterexampleChecker]: Examining path program with hash -841859009, occurence #4 [2025-04-24 19:56:46,315 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:46,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:46,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:46,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-24 19:56:46,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:46,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 19:56:46,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:46,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 19:56:46,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:46,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:56:46,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:46,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 19:56:46,368 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:46,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1250400248, now seen corresponding path program 1 times [2025-04-24 19:56:46,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:46,368 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180623176] [2025-04-24 19:56:46,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:46,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:46,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-24 19:56:46,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-24 19:56:46,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:46,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:46,407 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:46,408 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:46,408 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:56:46,456 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:46,456 INFO L85 PathProgramCache]: Analyzing trace with hash 425063359, now seen corresponding path program 1 times [2025-04-24 19:56:46,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:46,456 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385798717] [2025-04-24 19:56:46,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:46,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:46,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-04-24 19:56:46,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-24 19:56:46,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:46,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:46,492 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:46,492 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:46,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 19:56:46,492 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:46,493 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-04-24 19:56:46,551 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:46,551 INFO L85 PathProgramCache]: Analyzing trace with hash 725545383, now seen corresponding path program 1 times [2025-04-24 19:56:46,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:46,551 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156747879] [2025-04-24 19:56:46,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:46,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:46,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-24 19:56:46,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-24 19:56:46,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:46,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-24 19:56:46,805 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:46,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156747879] [2025-04-24 19:56:46,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156747879] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:46,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [622704630] [2025-04-24 19:56:46,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:46,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-24 19:56:46,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-24 19:56:46,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:46,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:46,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-24 19:56:46,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 48 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-04-24 19:56:47,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [622704630] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:47,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:47,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-24 19:56:47,031 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:47,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-24 19:56:47,031 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:47,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-24 19:56:47,031 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:47,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-04-24 19:56:47,031 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:47,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-24 19:56:47,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:47,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-24 19:56:47,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:47,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-24 19:56:47,032 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:47,032 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:56:47,032 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:47,032 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:47,032 INFO L85 PathProgramCache]: Analyzing trace with hash 407975289, now seen corresponding path program 2 times [2025-04-24 19:56:47,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:47,032 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245000009] [2025-04-24 19:56:47,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:47,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:47,046 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 223 statements into 2 equivalence classes. [2025-04-24 19:56:47,070 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 223 of 223 statements. [2025-04-24 19:56:47,070 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:56:47,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:47,355 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 16 proven. 14 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2025-04-24 19:56:47,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:47,355 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245000009] [2025-04-24 19:56:47,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245000009] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:47,355 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205363537] [2025-04-24 19:56:47,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:47,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:47,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:47,357 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) [2025-04-24 19:56:47,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-24 19:56:47,428 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 223 statements into 2 equivalence classes. [2025-04-24 19:56:47,494 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 223 of 223 statements. [2025-04-24 19:56:47,494 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:56:47,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:47,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-24 19:56:47,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2025-04-24 19:56:47,552 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-24 19:56:47,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205363537] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:47,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-24 19:56:47,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-04-24 19:56:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049233825] [2025-04-24 19:56:47,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:47,552 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 19:56:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:47,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 19:56:47,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-24 19:56:47,553 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:47,553 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:47,553 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 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) [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:47,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:47,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:47,554 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:47,783 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:47,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:47,785 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:47,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-24 19:56:47,985 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-24 19:56:47,986 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:47,986 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:47,986 INFO L139 ounterexampleChecker]: Examining path program with hash 574012988, occurence #1 [2025-04-24 19:56:47,986 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:47,986 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:47,986 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:47,987 INFO L85 PathProgramCache]: Analyzing trace with hash 556190873, now seen corresponding path program 3 times [2025-04-24 19:56:47,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:47,987 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116794348] [2025-04-24 19:56:47,987 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:56:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:48,002 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 275 statements into 9 equivalence classes. [2025-04-24 19:56:48,014 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 275 statements. [2025-04-24 19:56:48,014 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 19:56:48,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-24 19:56:48,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:48,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116794348] [2025-04-24 19:56:48,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116794348] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:48,129 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243633393] [2025-04-24 19:56:48,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:56:48,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:48,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:48,131 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) [2025-04-24 19:56:48,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-24 19:56:48,220 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 275 statements into 9 equivalence classes. [2025-04-24 19:56:48,257 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 275 statements. [2025-04-24 19:56:48,257 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-24 19:56:48,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:48,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-24 19:56:48,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-24 19:56:48,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-24 19:56:48,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243633393] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:48,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:48,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-04-24 19:56:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240704484] [2025-04-24 19:56:48,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:48,734 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-24 19:56:48,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:48,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-24 19:56:48,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-04-24 19:56:48,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:48,735 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:48,735 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 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) [2025-04-24 19:56:48,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:48,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,735 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:48,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:48,863 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:48,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 19:56:49,067 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:49,067 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:49,067 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:49,068 INFO L139 ounterexampleChecker]: Examining path program with hash 574012988, occurence #2 [2025-04-24 19:56:49,068 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:49,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:49,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:49,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-24 19:56:49,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:49,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:56:49,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:49,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:56:49,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:49,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-24 19:56:49,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:49,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 19:56:49,119 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:49,119 INFO L85 PathProgramCache]: Analyzing trace with hash 515064089, now seen corresponding path program 1 times [2025-04-24 19:56:49,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:49,119 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439568441] [2025-04-24 19:56:49,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:49,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:49,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-24 19:56:49,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-24 19:56:49,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:49,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:49,151 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:49,151 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:49,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:56:49,207 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:49,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1651143472, now seen corresponding path program 1 times [2025-04-24 19:56:49,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:49,208 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058200093] [2025-04-24 19:56:49,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:49,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:49,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-24 19:56:49,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 19:56:49,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:49,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:49,243 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:49,243 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:49,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 19:56:49,292 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:49,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1649896087, now seen corresponding path program 1 times [2025-04-24 19:56:49,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:49,292 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942922413] [2025-04-24 19:56:49,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:49,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:49,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-24 19:56:49,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-24 19:56:49,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:49,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:49,320 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:49,320 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:49,320 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-24 19:56:49,378 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:49,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1801641051, now seen corresponding path program 1 times [2025-04-24 19:56:49,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:49,379 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413826971] [2025-04-24 19:56:49,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:49,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:49,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-24 19:56:49,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-24 19:56:49,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:49,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-04-24 19:56:49,676 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:49,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413826971] [2025-04-24 19:56:49,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413826971] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:49,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1418300673] [2025-04-24 19:56:49,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:49,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:49,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-04-24 19:56:49,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-04-24 19:56:49,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:49,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:49,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 19:56:49,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:49,942 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-04-24 19:56:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1418300673] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:49,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:49,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-24 19:56:49,943 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:49,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-24 19:56:49,943 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:49,943 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-24 19:56:49,987 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:49,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1453063758, now seen corresponding path program 1 times [2025-04-24 19:56:49,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:49,988 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557428094] [2025-04-24 19:56:49,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:49,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:50,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-04-24 19:56:50,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-04-24 19:56:50,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:50,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 293 proven. 16 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-04-24 19:56:50,332 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:50,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557428094] [2025-04-24 19:56:50,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557428094] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:50,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [591454551] [2025-04-24 19:56:50,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:50,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:50,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-04-24 19:56:50,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-04-24 19:56:50,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:50,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:50,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 19:56:50,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:50,672 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 306 proven. 3 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-04-24 19:56:50,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [591454551] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:50,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:50,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-24 19:56:50,673 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:50,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2025-04-24 19:56:50,673 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:50,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2025-04-24 19:56:50,673 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:50,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2025-04-24 19:56:50,673 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:50,673 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2025-04-24 19:56:50,673 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:50,673 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:56:50,673 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:50,674 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:50,674 INFO L85 PathProgramCache]: Analyzing trace with hash 870863769, now seen corresponding path program 4 times [2025-04-24 19:56:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:50,674 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60713006] [2025-04-24 19:56:50,674 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:56:50,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:50,689 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 276 statements into 2 equivalence classes. [2025-04-24 19:56:50,717 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-04-24 19:56:50,717 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:56:50,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 421 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-24 19:56:51,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:51,027 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60713006] [2025-04-24 19:56:51,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60713006] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:51,027 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478668284] [2025-04-24 19:56:51,027 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:56:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:51,029 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) [2025-04-24 19:56:51,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-24 19:56:51,117 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 276 statements into 2 equivalence classes. [2025-04-24 19:56:51,200 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-04-24 19:56:51,200 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:56:51,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:51,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-24 19:56:51,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:52,360 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 520 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-24 19:56:52,360 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 472 proven. 51 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-24 19:56:53,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478668284] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:53,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:53,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 23, 23] total 52 [2025-04-24 19:56:53,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240058522] [2025-04-24 19:56:53,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:53,154 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-24 19:56:53,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:53,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-24 19:56:53,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=840, Invalid=1812, Unknown=0, NotChecked=0, Total=2652 [2025-04-24 19:56:53,156 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,156 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:53,156 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 12.384615384615385) internal successors, (644), 52 states have internal predecessors, (644), 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) [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,156 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,584 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,585 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:53,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-24 19:56:53,786 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-24 19:56:53,786 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:53,786 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:53,787 INFO L139 ounterexampleChecker]: Examining path program with hash -1709690599, occurence #1 [2025-04-24 19:56:53,787 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:53,787 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:53,787 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:53,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1406356835, now seen corresponding path program 5 times [2025-04-24 19:56:53,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:53,787 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837084839] [2025-04-24 19:56:53,787 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:56:53,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:53,804 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 304 statements into 9 equivalence classes. [2025-04-24 19:56:53,858 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 194 of 304 statements. [2025-04-24 19:56:53,858 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-24 19:56:53,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:53,892 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2025-04-24 19:56:53,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:53,892 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837084839] [2025-04-24 19:56:53,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837084839] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:53,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:53,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:53,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797673854] [2025-04-24 19:56:53,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:53,893 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:53,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:53,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:53,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:53,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,893 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:53,893 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,893 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:53,894 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:53,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:53,973 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-04-24 19:56:53,973 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:53,973 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:53,974 INFO L139 ounterexampleChecker]: Examining path program with hash 88486899, occurence #1 [2025-04-24 19:56:53,974 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:53,974 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:53,974 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:53,974 INFO L85 PathProgramCache]: Analyzing trace with hash -761394289, now seen corresponding path program 6 times [2025-04-24 19:56:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:53,974 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570025286] [2025-04-24 19:56:53,974 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:56:53,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:53,986 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 183 statements into 7 equivalence classes. [2025-04-24 19:56:54,008 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 73 of 183 statements. [2025-04-24 19:56:54,008 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 19:56:54,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-04-24 19:56:54,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:54,094 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570025286] [2025-04-24 19:56:54,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570025286] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:54,094 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022003685] [2025-04-24 19:56:54,094 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:56:54,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:54,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:54,096 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) [2025-04-24 19:56:54,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-24 19:56:54,174 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 183 statements into 7 equivalence classes. [2025-04-24 19:56:54,208 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 73 of 183 statements. [2025-04-24 19:56:54,208 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-24 19:56:54,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:54,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 19:56:54,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:54,353 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-04-24 19:56:54,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-04-24 19:56:54,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022003685] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:54,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:54,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 13 [2025-04-24 19:56:54,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834465512] [2025-04-24 19:56:54,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:54,663 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-24 19:56:54,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:54,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-24 19:56:54,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-04-24 19:56:54,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:54,664 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:54,664 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.923076923076923) internal successors, (142), 13 states have internal predecessors, (142), 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) [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:54,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:54,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,666 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,940 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:54,941 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:54,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-24 19:56:55,141 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-04-24 19:56:55,142 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:55,142 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:55,142 INFO L139 ounterexampleChecker]: Examining path program with hash 88486899, occurence #2 [2025-04-24 19:56:55,142 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:55,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:55,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:55,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 19:56:55,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:55,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 19:56:55,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:55,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 19:56:55,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:55,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 19:56:55,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:55,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:56:55,179 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:55,179 INFO L85 PathProgramCache]: Analyzing trace with hash 2056986218, now seen corresponding path program 1 times [2025-04-24 19:56:55,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:55,180 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249704435] [2025-04-24 19:56:55,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:55,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:55,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-24 19:56:55,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-24 19:56:55,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:55,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:55,225 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:55,225 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:55,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 19:56:55,262 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:55,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1531633313, now seen corresponding path program 1 times [2025-04-24 19:56:55,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:55,262 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082641814] [2025-04-24 19:56:55,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:55,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:55,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-24 19:56:55,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-24 19:56:55,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:55,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:55,302 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:55,302 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:55,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 19:56:55,338 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:55,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1517434382, now seen corresponding path program 1 times [2025-04-24 19:56:55,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:55,339 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522683874] [2025-04-24 19:56:55,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:55,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:55,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-24 19:56:55,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 19:56:55,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:55,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:55,379 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:55,379 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:55,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-24 19:56:55,380 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:55,380 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-24 19:56:55,416 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:55,417 INFO L85 PathProgramCache]: Analyzing trace with hash 795900541, now seen corresponding path program 1 times [2025-04-24 19:56:55,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:55,417 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160883385] [2025-04-24 19:56:55,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:55,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:55,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-24 19:56:55,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-24 19:56:55,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:55,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 55 proven. 73 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-24 19:56:55,790 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:56:55,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160883385] [2025-04-24 19:56:55,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160883385] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:55,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [935492358] [2025-04-24 19:56:55,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:55,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:55,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-24 19:56:55,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-24 19:56:55,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:55,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:55,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-24 19:56:55,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 66 proven. 62 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-24 19:56:56,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [935492358] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:56,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:56:56,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2025-04-24 19:56:56,294 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:56:56,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-24 19:56:56,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:56,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2025-04-24 19:56:56,294 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:56,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2025-04-24 19:56:56,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:56,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-04-24 19:56:56,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:56,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-24 19:56:56,295 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:56,295 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:56:56,295 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:56,295 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:56,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1507393275, now seen corresponding path program 7 times [2025-04-24 19:56:56,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:56,296 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728404956] [2025-04-24 19:56:56,296 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:56:56,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:56,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-04-24 19:56:56,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-04-24 19:56:56,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:56,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 43 proven. 75 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 19:56:56,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:56,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728404956] [2025-04-24 19:56:56,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728404956] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:56,690 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143907283] [2025-04-24 19:56:56,690 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:56:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:56,692 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) [2025-04-24 19:56:56,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-24 19:56:56,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-04-24 19:56:56,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-04-24 19:56:56,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:56,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:56,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-24 19:56:56,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-04-24 19:56:56,884 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-24 19:56:56,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143907283] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:56,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-24 19:56:56,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 18 [2025-04-24 19:56:56,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476603503] [2025-04-24 19:56:56,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:56,885 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-24 19:56:56,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:56,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-24 19:56:56,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-04-24 19:56:56,886 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:56,886 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:56,886 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 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) [2025-04-24 19:56:56,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:56,887 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,124 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:57,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-24 19:56:57,325 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-24 19:56:57,325 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:57,325 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:57,325 INFO L139 ounterexampleChecker]: Examining path program with hash 2071627457, occurence #1 [2025-04-24 19:56:57,325 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:57,325 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:57,326 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:57,326 INFO L85 PathProgramCache]: Analyzing trace with hash 320633839, now seen corresponding path program 8 times [2025-04-24 19:56:57,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:57,326 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311511645] [2025-04-24 19:56:57,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:57,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:57,337 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-24 19:56:57,355 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-24 19:56:57,355 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:56:57,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:57,387 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-04-24 19:56:57,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:57,387 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311511645] [2025-04-24 19:56:57,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311511645] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:56:57,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:56:57,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:56:57,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629706199] [2025-04-24 19:56:57,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:56:57,388 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:56:57,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:57,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:56:57,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:56:57,388 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:57,388 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:57,388 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2025-04-24 19:56:57,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:57,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:57,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:57,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-04-24 19:56:57,438 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:57,438 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:57,438 INFO L139 ounterexampleChecker]: Examining path program with hash 1738003041, occurence #1 [2025-04-24 19:56:57,438 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:57,438 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:57,439 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:57,439 INFO L85 PathProgramCache]: Analyzing trace with hash 596822328, now seen corresponding path program 9 times [2025-04-24 19:56:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:57,439 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001287418] [2025-04-24 19:56:57,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:56:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:57,449 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 7 equivalence classes. [2025-04-24 19:56:57,483 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 98 of 127 statements. [2025-04-24 19:56:57,483 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:56:57,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-24 19:56:57,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:57,605 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001287418] [2025-04-24 19:56:57,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001287418] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:57,605 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665877114] [2025-04-24 19:56:57,605 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:56:57,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:57,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:57,607 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) [2025-04-24 19:56:57,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-24 19:56:57,691 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 127 statements into 7 equivalence classes. [2025-04-24 19:56:57,756 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 98 of 127 statements. [2025-04-24 19:56:57,757 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-24 19:56:57,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:57,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-24 19:56:57,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-24 19:56:57,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-24 19:56:58,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665877114] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:58,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:58,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-24 19:56:58,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067621063] [2025-04-24 19:56:58,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:58,115 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-24 19:56:58,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:58,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-24 19:56:58,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2025-04-24 19:56:58,115 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:58,115 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:58,115 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.61111111111111) internal successors, (155), 18 states have internal predecessors, (155), 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) [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,116 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:58,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:58,324 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:56:58,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-24 19:56:58,525 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:58,525 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:56:58,525 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:58,526 INFO L139 ounterexampleChecker]: Examining path program with hash 1738003041, occurence #2 [2025-04-24 19:56:58,526 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:56:58,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:56:58,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:56:58,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,526 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 19:56:58,526 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,527 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-24 19:56:58,527 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,527 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 19:56:58,527 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,527 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 19:56:58,582 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:58,583 INFO L85 PathProgramCache]: Analyzing trace with hash 26337278, now seen corresponding path program 1 times [2025-04-24 19:56:58,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:58,583 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045149534] [2025-04-24 19:56:58,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:58,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:58,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-24 19:56:58,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-24 19:56:58,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:58,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:58,631 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:58,631 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:58,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 19:56:58,684 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:58,684 INFO L85 PathProgramCache]: Analyzing trace with hash 64864309, now seen corresponding path program 1 times [2025-04-24 19:56:58,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:58,684 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186369499] [2025-04-24 19:56:58,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:58,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-24 19:56:58,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-24 19:56:58,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:58,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:58,738 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:58,738 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:58,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 19:56:58,791 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:58,791 INFO L85 PathProgramCache]: Analyzing trace with hash -37002078, now seen corresponding path program 1 times [2025-04-24 19:56:58,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:58,791 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782023741] [2025-04-24 19:56:58,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:58,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:58,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-04-24 19:56:58,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-24 19:56:58,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:58,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:58,852 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:58,852 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:58,852 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-24 19:56:58,888 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:58,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1915605838, now seen corresponding path program 1 times [2025-04-24 19:56:58,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:56:58,889 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718960700] [2025-04-24 19:56:58,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:56:58,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:58,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-04-24 19:56:58,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-04-24 19:56:58,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:58,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:56:58,945 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:56:58,945 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:56:58,946 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 70 is hopeless, skipping. [2025-04-24 19:56:58,946 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 80 is hopeless, skipping. [2025-04-24 19:56:58,946 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 91 is hopeless, skipping. [2025-04-24 19:56:58,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:56:58,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,946 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 102 is hopeless, skipping. [2025-04-24 19:56:58,946 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2025-04-24 19:56:58,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-24 19:56:58,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-24 19:56:58,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-24 19:56:58,946 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:56:58,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 123 [2025-04-24 19:56:58,947 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:56:58,947 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:56:58,947 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:58,947 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:58,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1016711240, now seen corresponding path program 10 times [2025-04-24 19:56:58,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:58,947 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547923422] [2025-04-24 19:56:58,947 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:56:58,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:58,957 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-04-24 19:56:58,968 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-04-24 19:56:58,968 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:56:58,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 19 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 19:56:59,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:59,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547923422] [2025-04-24 19:56:59,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547923422] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:59,109 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500441544] [2025-04-24 19:56:59,110 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:56:59,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:59,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:59,112 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) [2025-04-24 19:56:59,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-24 19:56:59,203 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-04-24 19:56:59,250 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-04-24 19:56:59,250 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:56:59,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:59,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-24 19:56:59,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 37 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 19:56:59,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-24 19:56:59,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500441544] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:59,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:59,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2025-04-24 19:56:59,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913307314] [2025-04-24 19:56:59,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:59,772 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-24 19:56:59,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:59,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-24 19:56:59,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2025-04-24 19:56:59,773 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:59,773 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:59,773 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 11.833333333333334) internal successors, (213), 18 states have internal predecessors, (213), 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) [2025-04-24 19:56:59,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:59,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,773 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:56:59,774 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,938 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:56:59,939 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:56:59,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-24 19:57:00,139 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2025-04-24 19:57:00,140 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:57:00,140 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:00,140 INFO L139 ounterexampleChecker]: Examining path program with hash 1738003041, occurence #3 [2025-04-24 19:57:00,140 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:57:00,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:57:00,140 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-24 19:57:00,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 19:57:00,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 19:57:00,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 19:57:00,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 19:57:00,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:00,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1294003924, now seen corresponding path program 1 times [2025-04-24 19:57:00,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:00,179 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548816481] [2025-04-24 19:57:00,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:00,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:00,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-24 19:57:00,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-24 19:57:00,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:00,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:00,196 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:00,196 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:00,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 19:57:00,234 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:00,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1726503563, now seen corresponding path program 1 times [2025-04-24 19:57:00,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:00,236 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16607906] [2025-04-24 19:57:00,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:00,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:00,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-24 19:57:00,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-24 19:57:00,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:00,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:00,274 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:00,274 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:00,274 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 19:57:00,313 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:00,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1196840996, now seen corresponding path program 1 times [2025-04-24 19:57:00,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:00,313 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806307270] [2025-04-24 19:57:00,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:00,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:00,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-04-24 19:57:00,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-04-24 19:57:00,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:00,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:00,351 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:00,351 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:00,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-04-24 19:57:00,386 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:00,386 INFO L85 PathProgramCache]: Analyzing trace with hash -633390556, now seen corresponding path program 1 times [2025-04-24 19:57:00,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:00,386 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163683014] [2025-04-24 19:57:00,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:00,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:00,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-04-24 19:57:00,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-04-24 19:57:00,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:00,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:00,417 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:00,417 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:00,417 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 71 is hopeless, skipping. [2025-04-24 19:57:00,417 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 81 is hopeless, skipping. [2025-04-24 19:57:00,417 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2025-04-24 19:57:00,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:57:00,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,417 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 103 is hopeless, skipping. [2025-04-24 19:57:00,418 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 111 is hopeless, skipping. [2025-04-24 19:57:00,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-24 19:57:00,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 19:57:00,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-24 19:57:00,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:00,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-04-24 19:57:00,419 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:00,419 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:57:00,419 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:00,419 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:00,419 INFO L85 PathProgramCache]: Analyzing trace with hash 523434542, now seen corresponding path program 11 times [2025-04-24 19:57:00,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:00,420 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668248283] [2025-04-24 19:57:00,420 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:57:00,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:00,432 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 129 statements into 7 equivalence classes. [2025-04-24 19:57:00,493 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 129 of 129 statements. [2025-04-24 19:57:00,493 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 19:57:00,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:02,273 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 20 proven. 53 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-24 19:57:02,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:02,274 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668248283] [2025-04-24 19:57:02,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668248283] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:02,274 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016531410] [2025-04-24 19:57:02,274 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:57:02,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:02,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:02,276 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) [2025-04-24 19:57:02,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-24 19:57:02,372 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 129 statements into 7 equivalence classes. [2025-04-24 19:57:02,538 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 129 of 129 statements. [2025-04-24 19:57:02,538 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 19:57:02,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:02,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-24 19:57:02,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 19:57:02,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:02,856 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 19:57:02,856 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-24 19:57:02,966 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-04-24 19:57:02,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016531410] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:02,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:02,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 8, 6] total 36 [2025-04-24 19:57:02,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048190274] [2025-04-24 19:57:02,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:02,967 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-24 19:57:02,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:02,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-24 19:57:02,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1188, Unknown=0, NotChecked=0, Total=1332 [2025-04-24 19:57:02,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:02,968 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:02,968 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 5.486486486486487) internal successors, (203), 36 states have internal predecessors, (203), 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) [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:02,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:04,282 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:04,283 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,283 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,283 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:04,284 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:04,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:04,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-24 19:57:04,485 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-24 19:57:04,485 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:57:04,485 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:04,486 INFO L139 ounterexampleChecker]: Examining path program with hash 1321130567, occurence #1 [2025-04-24 19:57:04,486 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:57:04,486 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:04,486 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:04,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1549853012, now seen corresponding path program 12 times [2025-04-24 19:57:04,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:04,486 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508941869] [2025-04-24 19:57:04,486 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:57:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:04,499 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 7 equivalence classes. [2025-04-24 19:57:04,542 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 151 of 195 statements. [2025-04-24 19:57:04,542 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-24 19:57:04,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2025-04-24 19:57:04,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:04,592 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508941869] [2025-04-24 19:57:04,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508941869] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:57:04,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:57:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:57:04,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337996911] [2025-04-24 19:57:04,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:57:04,592 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:57:04,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:04,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:57:04,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:57:04,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:04,593 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:04,593 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2025-04-24 19:57:04,593 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:04,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:04,595 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:04,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:04,657 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-04-24 19:57:04,657 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:57:04,657 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:04,657 INFO L139 ounterexampleChecker]: Examining path program with hash 1541203742, occurence #1 [2025-04-24 19:57:04,657 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:57:04,657 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:04,658 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:04,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1593770939, now seen corresponding path program 13 times [2025-04-24 19:57:04,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:04,658 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371109561] [2025-04-24 19:57:04,658 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:57:04,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:04,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-24 19:57:04,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-24 19:57:04,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:04,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-24 19:57:05,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:05,529 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371109561] [2025-04-24 19:57:05,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371109561] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:05,529 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993088131] [2025-04-24 19:57:05,529 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:57:05,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:05,531 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:57:05,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-24 19:57:05,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-04-24 19:57:05,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-04-24 19:57:05,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:05,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:05,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 19:57:05,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-04-24 19:57:06,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:06,336 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 19:57:06,337 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-24 19:57:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-04-24 19:57:07,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993088131] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:07,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:07,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 31 [2025-04-24 19:57:07,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225182382] [2025-04-24 19:57:07,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:07,186 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-24 19:57:07,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:07,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-24 19:57:07,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2025-04-24 19:57:07,187 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:07,187 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:07,187 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.03225806451613) internal successors, (249), 31 states have internal predecessors, (249), 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) [2025-04-24 19:57:07,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:07,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,187 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:07,188 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:07,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:07,189 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:08,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:08,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:08,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,136 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:08,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-24 19:57:08,337 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:08,337 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:57:08,337 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:08,337 INFO L139 ounterexampleChecker]: Examining path program with hash 1541203742, occurence #2 [2025-04-24 19:57:08,337 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:57:08,337 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:57:08,337 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 19:57:08,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 19:57:08,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 19:57:08,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 19:57:08,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:57:08,379 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:08,379 INFO L85 PathProgramCache]: Analyzing trace with hash 198303607, now seen corresponding path program 1 times [2025-04-24 19:57:08,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:08,379 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987789981] [2025-04-24 19:57:08,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:08,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:08,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-04-24 19:57:08,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-04-24 19:57:08,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:08,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:08,402 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:08,402 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:08,402 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 19:57:08,453 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:08,454 INFO L85 PathProgramCache]: Analyzing trace with hash -828245906, now seen corresponding path program 1 times [2025-04-24 19:57:08,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:08,454 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89754311] [2025-04-24 19:57:08,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:08,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:08,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-04-24 19:57:08,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-04-24 19:57:08,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:08,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:08,488 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:08,488 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:08,489 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:57:08,532 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:08,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1309475543, now seen corresponding path program 1 times [2025-04-24 19:57:08,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:08,533 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357737197] [2025-04-24 19:57:08,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:08,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:08,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-04-24 19:57:08,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-04-24 19:57:08,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:08,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:08,620 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:08,620 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:08,620 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:57:08,669 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:08,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2026475833, now seen corresponding path program 1 times [2025-04-24 19:57:08,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:08,670 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063680389] [2025-04-24 19:57:08,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:08,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:08,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-04-24 19:57:08,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-04-24 19:57:08,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:08,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:57:08,772 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:57:08,772 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:57:08,772 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 74 is hopeless, skipping. [2025-04-24 19:57:08,772 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 84 is hopeless, skipping. [2025-04-24 19:57:08,772 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 95 is hopeless, skipping. [2025-04-24 19:57:08,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-04-24 19:57:08,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,772 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-04-24 19:57:08,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-24 19:57:08,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 116 [2025-04-24 19:57:08,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-24 19:57:08,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:08,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-24 19:57:08,772 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:08,772 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:57:08,772 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:08,773 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:08,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1356441467, now seen corresponding path program 14 times [2025-04-24 19:57:08,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:08,773 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805873538] [2025-04-24 19:57:08,773 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:57:08,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:08,783 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-04-24 19:57:08,825 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-04-24 19:57:08,826 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:57:08,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-24 19:57:09,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:09,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805873538] [2025-04-24 19:57:09,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805873538] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:09,095 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218989113] [2025-04-24 19:57:09,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:57:09,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:09,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:09,097 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:57:09,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-24 19:57:09,210 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-04-24 19:57:09,380 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-04-24 19:57:09,380 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:57:09,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:09,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-24 19:57:09,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-04-24 19:57:09,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:09,551 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 19:57:09,551 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-24 19:57:09,846 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-24 19:57:09,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218989113] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:09,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:09,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 17 [2025-04-24 19:57:09,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680047370] [2025-04-24 19:57:09,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:09,846 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-24 19:57:09,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:09,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-24 19:57:09,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2025-04-24 19:57:09,847 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:09,847 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:09,847 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.882352941176471) internal successors, (185), 17 states have internal predecessors, (185), 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) [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:09,847 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:09,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:09,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:09,848 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:10,512 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:10,512 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,512 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,512 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,512 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:10,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:10,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:10,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:10,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:10,514 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:10,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-24 19:57:10,715 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-04-24 19:57:10,715 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:57:10,715 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:10,715 INFO L139 ounterexampleChecker]: Examining path program with hash 795193183, occurence #1 [2025-04-24 19:57:10,715 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:57:10,715 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:10,715 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:10,715 INFO L85 PathProgramCache]: Analyzing trace with hash 462283973, now seen corresponding path program 15 times [2025-04-24 19:57:10,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:10,716 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111968283] [2025-04-24 19:57:10,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:57:10,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:10,726 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 114 statements into 7 equivalence classes. [2025-04-24 19:57:10,907 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 19:57:10,907 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-24 19:57:10,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:11,158 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-04-24 19:57:11,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:11,159 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111968283] [2025-04-24 19:57:11,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111968283] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:11,159 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454091886] [2025-04-24 19:57:11,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:57:11,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:11,161 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:57:11,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-24 19:57:11,280 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 114 statements into 7 equivalence classes. [2025-04-24 19:57:11,558 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 19:57:11,558 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-04-24 19:57:11,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:11,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-24 19:57:11,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-04-24 19:57:11,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:11,728 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 19:57:11,728 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-24 19:57:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-04-24 19:57:11,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454091886] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:11,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:11,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 7] total 17 [2025-04-24 19:57:11,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829760892] [2025-04-24 19:57:11,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:11,822 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-24 19:57:11,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:11,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-24 19:57:11,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2025-04-24 19:57:11,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:11,822 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:11,822 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.277777777777779) internal successors, (149), 17 states have internal predecessors, (149), 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) [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,822 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:11,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:12,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-24 19:57:12,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-24 19:57:12,559 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2025-04-24 19:57:12,559 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-24 19:57:12,559 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:12,559 INFO L139 ounterexampleChecker]: Examining path program with hash 1443346985, occurence #1 [2025-04-24 19:57:12,559 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:57:12,559 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:12,559 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:12,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1571854433, now seen corresponding path program 16 times [2025-04-24 19:57:12,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:12,559 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312882257] [2025-04-24 19:57:12,560 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:57:12,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:12,569 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 102 statements into 2 equivalence classes. [2025-04-24 19:57:12,638 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 102 of 102 statements. [2025-04-24 19:57:12,638 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:57:12,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-04-24 19:57:12,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:12,868 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312882257] [2025-04-24 19:57:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312882257] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:12,868 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113571069] [2025-04-24 19:57:12,868 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:57:12,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:12,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:12,870 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:57:12,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-24 19:57:12,998 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 102 statements into 2 equivalence classes. [2025-04-24 19:57:13,055 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 102 of 102 statements. [2025-04-24 19:57:13,055 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-24 19:57:13,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:13,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-24 19:57:13,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-24 19:57:13,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:13,197 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-24 19:57:13,197 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2025-04-24 19:57:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-24 19:57:13,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113571069] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:13,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:13,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 8] total 15 [2025-04-24 19:57:13,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906141410] [2025-04-24 19:57:13,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:13,263 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-24 19:57:13,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:13,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-24 19:57:13,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2025-04-24 19:57:13,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:13,264 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:13,264 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 15 states have internal predecessors, (101), 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) [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-24 19:57:13,264 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-24 19:57:28,095 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-24 19:57:28,097 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-04-24 19:57:28,098 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-24 19:57:28,098 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-24 19:57:28,098 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-24 19:57:28,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-24 19:57:28,302 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:28,306 INFO L422 BasicCegarLoop]: Path program histogram: [16, 6, 2, 2, 1] [2025-04-24 19:57:28,307 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-24 19:57:28,307 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-24 19:57:28,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-24 19:57:28,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.04 07:57:28 BasicIcfg [2025-04-24 19:57:28,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-24 19:57:28,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-24 19:57:28,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-24 19:57:28,316 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-24 19:57:28,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:56:39" (3/4) ... [2025-04-24 19:57:28,318 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-24 19:57:28,320 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-04-24 19:57:28,320 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-04-24 19:57:28,320 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-04-24 19:57:28,324 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2025-04-24 19:57:28,324 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2025-04-24 19:57:28,324 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-04-24 19:57:28,325 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-24 19:57:28,390 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-04-24 19:57:28,390 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2025-04-24 19:57:28,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-24 19:57:28,391 INFO L158 Benchmark]: Toolchain (without parser) took 50233.24ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 133.4MB in the beginning and 790.5MB in the end (delta: -657.1MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2025-04-24 19:57:28,391 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 226.5MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 19:57:28,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.53ms. Allocated memory is still 167.8MB. Free memory was 133.4MB in the beginning and 117.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-24 19:57:28,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.60ms. Allocated memory is still 167.8MB. Free memory was 117.8MB in the beginning and 115.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 19:57:28,392 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 113.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-24 19:57:28,392 INFO L158 Benchmark]: RCFGBuilder took 749.25ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 106.0MB in the end (delta: 7.3MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2025-04-24 19:57:28,393 INFO L158 Benchmark]: TraceAbstraction took 49046.15ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 106.0MB in the beginning and 799.3MB in the end (delta: -693.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2025-04-24 19:57:28,394 INFO L158 Benchmark]: Witness Printer took 74.33ms. Allocated memory is still 2.1GB. Free memory was 799.3MB in the beginning and 790.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-24 19:57:28,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 226.5MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.53ms. Allocated memory is still 167.8MB. Free memory was 133.4MB in the beginning and 117.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.60ms. Allocated memory is still 167.8MB. Free memory was 117.8MB in the beginning and 115.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 113.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 749.25ms. Allocated memory is still 167.8MB. Free memory was 113.4MB in the beginning and 106.0MB in the end (delta: 7.3MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * TraceAbstraction took 49046.15ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 106.0MB in the beginning and 799.3MB in the end (delta: -693.2MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 74.33ms. Allocated memory is still 2.1GB. Free memory was 799.3MB in the beginning and 790.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798686, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 135094, dependent conditional: 135071, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668173, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 4581, dependent conditional: 4558, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 668173, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 4581, dependent conditional: 4558, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 739787, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 76195, dependent conditional: 76172, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 739787, independent: 663592, independent conditional: 1192, independent unconditional: 662400, dependent: 76195, dependent conditional: 21533, dependent unconditional: 54662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 739787, independent: 663592, independent conditional: 1192, independent unconditional: 662400, dependent: 76195, dependent conditional: 21533, dependent unconditional: 54662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1913, independent: 1798, independent conditional: 20, independent unconditional: 1778, dependent: 115, dependent conditional: 92, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1913, independent: 1771, independent conditional: 0, independent unconditional: 1771, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 142, independent: 27, independent conditional: 20, independent unconditional: 7, dependent: 115, dependent conditional: 92, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 142, independent: 27, independent conditional: 20, independent unconditional: 7, dependent: 115, dependent conditional: 92, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4152, independent: 913, independent conditional: 618, independent unconditional: 295, dependent: 3239, dependent conditional: 2366, dependent unconditional: 873, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 30, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 739787, independent: 661794, independent conditional: 1172, independent unconditional: 660622, dependent: 76080, dependent conditional: 21441, dependent unconditional: 54639, unknown: 1913, unknown conditional: 112, unknown unconditional: 1801] , Statistics on independence cache: Total cache size (in pairs): 1943, Positive cache size: 1828, Positive conditional cache size: 50, Positive unconditional cache size: 1778, Negative cache size: 115, Negative conditional cache size: 92, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 714019, Maximal queried relation: 21, Independence queries for same thread: 130513, Persistent sets #1 benchmarks: Persistent set computation time: 1.3s, Number of persistent set computation: 1107, Number of trivial persistent sets: 925, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3043, independent: 3020, independent conditional: 0, independent unconditional: 3020, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 798686, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 135094, dependent conditional: 135071, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 668173, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 4581, dependent conditional: 4558, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 668173, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 4581, dependent conditional: 4558, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 739787, independent: 663592, independent conditional: 660572, independent unconditional: 3020, dependent: 76195, dependent conditional: 76172, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 739787, independent: 663592, independent conditional: 1192, independent unconditional: 662400, dependent: 76195, dependent conditional: 21533, dependent unconditional: 54662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 739787, independent: 663592, independent conditional: 1192, independent unconditional: 662400, dependent: 76195, dependent conditional: 21533, dependent unconditional: 54662, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1913, independent: 1798, independent conditional: 20, independent unconditional: 1778, dependent: 115, dependent conditional: 92, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1913, independent: 1771, independent conditional: 0, independent unconditional: 1771, dependent: 142, dependent conditional: 0, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 142, independent: 27, independent conditional: 20, independent unconditional: 7, dependent: 115, dependent conditional: 92, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 142, independent: 27, independent conditional: 20, independent unconditional: 7, dependent: 115, dependent conditional: 92, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4152, independent: 913, independent conditional: 618, independent unconditional: 295, dependent: 3239, dependent conditional: 2366, dependent unconditional: 873, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 30, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 739787, independent: 661794, independent conditional: 1172, independent unconditional: 660622, dependent: 76080, dependent conditional: 21441, dependent unconditional: 54639, unknown: 1913, unknown conditional: 112, unknown unconditional: 1801] , Statistics on independence cache: Total cache size (in pairs): 1943, Positive cache size: 1828, Positive conditional cache size: 50, Positive unconditional cache size: 1778, Negative cache size: 115, Negative conditional cache size: 92, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 714019, Maximal queried relation: 21, Independence queries for same thread: 130513 - PositiveResult [Line: 162]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 76 locations, 106 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 48.9s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 16, EmptinessCheckTime: 23.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 332, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 6697 NumberOfCodeBlocks, 5390 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 8446 ConstructedInterpolants, 2 QuantifiedInterpolants, 33891 SizeOfPredicates, 70 NumberOfNonLiveVariables, 7421 ConjunctsInSsa, 201 ConjunctsInUnsatCore, 51 InterpolantComputations, 16 PerfectInterpolantSequences, 8944/9634 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 2, ConComChecker Statistics: CheckTime [ms]: 5700, ConditionCalculationTime [ms]: 1393, ConditionCalculations: 108, QuantifiedConditions: 0, TraceChecks: 30, UnknownTraceChecks: 0, UnsatisfiedConditions: 23, ImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-24 19:57:28,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE