./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.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/parallel-parallel-sum-1-dsl.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c --- Real Ultimate output --- This is Ultimate 0.3.0-?-44c38e6-m [2025-04-24 19:53:50,460 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 19:53:50,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 19:53:50,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 19:53:50,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 19:53:50,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 19:53:50,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 19:53:50,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 19:53:50,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 19:53:50,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 19:53:50,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 19:53:50,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 19:53:50,535 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 19:53:50,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 19:53:50,536 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:53:50,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 19:53:50,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:53:50,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 19:53:50,537 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 19:53:50,537 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 -> 462fb42b593b74362524fb8209dde3f76380a79de0c48b612eb75bd0eda8df1c [2025-04-24 19:53:50,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 19:53:50,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 19:53:50,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 19:53:50,775 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 19:53:50,775 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 19:53:50,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 19:53:52,041 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64adbb7b0/1501cbb27510465aa65596f62409958a/FLAGbc759445b [2025-04-24 19:53:52,257 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 19:53:52,258 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 19:53:52,265 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64adbb7b0/1501cbb27510465aa65596f62409958a/FLAGbc759445b [2025-04-24 19:53:53,043 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/64adbb7b0/1501cbb27510465aa65596f62409958a [2025-04-24 19:53:53,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 19:53:53,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 19:53:53,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 19:53:53,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 19:53:53,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 19:53:53,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274551b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53, skipping insertion in model container [2025-04-24 19:53:53,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 19:53:53,251 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/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-04-24 19:53:53,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:53:53,271 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 19:53:53,314 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/parallel-parallel-sum-1-dsl.wvr.c[4450,4463] [2025-04-24 19:53:53,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 19:53:53,334 INFO L204 MainTranslator]: Completed translation [2025-04-24 19:53:53,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53 WrapperNode [2025-04-24 19:53:53,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 19:53:53,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 19:53:53,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 19:53:53,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 19:53:53,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,383 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 292 [2025-04-24 19:53:53,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 19:53:53,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 19:53:53,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 19:53:53,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 19:53:53,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,396 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 19:53:53,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 19:53:53,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 19:53:53,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 19:53:53,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (1/1) ... [2025-04-24 19:53:53,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 19:53:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:53:53,441 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 19:53:53,444 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 19:53:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 19:53:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 19:53:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 19:53:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 19:53:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 19:53:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 19:53:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 19:53:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 19:53:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 19:53:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 19:53:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 19:53:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 19:53:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-24 19:53:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-24 19:53:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-24 19:53:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-24 19:53:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 19:53:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 19:53:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 19:53:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 19:53:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 19:53:53,464 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 19:53:53,559 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 19:53:53,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 19:53:53,885 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 19:53:53,885 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 19:53:54,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 19:53:54,151 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-24 19:53:54,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:53:54 BoogieIcfgContainer [2025-04-24 19:53:54,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 19:53:54,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 19:53:54,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 19:53:54,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 19:53:54,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 07:53:53" (1/3) ... [2025-04-24 19:53:54,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c68554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:53:54, skipping insertion in model container [2025-04-24 19:53:54,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 07:53:53" (2/3) ... [2025-04-24 19:53:54,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c68554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 07:53:54, skipping insertion in model container [2025-04-24 19:53:54,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 07:53:54" (3/3) ... [2025-04-24 19:53:54,158 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 19:53:54,169 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 19:53:54,171 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-1-dsl.wvr.c that has 7 procedures, 66 locations, 68 edges, 1 initial locations, 5 loop locations, and 1 error locations. [2025-04-24 19:53:54,171 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 19:53:54,247 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-24 19:53:54,285 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:53:54,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 19:53:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:53:54,288 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 19:53:54,290 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 19:53:54,372 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:53:54,385 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork0 ======== [2025-04-24 19:53:54,391 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;@6e829d03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:53:54,391 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-24 19:53:55,493 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-24 19:53:55,494 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-24 19:53:55,499 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-24 19:53:55,503 INFO L320 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork0 was SAFE,SAFE (1/3) [2025-04-24 19:53:55,507 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:53:55,510 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 19:53:55,510 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 19:53:55,511 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;@6e829d03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 19:53:55,511 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 19:53:55,539 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:53:55,540 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:55,540 INFO L139 ounterexampleChecker]: Examining path program with hash 1600052680, occurence #1 [2025-04-24 19:53:55,540 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:53:55,540 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:55,543 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:55,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1270390664, now seen corresponding path program 1 times [2025-04-24 19:53:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:55,549 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800882019] [2025-04-24 19:53:55,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:55,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:55,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-24 19:53:55,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-24 19:53:55,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:55,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:55,738 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 19:53:55,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:55,738 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800882019] [2025-04-24 19:53:55,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800882019] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:53:55,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:53:55,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 19:53:55,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284102059] [2025-04-24 19:53:55,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:53:55,745 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 19:53:55,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:55,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 19:53:55,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 19:53:55,761 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:55,762 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:55,765 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 19:53:55,765 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:56,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:56,538 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 19:53:56,539 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:53:56,539 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:56,539 INFO L139 ounterexampleChecker]: Examining path program with hash -180346187, occurence #1 [2025-04-24 19:53:56,539 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:53:56,539 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:56,539 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:56,539 INFO L85 PathProgramCache]: Analyzing trace with hash -885745993, now seen corresponding path program 1 times [2025-04-24 19:53:56,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:56,540 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685323750] [2025-04-24 19:53:56,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:56,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:56,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-24 19:53:56,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-24 19:53:56,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:56,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:56,933 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 19:53:56,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:56,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685323750] [2025-04-24 19:53:56,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685323750] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:53:56,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:53:56,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 19:53:56,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068485314] [2025-04-24 19:53:56,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:53:56,935 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 19:53:56,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:56,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 19:53:56,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 19:53:56,936 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:56,937 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:56,938 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 19:53:56,938 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:56,938 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,229 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,230 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:53:57,230 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 19:53:57,230 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:53:57,230 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:57,230 INFO L139 ounterexampleChecker]: Examining path program with hash -558510486, occurence #1 [2025-04-24 19:53:57,230 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:53:57,230 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:57,230 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:57,231 INFO L85 PathProgramCache]: Analyzing trace with hash -388202200, now seen corresponding path program 2 times [2025-04-24 19:53:57,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:57,231 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132982063] [2025-04-24 19:53:57,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:53:57,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:57,251 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 1 equivalence classes. [2025-04-24 19:53:57,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 19:53:57,313 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:53:57,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:57,604 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 19:53:57,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:57,604 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132982063] [2025-04-24 19:53:57,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132982063] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:53:57,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:53:57,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 19:53:57,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931585232] [2025-04-24 19:53:57,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:53:57,604 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 19:53:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:57,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 19:53:57,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 19:53:57,605 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,605 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:57,605 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-24 19:53:57,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:53:57,605 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:57,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:53:57,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:53:57,854 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 19:53:57,854 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:53:57,854 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:53:57,855 INFO L139 ounterexampleChecker]: Examining path program with hash -558510486, occurence #2 [2025-04-24 19:53:57,855 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:53:57,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:53:57,856 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:57,856 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 19:53:57,875 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:57,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 19:53:57,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:57,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 19:53:57,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:57,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 19:53:57,877 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:57,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 19:53:57,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:57,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 19:53:57,877 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:57,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 19:53:57,908 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1712494026, now seen corresponding path program 1 times [2025-04-24 19:53:57,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:57,909 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033418590] [2025-04-24 19:53:57,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:57,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:57,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-24 19:53:57,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-24 19:53:57,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:57,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,096 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:58,096 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033418590] [2025-04-24 19:53:58,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033418590] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,097 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1682989929] [2025-04-24 19:53:58,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-24 19:53:58,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-24 19:53:58,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:58,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1682989929] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:58,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 19:53:58,241 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:58,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:53:58,257 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:58,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1402524594, now seen corresponding path program 1 times [2025-04-24 19:53:58,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:58,257 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637864495] [2025-04-24 19:53:58,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-24 19:53:58,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-24 19:53:58,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,409 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:58,409 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637864495] [2025-04-24 19:53:58,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637864495] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,409 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [421580314] [2025-04-24 19:53:58,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-24 19:53:58,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-24 19:53:58,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:58,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [421580314] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:58,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 19:53:58,518 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:58,518 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 19:53:58,536 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -419739119, now seen corresponding path program 1 times [2025-04-24 19:53:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:58,537 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162791594] [2025-04-24 19:53:58,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-24 19:53:58,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-24 19:53:58,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,721 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:58,721 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162791594] [2025-04-24 19:53:58,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162791594] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,721 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1704783061] [2025-04-24 19:53:58,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-24 19:53:58,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-24 19:53:58,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:58,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:58,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:58,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1704783061] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:58,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:58,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 19:53:58,838 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:58,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-24 19:53:58,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:58,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 19:53:58,868 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:58,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1997666354, now seen corresponding path program 1 times [2025-04-24 19:53:58,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:53:58,868 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659759912] [2025-04-24 19:53:58,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:58,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-24 19:53:58,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 19:53:58,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:58,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,052 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:53:59,052 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659759912] [2025-04-24 19:53:59,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659759912] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:59,052 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [914426180] [2025-04-24 19:53:59,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:59,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:59,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-24 19:53:59,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 19:53:59,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:59,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:59,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:59,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [914426180] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:59,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:53:59,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 19:53:59,183 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:53:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 19:53:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 19:53:59,183 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-24 19:53:59,183 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:59,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-24 19:53:59,184 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:53:59,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 19:53:59,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:59,184 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-24 19:53:59,184 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:53:59,184 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:53:59,184 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:53:59,184 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:53:59,184 INFO L85 PathProgramCache]: Analyzing trace with hash -720597434, now seen corresponding path program 1 times [2025-04-24 19:53:59,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:53:59,184 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036530656] [2025-04-24 19:53:59,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:59,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:53:59,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-24 19:53:59,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-24 19:53:59,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:59,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:53:59,380 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036530656] [2025-04-24 19:53:59,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036530656] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:53:59,380 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630245030] [2025-04-24 19:53:59,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:53:59,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:53:59,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:53:59,382 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 19:53:59,384 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 19:53:59,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-24 19:53:59,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-24 19:53:59,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:53:59,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:53:59,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 19:53:59,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:53:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:53:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:53:59,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630245030] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:53:59,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:53:59,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-24 19:53:59,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590120034] [2025-04-24 19:53:59,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:53:59,722 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 19:53:59,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:53:59,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 19:53:59,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-04-24 19:53:59,722 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:59,722 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:53:59,723 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.833333333333334) internal successors, (118), 11 states have internal predecessors, (118), 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 19:53:59,723 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:53:59,723 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:53:59,723 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:53:59,723 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:00,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:00,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:00,054 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:00,055 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:00,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-24 19:54:00,255 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2025-04-24 19:54:00,256 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:00,256 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:00,257 INFO L139 ounterexampleChecker]: Examining path program with hash -558510486, occurence #3 [2025-04-24 19:54:00,258 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:00,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:00,258 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,258 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 19:54:00,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:00,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 19:54:00,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 19:54:00,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 19:54:00,259 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:00,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 19:54:00,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 19:54:00,260 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:00,260 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 19:54:00,285 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:00,285 INFO L85 PathProgramCache]: Analyzing trace with hash -401250456, now seen corresponding path program 1 times [2025-04-24 19:54:00,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:00,286 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660179872] [2025-04-24 19:54:00,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:00,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:00,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-24 19:54:00,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 19:54:00,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:00,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:00,523 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:00,523 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660179872] [2025-04-24 19:54:00,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660179872] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:00,523 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [144810935] [2025-04-24 19:54:00,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:00,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:00,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-24 19:54:00,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 19:54:00,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:00,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:00,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 19:54:00,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:00,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [144810935] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:00,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:00,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2025-04-24 19:54:00,804 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:00,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:54:00,820 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:00,820 INFO L85 PathProgramCache]: Analyzing trace with hash 2112842368, now seen corresponding path program 1 times [2025-04-24 19:54:00,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:00,820 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731575482] [2025-04-24 19:54:00,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:00,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:00,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-24 19:54:00,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-24 19:54:00,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:00,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:01,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:01,075 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:01,075 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731575482] [2025-04-24 19:54:01,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731575482] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:01,075 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [928277913] [2025-04-24 19:54:01,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:01,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:01,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-24 19:54:01,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-24 19:54:01,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:01,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:01,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-24 19:54:01,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:01,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [928277913] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:01,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:01,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-04-24 19:54:01,388 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:01,388 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 19:54:01,406 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:01,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1076857923, now seen corresponding path program 1 times [2025-04-24 19:54:01,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:01,406 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667933565] [2025-04-24 19:54:01,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:01,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:01,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-24 19:54:01,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 19:54:01,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:01,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:01,792 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:01,792 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667933565] [2025-04-24 19:54:01,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667933565] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:01,793 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1524717775] [2025-04-24 19:54:01,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:01,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:01,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-24 19:54:01,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 19:54:01,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:01,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:01,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 19:54:01,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:02,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1524717775] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:02,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:02,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2025-04-24 19:54:02,257 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:02,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-24 19:54:02,257 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:02,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 19:54:02,283 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:02,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1920020196, now seen corresponding path program 1 times [2025-04-24 19:54:02,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:02,283 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875848744] [2025-04-24 19:54:02,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:02,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:02,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-24 19:54:02,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-24 19:54:02,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:02,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:02,760 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:02,760 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875848744] [2025-04-24 19:54:02,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875848744] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:02,760 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1506575439] [2025-04-24 19:54:02,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:02,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:02,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-24 19:54:02,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-24 19:54:02,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:02,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:02,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-24 19:54:02,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:03,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1506575439] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:03,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:03,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2025-04-24 19:54:03,316 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:03,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-24 19:54:03,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 19:54:03,316 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-24 19:54:03,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-24 19:54:03,316 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:03,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-24 19:54:03,316 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 19:54:03,316 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:03,316 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:03,316 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:03,316 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:03,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1860052200, now seen corresponding path program 2 times [2025-04-24 19:54:03,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:03,317 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495248972] [2025-04-24 19:54:03,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:03,327 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-04-24 19:54:03,338 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 116 statements. [2025-04-24 19:54:03,338 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 19:54:03,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-24 19:54:03,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:03,591 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495248972] [2025-04-24 19:54:03,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495248972] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 19:54:03,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 19:54:03,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 19:54:03,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543349734] [2025-04-24 19:54:03,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 19:54:03,591 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 19:54:03,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:03,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 19:54:03,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-04-24 19:54:03,592 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,592 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:03,592 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.363636363636363) internal successors, (92), 11 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 19:54:03,592 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,592 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:03,592 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:03,592 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:03,592 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:03,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:03,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:03,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:03,996 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:03,996 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 19:54:03,996 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:03,996 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:03,997 INFO L139 ounterexampleChecker]: Examining path program with hash -1107174539, occurence #1 [2025-04-24 19:54:03,997 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:03,997 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:03,997 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:03,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1980980698, now seen corresponding path program 3 times [2025-04-24 19:54:03,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:03,997 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995375231] [2025-04-24 19:54:03,997 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:03,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:04,011 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-24 19:54:04,284 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-24 19:54:04,285 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 19:54:04,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:05,884 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 72 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:05,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:05,885 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995375231] [2025-04-24 19:54:05,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995375231] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:05,885 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971350558] [2025-04-24 19:54:05,885 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:05,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:05,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:05,887 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 19:54:05,889 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 19:54:05,992 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-24 19:54:06,096 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-24 19:54:06,096 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 19:54:06,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:06,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 19:54:06,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:06,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:07,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971350558] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:07,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:07,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 19, 19] total 75 [2025-04-24 19:54:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135854097] [2025-04-24 19:54:07,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:07,258 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-04-24 19:54:07,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:07,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-04-24 19:54:07,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=4570, Unknown=0, NotChecked=0, Total=5700 [2025-04-24 19:54:07,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:07,261 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:07,262 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.184210526315789) internal successors, (470), 75 states have internal predecessors, (470), 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 19:54:07,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:07,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:07,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:07,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:07,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:07,262 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:07,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:07,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:07,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:07,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:07,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:07,830 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:07,838 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 19:54:08,034 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:08,034 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:08,034 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:08,035 INFO L139 ounterexampleChecker]: Examining path program with hash -1107174539, occurence #2 [2025-04-24 19:54:08,035 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:08,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:08,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:08,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 19:54:08,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:08,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 19:54:08,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:08,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 19:54:08,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:08,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 19:54:08,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:08,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 19:54:08,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:08,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 19:54:08,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:08,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 19:54:08,057 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:08,057 INFO L85 PathProgramCache]: Analyzing trace with hash 854060805, now seen corresponding path program 1 times [2025-04-24 19:54:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:08,058 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416363935] [2025-04-24 19:54:08,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:08,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-04-24 19:54:08,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-04-24 19:54:08,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:08,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:08,083 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:08,084 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:08,084 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 19:54:08,094 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:08,094 INFO L85 PathProgramCache]: Analyzing trace with hash -304757680, now seen corresponding path program 1 times [2025-04-24 19:54:08,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:08,095 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925787110] [2025-04-24 19:54:08,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:08,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:08,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-24 19:54:08,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-24 19:54:08,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:08,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:08,597 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:08,597 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925787110] [2025-04-24 19:54:08,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925787110] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:08,597 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [141571192] [2025-04-24 19:54:08,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:08,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:08,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-24 19:54:08,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-24 19:54:08,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:08,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:08,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 19:54:08,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:09,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [141571192] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:09,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:09,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-04-24 19:54:09,329 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:09,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-24 19:54:09,340 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:09,340 INFO L85 PathProgramCache]: Analyzing trace with hash 40977117, now seen corresponding path program 1 times [2025-04-24 19:54:09,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:09,340 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224090096] [2025-04-24 19:54:09,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:09,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:09,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-24 19:54:09,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-24 19:54:09,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:09,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:10,332 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:10,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224090096] [2025-04-24 19:54:10,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224090096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:10,332 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1113913912] [2025-04-24 19:54:10,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:10,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:10,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-24 19:54:10,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-24 19:54:10,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:10,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:10,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 19:54:10,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:11,738 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:11,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1113913912] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:11,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:11,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2025-04-24 19:54:11,739 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:11,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-24 19:54:11,739 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:11,739 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-04-24 19:54:11,768 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash 410454270, now seen corresponding path program 1 times [2025-04-24 19:54:11,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:11,768 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707526387] [2025-04-24 19:54:11,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:11,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:11,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-24 19:54:11,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-24 19:54:11,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:11,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 72 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:12,855 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:12,855 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707526387] [2025-04-24 19:54:12,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707526387] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:12,855 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1344258581] [2025-04-24 19:54:12,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:12,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:12,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-24 19:54:12,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-24 19:54:12,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:12,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:12,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-04-24 19:54:12,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 117 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:14,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1344258581] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:14,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:14,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 38] total 77 [2025-04-24 19:54:14,244 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:14,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-24 19:54:14,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:14,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-24 19:54:14,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:14,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-24 19:54:14,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:14,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 19:54:14,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:14,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 19:54:14,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:14,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-24 19:54:14,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:14,244 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:14,244 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:14,244 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:14,244 INFO L85 PathProgramCache]: Analyzing trace with hash 262281638, now seen corresponding path program 4 times [2025-04-24 19:54:14,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:14,245 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559632029] [2025-04-24 19:54:14,245 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:14,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:14,260 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-24 19:54:14,268 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 109 of 184 statements. [2025-04-24 19:54:14,268 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:14,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 67 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-04-24 19:54:14,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:14,500 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559632029] [2025-04-24 19:54:14,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559632029] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:14,500 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860259742] [2025-04-24 19:54:14,500 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:14,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:14,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:14,502 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 19:54:14,503 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 19:54:14,586 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-24 19:54:14,621 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 109 of 184 statements. [2025-04-24 19:54:14,621 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:14,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:14,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-24 19:54:14,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-24 19:54:15,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:15,320 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 19 proven. 68 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-04-24 19:54:15,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860259742] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:15,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:15,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 34, 8] total 43 [2025-04-24 19:54:15,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958387897] [2025-04-24 19:54:15,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:15,321 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-24 19:54:15,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:15,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-24 19:54:15,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2025-04-24 19:54:15,322 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:15,322 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:15,323 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.627906976744186) internal successors, (285), 43 states have internal predecessors, (285), 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 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:15,323 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:16,620 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:16,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-24 19:54:16,821 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-24 19:54:16,821 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:16,821 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:16,821 INFO L139 ounterexampleChecker]: Examining path program with hash -1254825955, occurence #1 [2025-04-24 19:54:16,821 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:16,821 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:16,822 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:16,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1859763528, now seen corresponding path program 5 times [2025-04-24 19:54:16,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:16,822 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814062055] [2025-04-24 19:54:16,822 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:16,841 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-24 19:54:16,921 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-24 19:54:16,921 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 19:54:16,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:17,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:17,657 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814062055] [2025-04-24 19:54:17,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814062055] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:17,657 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497142592] [2025-04-24 19:54:17,657 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:54:17,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:17,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:17,659 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 19:54:17,661 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 19:54:17,748 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-24 19:54:17,998 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-24 19:54:17,998 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 19:54:17,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:18,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-24 19:54:18,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:18,777 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 397 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:19,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497142592] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:19,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:19,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 29] total 83 [2025-04-24 19:54:19,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375145553] [2025-04-24 19:54:19,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:19,449 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-04-24 19:54:19,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:19,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-04-24 19:54:19,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=5487, Unknown=0, NotChecked=0, Total=6972 [2025-04-24 19:54:19,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:19,453 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:19,454 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.880952380952381) internal successors, (578), 83 states have internal predecessors, (578), 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 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:19,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:19,878 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:19,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:19,887 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 19:54:20,079 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-04-24 19:54:20,080 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:20,080 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:20,080 INFO L139 ounterexampleChecker]: Examining path program with hash -1254825955, occurence #2 [2025-04-24 19:54:20,080 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:20,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:20,080 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 19:54:20,080 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:20,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 19:54:20,080 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 19:54:20,080 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 19:54:20,080 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:20,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 19:54:20,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 19:54:20,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:20,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-24 19:54:20,090 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:20,090 INFO L85 PathProgramCache]: Analyzing trace with hash 176555976, now seen corresponding path program 1 times [2025-04-24 19:54:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:20,091 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87996234] [2025-04-24 19:54:20,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:20,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-04-24 19:54:20,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-04-24 19:54:20,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:20,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:20,182 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:20,183 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:20,183 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-24 19:54:20,194 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:20,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1926347807, now seen corresponding path program 1 times [2025-04-24 19:54:20,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:20,194 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131224925] [2025-04-24 19:54:20,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:20,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:20,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-24 19:54:20,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-24 19:54:20,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:20,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 128 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:20,975 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:54:20,975 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131224925] [2025-04-24 19:54:20,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131224925] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:20,975 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [829274912] [2025-04-24 19:54:20,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:20,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-24 19:54:21,010 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-24 19:54:21,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:21,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:21,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-24 19:54:21,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 140 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:21,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [829274912] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:21,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:54:21,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2025-04-24 19:54:21,734 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:54:21,734 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-04-24 19:54:21,734 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,734 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-04-24 19:54:21,734 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,734 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-24 19:54:21,735 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-24 19:54:21,735 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:21,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-24 19:54:21,735 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:21,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 19:54:21,735 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:21,735 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-24 19:54:21,735 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:21,735 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:21,735 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:21,735 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:21,736 INFO L85 PathProgramCache]: Analyzing trace with hash 653421640, now seen corresponding path program 6 times [2025-04-24 19:54:21,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:21,736 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212408478] [2025-04-24 19:54:21,736 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:54:21,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:21,755 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 8 equivalence classes. [2025-04-24 19:54:22,130 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 19:54:22,130 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-24 19:54:22,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 307 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:24,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:24,254 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212408478] [2025-04-24 19:54:24,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212408478] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:24,254 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971916349] [2025-04-24 19:54:24,254 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:54:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:24,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:24,255 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 19:54:24,256 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 19:54:24,352 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 8 equivalence classes. [2025-04-24 19:54:24,687 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 19:54:24,687 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-24 19:54:24,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:24,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 19:54:24,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 397 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:25,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 397 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:27,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971916349] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:27,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:27,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 37, 37] total 131 [2025-04-24 19:54:27,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288538182] [2025-04-24 19:54:27,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:27,102 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-04-24 19:54:27,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:27,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-04-24 19:54:27,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2915, Invalid=14377, Unknown=0, NotChecked=0, Total=17292 [2025-04-24 19:54:27,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:27,107 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:27,108 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 4.848484848484849) internal successors, (640), 131 states have internal predecessors, (640), 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 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:27,108 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:27,596 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:27,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-24 19:54:27,797 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2025-04-24 19:54:27,797 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:27,797 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:27,797 INFO L139 ounterexampleChecker]: Examining path program with hash -1254825955, occurence #3 [2025-04-24 19:54:27,797 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:27,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:27,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 19:54:27,797 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:27,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 19:54:27,797 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,797 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 19:54:27,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 19:54:27,798 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:27,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 19:54:27,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 19:54:27,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:27,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 19:54:27,809 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:27,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1323226440, now seen corresponding path program 1 times [2025-04-24 19:54:27,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:27,809 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156469696] [2025-04-24 19:54:27,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:27,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-24 19:54:27,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-24 19:54:27,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:27,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:27,896 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:27,896 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:27,896 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-24 19:54:27,907 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:27,907 INFO L85 PathProgramCache]: Analyzing trace with hash -952803631, now seen corresponding path program 1 times [2025-04-24 19:54:27,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:27,908 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3927928] [2025-04-24 19:54:27,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:27,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:27,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-24 19:54:28,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-24 19:54:28,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:28,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:28,021 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:28,021 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-24 19:54:28,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-24 19:54:28,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-24 19:54:28,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 19:54:28,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 19:54:28,022 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-24 19:54:28,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:28,022 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-24 19:54:28,022 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:28,022 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:28,023 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:28,023 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:28,023 INFO L85 PathProgramCache]: Analyzing trace with hash 61735846, now seen corresponding path program 7 times [2025-04-24 19:54:28,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:28,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586185120] [2025-04-24 19:54:28,023 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:54:28,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:28,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-04-24 19:54:28,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-04-24 19:54:28,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:28,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 379 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:29,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:29,360 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586185120] [2025-04-24 19:54:29,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586185120] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:29,360 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769566058] [2025-04-24 19:54:29,360 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:54:29,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:29,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:29,362 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 19:54:29,364 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 19:54:29,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-04-24 19:54:29,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-04-24 19:54:29,621 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:29,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:29,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-04-24 19:54:29,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 397 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:30,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 397 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:31,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769566058] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:31,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:31,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 112 [2025-04-24 19:54:31,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299416805] [2025-04-24 19:54:31,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:31,884 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-04-24 19:54:31,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:31,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-04-24 19:54:31,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=9758, Unknown=0, NotChecked=0, Total=12656 [2025-04-24 19:54:31,888 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:31,888 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:31,888 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 4.336283185840708) internal successors, (490), 112 states have internal predecessors, (490), 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 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:31,888 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:32,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:32,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:32,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:32,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:32,253 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:32,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:32,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:32,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:32,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:32,254 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:54:32,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-24 19:54:32,454 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,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2025-04-24 19:54:32,455 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:32,455 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:32,455 INFO L139 ounterexampleChecker]: Examining path program with hash -1254825955, occurence #4 [2025-04-24 19:54:32,455 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:32,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 19:54:32,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 19:54:32,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 19:54:32,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 19:54:32,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 19:54:32,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 19:54:32,455 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-24 19:54:32,469 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:32,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1104578340, now seen corresponding path program 1 times [2025-04-24 19:54:32,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:32,469 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889754062] [2025-04-24 19:54:32,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:32,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:32,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-24 19:54:32,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-24 19:54:32,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:32,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:32,545 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:32,546 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:32,546 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-24 19:54:32,557 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:32,558 INFO L85 PathProgramCache]: Analyzing trace with hash 785233141, now seen corresponding path program 1 times [2025-04-24 19:54:32,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:32,558 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758878098] [2025-04-24 19:54:32,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:32,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:32,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-24 19:54:32,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-24 19:54:32,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:32,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:32,765 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:32,766 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-24 19:54:32,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-24 19:54:32,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-04-24 19:54:32,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-04-24 19:54:32,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-24 19:54:32,766 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-24 19:54:32,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:32,766 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-24 19:54:32,766 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:32,766 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:32,766 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:32,767 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:32,767 INFO L85 PathProgramCache]: Analyzing trace with hash 250354504, now seen corresponding path program 8 times [2025-04-24 19:54:32,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:32,767 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296876761] [2025-04-24 19:54:32,767 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:32,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:32,790 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-24 19:54:32,833 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 240 of 240 statements. [2025-04-24 19:54:32,835 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:32,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:34,351 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 210 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:34,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:34,351 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296876761] [2025-04-24 19:54:34,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296876761] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:34,351 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650743616] [2025-04-24 19:54:34,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:54:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:34,353 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 19:54:34,355 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 19:54:34,484 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-24 19:54:34,582 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 240 of 240 statements. [2025-04-24 19:54:34,582 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:54:34,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:34,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-04-24 19:54:34,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 397 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:36,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:37,951 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 397 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:37,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650743616] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:37,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:37,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 47] total 136 [2025-04-24 19:54:37,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067823919] [2025-04-24 19:54:37,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:37,952 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2025-04-24 19:54:37,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:37,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2025-04-24 19:54:37,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2740, Invalid=15892, Unknown=0, NotChecked=0, Total=18632 [2025-04-24 19:54:37,958 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:37,958 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:37,958 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 4.839416058394161) internal successors, (663), 136 states have internal predecessors, (663), 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 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:54:37,958 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:40,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:54:40,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:40,051 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 19:54:40,244 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:40,245 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:40,245 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:40,245 INFO L139 ounterexampleChecker]: Examining path program with hash -1037294258, occurence #1 [2025-04-24 19:54:40,245 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:54:40,245 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:40,245 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash 383762219, now seen corresponding path program 9 times [2025-04-24 19:54:40,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:40,246 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472760272] [2025-04-24 19:54:40,246 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:40,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:40,269 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 357 statements into 15 equivalence classes. [2025-04-24 19:54:41,347 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 357 of 357 statements. [2025-04-24 19:54:41,347 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 19:54:41,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1516 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:46,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:46,714 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472760272] [2025-04-24 19:54:46,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472760272] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:46,714 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859883731] [2025-04-24 19:54:46,714 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:54:46,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:46,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:46,716 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 19:54:46,718 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 19:54:46,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 357 statements into 15 equivalence classes. [2025-04-24 19:54:49,199 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 357 of 357 statements. [2025-04-24 19:54:49,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 19:54:49,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:49,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-24 19:54:49,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:51,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1726 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:51,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:54,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 1726 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:54:54,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859883731] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:54,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:54,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 61, 61] total 217 [2025-04-24 19:54:54,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619207386] [2025-04-24 19:54:54,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:54,962 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2025-04-24 19:54:54,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:54,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2025-04-24 19:54:54,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8018, Invalid=39288, Unknown=0, NotChecked=0, Total=47306 [2025-04-24 19:54:54,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:54,968 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:54,969 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 218 states, 218 states have (on average 4.610091743119266) internal successors, (1005), 217 states have internal predecessors, (1005), 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 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:54,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:55,485 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:54:55,502 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 19:54:55,686 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:55,687 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:54:55,687 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:54:55,687 INFO L139 ounterexampleChecker]: Examining path program with hash -1037294258, occurence #2 [2025-04-24 19:54:55,687 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:54:55,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:54:55,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 19:54:55,687 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:55,687 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-24 19:54:55,687 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 19:54:55,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 19:54:55,688 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:55,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:54:55,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:54:55,688 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:55,688 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-04-24 19:54:55,698 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1043304551, now seen corresponding path program 1 times [2025-04-24 19:54:55,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:55,699 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662997218] [2025-04-24 19:54:55,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:55,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:55,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-04-24 19:54:56,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-04-24 19:54:56,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:56,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:56,057 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:56,057 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:56,057 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-24 19:54:56,072 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:56,072 INFO L85 PathProgramCache]: Analyzing trace with hash 527115492, now seen corresponding path program 1 times [2025-04-24 19:54:56,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:54:56,072 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197153086] [2025-04-24 19:54:56,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:54:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:56,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-24 19:54:56,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-24 19:54:56,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:54:56,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:54:56,456 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:54:56,456 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2025-04-24 19:54:56,457 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2025-04-24 19:54:56,457 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2025-04-24 19:54:56,457 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2025-04-24 19:54:56,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2025-04-24 19:54:56,457 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-04-24 19:54:56,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:56,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2025-04-24 19:54:56,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:54:56,458 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:54:56,458 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:54:56,458 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:54:56,459 INFO L85 PathProgramCache]: Analyzing trace with hash -889389107, now seen corresponding path program 10 times [2025-04-24 19:54:56,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:54:56,459 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089642163] [2025-04-24 19:54:56,459 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:56,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:54:56,487 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-04-24 19:54:56,504 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 370 statements. [2025-04-24 19:54:56,504 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:56,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:57,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 153 proven. 454 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2025-04-24 19:54:57,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:54:57,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089642163] [2025-04-24 19:54:57,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089642163] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:54:57,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007174921] [2025-04-24 19:54:57,418 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:54:57,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:54:57,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:54:57,420 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 19:54:57,421 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 19:54:57,574 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-04-24 19:54:57,621 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 187 of 370 statements. [2025-04-24 19:54:57,621 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:54:57,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:54:57,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-04-24 19:54:57,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:54:59,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 0 proven. 1726 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2025-04-24 19:54:59,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:54:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2392 backedges. 153 proven. 454 refuted. 0 times theorem prover too weak. 1785 trivial. 0 not checked. [2025-04-24 19:54:59,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007174921] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:54:59,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:54:59,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 75, 9] total 81 [2025-04-24 19:54:59,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049233004] [2025-04-24 19:54:59,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:54:59,436 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-24 19:54:59,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:54:59,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-24 19:54:59,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=5934, Unknown=0, NotChecked=0, Total=6480 [2025-04-24 19:54:59,437 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:59,437 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:54:59,438 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 4.888888888888889) internal successors, (396), 81 states have internal predecessors, (396), 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 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:54:59,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:54:59,439 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:54:59,439 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 19:54:59,439 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:55:04,721 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:55:04,722 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:55:04,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-24 19:55:04,922 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,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44 [2025-04-24 19:55:04,922 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:04,922 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:04,923 INFO L139 ounterexampleChecker]: Examining path program with hash -1626404719, occurence #1 [2025-04-24 19:55:04,923 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:55:04,923 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:04,923 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:04,923 INFO L85 PathProgramCache]: Analyzing trace with hash 157538646, now seen corresponding path program 11 times [2025-04-24 19:55:04,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:04,923 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672253529] [2025-04-24 19:55:04,923 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:55:04,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:04,957 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 438 statements into 19 equivalence classes. [2025-04-24 19:55:05,457 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 438 of 438 statements. [2025-04-24 19:55:05,458 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-24 19:55:05,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:09,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2310 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:09,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:09,731 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672253529] [2025-04-24 19:55:09,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672253529] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:09,731 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817783332] [2025-04-24 19:55:09,731 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:55:09,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:09,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:09,732 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 19:55:09,733 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 19:55:09,908 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 438 statements into 19 equivalence classes. [2025-04-24 19:55:38,319 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 438 of 438 statements. [2025-04-24 19:55:38,319 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-24 19:55:38,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:38,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 77 conjuncts are in the unsatisfiable core [2025-04-24 19:55:38,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:55:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2275 proven. 666 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-24 19:55:41,123 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:55:44,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 2275 proven. 666 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-04-24 19:55:44,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817783332] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:55:44,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:55:44,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 75, 75] total 227 [2025-04-24 19:55:44,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165662947] [2025-04-24 19:55:44,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:55:44,693 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2025-04-24 19:55:44,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:55:44,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2025-04-24 19:55:44,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8752, Invalid=43004, Unknown=0, NotChecked=0, Total=51756 [2025-04-24 19:55:44,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:44,698 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:55:44,699 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 4.912280701754386) internal successors, (1120), 227 states have internal predecessors, (1120), 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 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:55:44,699 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:55:44,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:55:44,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:55:44,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:55:45,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:55:45,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-24 19:55:45,657 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:45,657 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:55:45,657 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:55:45,657 INFO L139 ounterexampleChecker]: Examining path program with hash -1626404719, occurence #2 [2025-04-24 19:55:45,657 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:55:45,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:55:45,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 19:55:45,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 19:55:45,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 19:55:45,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 19:55:45,658 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 19:55:45,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 19:55:45,658 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:45,658 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-04-24 19:55:45,669 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:45,670 INFO L85 PathProgramCache]: Analyzing trace with hash -2063231586, now seen corresponding path program 1 times [2025-04-24 19:55:45,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:55:45,670 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046351063] [2025-04-24 19:55:45,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:45,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:45,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 294 statements into 1 equivalence classes. [2025-04-24 19:55:46,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 294 of 294 statements. [2025-04-24 19:55:46,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:46,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:55:46,040 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:55:46,040 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:55:46,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2025-04-24 19:55:46,051 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:46,051 INFO L85 PathProgramCache]: Analyzing trace with hash 965585335, now seen corresponding path program 1 times [2025-04-24 19:55:46,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:55:46,051 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099587651] [2025-04-24 19:55:46,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:55:46,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:46,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-04-24 19:55:46,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-04-24 19:55:46,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:55:46,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:55:46,498 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:55:46,499 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:55:46,499 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 403 is hopeless, skipping. [2025-04-24 19:55:46,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 412 [2025-04-24 19:55:46,499 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:46,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2025-04-24 19:55:46,499 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:46,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-04-24 19:55:46,499 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:46,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 430 [2025-04-24 19:55:46,499 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:55:46,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-24 19:55:46,499 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:46,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2025-04-24 19:55:46,499 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:55:46,499 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:55:46,499 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:55:46,499 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:55:46,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1066633356, now seen corresponding path program 12 times [2025-04-24 19:55:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:55:46,500 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132700002] [2025-04-24 19:55:46,500 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:55:46,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:55:46,528 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 439 statements into 20 equivalence classes. [2025-04-24 19:55:48,827 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 439 of 439 statements. [2025-04-24 19:55:48,827 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-04-24 19:55:48,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:55:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3013 backedges. 2130 proven. 883 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:55:53,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:55:53,192 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132700002] [2025-04-24 19:55:53,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132700002] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:55:53,192 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859459093] [2025-04-24 19:55:53,192 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:55:53,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:55:53,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:55:53,194 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 19:55:53,195 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 19:55:53,386 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 439 statements into 20 equivalence classes. [2025-04-24 19:56:23,446 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 439 of 439 statements. [2025-04-24 19:56:23,447 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-04-24 19:56:23,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:23,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-24 19:56:23,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3013 backedges. 0 proven. 2310 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2025-04-24 19:56:27,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3013 backedges. 418 proven. 35 refuted. 0 times theorem prover too weak. 2560 trivial. 0 not checked. [2025-04-24 19:56:28,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859459093] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:28,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:28,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 91, 10] total 180 [2025-04-24 19:56:28,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263198880] [2025-04-24 19:56:28,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:28,081 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2025-04-24 19:56:28,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:28,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2025-04-24 19:56:28,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2344, Invalid=29876, Unknown=0, NotChecked=0, Total=32220 [2025-04-24 19:56:28,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:28,086 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:28,086 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 180 states, 180 states have (on average 4.961111111111111) internal successors, (893), 180 states have internal predecessors, (893), 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 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:28,086 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:56:28,087 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:28,087 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:35,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:56:35,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-24 19:56:35,890 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,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2025-04-24 19:56:35,890 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:56:35,890 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:35,890 INFO L139 ounterexampleChecker]: Examining path program with hash -1379282247, occurence #1 [2025-04-24 19:56:35,890 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:35,890 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:35,890 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:35,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1349055681, now seen corresponding path program 13 times [2025-04-24 19:56:35,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:35,891 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756995038] [2025-04-24 19:56:35,891 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:56:35,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:35,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 19:56:35,979 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 19:56:35,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:35,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:39,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 666 proven. 1983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:39,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:39,304 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756995038] [2025-04-24 19:56:39,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756995038] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:39,304 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949156121] [2025-04-24 19:56:39,304 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 19:56:39,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:39,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:39,306 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 19:56:39,307 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 19:56:39,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 19:56:39,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 19:56:39,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:56:39,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:39,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-24 19:56:39,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:56:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 703 proven. 1946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:43,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:56:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2649 backedges. 741 proven. 1908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:45,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949156121] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:56:45,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:56:45,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 191 [2025-04-24 19:56:45,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391580859] [2025-04-24 19:56:45,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:56:45,677 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-04-24 19:56:45,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:56:45,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-04-24 19:56:45,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8268, Invalid=28404, Unknown=0, NotChecked=0, Total=36672 [2025-04-24 19:56:45,682 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:45,682 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:56:45,682 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 4.130208333333333) internal successors, (793), 191 states have internal predecessors, (793), 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 19:56:45,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:45,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:45,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:45,682 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:56:45,683 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:56:47,943 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:56:47,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-24 19:56:48,144 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,SelfDestructingSolverStorable49 [2025-04-24 19:56:48,144 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:56:48,144 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:56:48,144 INFO L139 ounterexampleChecker]: Examining path program with hash -1522950898, occurence #1 [2025-04-24 19:56:48,144 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:56:48,144 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:56:48,145 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:56:48,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1974386993, now seen corresponding path program 14 times [2025-04-24 19:56:48,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:56:48,145 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385029408] [2025-04-24 19:56:48,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:48,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:56:48,173 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-04-24 19:56:48,255 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 19:56:48,255 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:56:48,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4593 backedges. 3551 proven. 1042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:56:58,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:56:58,338 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385029408] [2025-04-24 19:56:58,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385029408] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:56:58,338 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787070911] [2025-04-24 19:56:58,338 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 19:56:58,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:56:58,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:56:58,340 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 19:56:58,341 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 19:56:58,546 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-04-24 19:56:58,701 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 19:56:58,703 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 19:56:58,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:56:58,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 2141 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-04-24 19:56:58,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 4593 backedges. 3754 proven. 741 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-04-24 19:57:03,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:57:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4593 backedges. 3754 proven. 741 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-04-24 19:57:08,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787070911] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:57:08,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:57:08,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 79, 79] total 295 [2025-04-24 19:57:08,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067179150] [2025-04-24 19:57:08,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:57:08,338 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 296 states [2025-04-24 19:57:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:57:08,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants. [2025-04-24 19:57:08,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13174, Invalid=74146, Unknown=0, NotChecked=0, Total=87320 [2025-04-24 19:57:08,344 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:08,344 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:57:08,345 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 296 states, 296 states have (on average 4.111486486486487) internal successors, (1217), 295 states have internal predecessors, (1217), 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 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:57:08,345 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:57:08,944 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:57:08,945 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:57:08,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-24 19:57:09,145 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:09,145 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:57:09,145 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:57:09,146 INFO L139 ounterexampleChecker]: Examining path program with hash -1522950898, occurence #2 [2025-04-24 19:57:09,146 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:57:09,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 19:57:09,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 19:57:09,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 19:57:09,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 19:57:09,146 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 19:57:09,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 19:57:09,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:09,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2025-04-24 19:57:09,157 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:09,158 INFO L85 PathProgramCache]: Analyzing trace with hash -328852275, now seen corresponding path program 1 times [2025-04-24 19:57:09,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:57:09,158 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064681690] [2025-04-24 19:57:09,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:09,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:09,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 19:57:09,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 19:57:09,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:09,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3725 backedges. 2664 proven. 1061 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:57:16,086 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 19:57:16,086 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064681690] [2025-04-24 19:57:16,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064681690] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:16,086 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2126025370] [2025-04-24 19:57:16,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:57:16,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:16,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 19:57:16,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 19:57:16,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:57:16,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:16,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-24 19:57:16,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3725 backedges. 2945 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:57:24,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2126025370] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:24,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 19:57:24,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 121] total 241 [2025-04-24 19:57:24,555 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 444 [2025-04-24 19:57:24,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-04-24 19:57:24,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-24 19:57:24,555 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 472 [2025-04-24 19:57:24,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-24 19:57:24,555 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 480 [2025-04-24 19:57:24,555 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:24,555 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-24 19:57:24,555 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:57:24,555 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:57:24,555 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:57:24,556 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:57:24,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1531304045, now seen corresponding path program 15 times [2025-04-24 19:57:24,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:57:24,556 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881606171] [2025-04-24 19:57:24,556 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:57:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:57:24,589 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 485 statements into 23 equivalence classes. [2025-04-24 19:57:26,126 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 19:57:26,126 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-04-24 19:57:26,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 3551 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:57:36,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:57:36,524 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881606171] [2025-04-24 19:57:36,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881606171] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:57:36,524 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111911912] [2025-04-24 19:57:36,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 19:57:36,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:57:36,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:57:36,526 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:57:36,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-24 19:57:36,746 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 485 statements into 23 equivalence classes. [2025-04-24 19:57:50,441 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 19:57:50,441 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-04-24 19:57:50,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:57:50,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-24 19:57:50,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:57:55,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 3850 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:57:55,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:58:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 3850 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-24 19:58:01,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111911912] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:58:01,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:58:01,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 90, 90] total 319 [2025-04-24 19:58:01,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960840744] [2025-04-24 19:58:01,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:58:01,920 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 320 states [2025-04-24 19:58:01,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:58:01,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 320 interpolants. [2025-04-24 19:58:01,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16322, Invalid=85758, Unknown=0, NotChecked=0, Total=102080 [2025-04-24 19:58:01,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:01,932 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:58:01,933 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 320 states, 320 states have (on average 4.328125) internal successors, (1385), 319 states have internal predecessors, (1385), 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 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:58:01,933 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:58:02,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:58:02,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:58:02,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-24 19:58:02,783 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:58:02,783 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:58:02,783 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:58:02,784 INFO L139 ounterexampleChecker]: Examining path program with hash -1522950898, occurence #3 [2025-04-24 19:58:02,784 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:58:02,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 19:58:02,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 19:58:02,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:58:02,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-24 19:58:02,784 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 19:58:02,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:58:02,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:02,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-04-24 19:58:02,792 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:02,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1852670056, now seen corresponding path program 1 times [2025-04-24 19:58:02,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 19:58:02,792 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758391036] [2025-04-24 19:58:02,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 19:58:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:02,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 390 statements into 1 equivalence classes. [2025-04-24 19:58:03,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 390 of 390 statements. [2025-04-24 19:58:03,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 19:58:03,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 19:58:03,568 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 19:58:03,569 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 454 [2025-04-24 19:58:03,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-24 19:58:03,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 470 [2025-04-24 19:58:03,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-24 19:58:03,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-04-24 19:58:03,569 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-04-24 19:58:03,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:03,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 19:58:03,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:58:03,569 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:58:03,569 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:58:03,570 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:03,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1987211859, now seen corresponding path program 16 times [2025-04-24 19:58:03,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:58:03,570 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499759289] [2025-04-24 19:58:03,570 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:58:03,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:03,601 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 495 statements into 2 equivalence classes. [2025-04-24 19:58:03,626 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 243 of 495 statements. [2025-04-24 19:58:03,626 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:58:03,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 30 proven. 550 refuted. 0 times theorem prover too weak. 4497 trivial. 0 not checked. [2025-04-24 19:58:04,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:58:04,912 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499759289] [2025-04-24 19:58:04,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499759289] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:04,912 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427311439] [2025-04-24 19:58:04,912 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 19:58:04,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:58:04,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:58:04,915 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:58:04,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-24 19:58:05,176 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 495 statements into 2 equivalence classes. [2025-04-24 19:58:05,240 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 243 of 495 statements. [2025-04-24 19:58:05,240 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 19:58:05,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:05,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 100 conjuncts are in the unsatisfiable core [2025-04-24 19:58:05,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:58:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 0 proven. 3850 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2025-04-24 19:58:07,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:58:07,992 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 28 proven. 550 refuted. 0 times theorem prover too weak. 4499 trivial. 0 not checked. [2025-04-24 19:58:07,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427311439] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:58:07,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:58:07,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 101, 9] total 109 [2025-04-24 19:58:07,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730113738] [2025-04-24 19:58:07,992 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:58:07,993 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-24 19:58:07,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:58:07,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-24 19:58:07,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=657, Invalid=11115, Unknown=0, NotChecked=0, Total=11772 [2025-04-24 19:58:07,995 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:07,995 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:58:07,995 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.706422018348624) internal successors, (513), 109 states have internal predecessors, (513), 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 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:58:07,995 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:58:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:58:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 19:58:17,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-24 19:58:17,266 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55 [2025-04-24 19:58:17,266 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:58:17,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:58:17,267 INFO L139 ounterexampleChecker]: Examining path program with hash 168156438, occurence #1 [2025-04-24 19:58:17,267 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 19:58:17,267 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:58:17,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:58:17,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1372124255, now seen corresponding path program 17 times [2025-04-24 19:58:17,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:58:17,267 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845007704] [2025-04-24 19:58:17,267 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:58:17,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:58:17,303 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 503 statements into 26 equivalence classes. [2025-04-24 19:58:17,990 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 19:58:17,990 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2025-04-24 19:58:17,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:58:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5809 backedges. 4584 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:58:23,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:58:23,877 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845007704] [2025-04-24 19:58:23,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845007704] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:58:23,877 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929558207] [2025-04-24 19:58:23,877 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 19:58:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:58:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:58:23,879 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:58:23,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-24 19:58:24,140 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 503 statements into 26 equivalence classes. [2025-04-24 19:59:23,744 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 19:59:23,745 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2025-04-24 19:59:23,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:23,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 104 conjuncts are in the unsatisfiable core [2025-04-24 19:59:23,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 19:59:28,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5809 backedges. 4584 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:28,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 19:59:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5809 backedges. 4584 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:33,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929558207] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 19:59:33,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 19:59:33,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 102, 102] total 254 [2025-04-24 19:59:33,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988548200] [2025-04-24 19:59:33,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 19:59:33,038 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2025-04-24 19:59:33,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 19:59:33,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2025-04-24 19:59:33,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14631, Invalid=50139, Unknown=0, NotChecked=0, Total=64770 [2025-04-24 19:59:33,047 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:33,047 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 19:59:33,048 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 255 states, 255 states have (on average 5.584313725490196) internal successors, (1424), 254 states have internal predecessors, (1424), 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 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 19:59:33,048 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:33,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:33,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 19:59:33,443 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 19:59:33,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-24 19:59:33,643 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-04-24 19:59:33,643 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 19:59:33,643 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 19:59:33,644 INFO L139 ounterexampleChecker]: Examining path program with hash 168156438, occurence #2 [2025-04-24 19:59:33,644 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 19:59:33,644 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-24 19:59:33,644 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 476 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-04-24 19:59:33,644 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 19:59:33,644 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:33,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 496 [2025-04-24 19:59:33,645 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 19:59:33,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-04-24 19:59:33,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:33,645 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-24 19:59:33,645 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 19:59:33,645 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 19:59:33,645 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 19:59:33,645 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 19:59:33,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2090096481, now seen corresponding path program 18 times [2025-04-24 19:59:33,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 19:59:33,645 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805479081] [2025-04-24 19:59:33,645 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:59:33,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 19:59:33,682 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 505 statements into 27 equivalence classes. [2025-04-24 19:59:35,544 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) and asserted 505 of 505 statements. [2025-04-24 19:59:35,544 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2025-04-24 19:59:35,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 19:59:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5910 backedges. 4324 proven. 1586 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 19:59:41,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 19:59:41,723 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805479081] [2025-04-24 19:59:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805479081] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 19:59:41,723 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519754482] [2025-04-24 19:59:41,723 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 19:59:41,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 19:59:41,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 19:59:41,725 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 19:59:41,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-24 19:59:41,981 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 505 statements into 27 equivalence classes. [2025-04-24 20:01:43,834 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) and asserted 505 of 505 statements. [2025-04-24 20:01:43,834 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2025-04-24 20:01:43,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:01:43,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-24 20:01:43,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:01:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5910 backedges. 4584 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:49,024 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:01:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5910 backedges. 4584 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:01:53,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519754482] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:01:53,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:01:53,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 261 [2025-04-24 20:01:53,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8662853] [2025-04-24 20:01:53,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:01:53,495 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2025-04-24 20:01:53,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:01:53,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2025-04-24 20:01:53,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15370, Invalid=53012, Unknown=0, NotChecked=0, Total=68382 [2025-04-24 20:01:53,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:01:53,502 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:01:53,503 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 3.99618320610687) internal successors, (1047), 261 states have internal predecessors, (1047), 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 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:01:53,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 20:01:53,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:01:53,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:01:54,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-24 20:01:54,174 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-04-24 20:01:54,174 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 20:01:54,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:01:54,175 INFO L139 ounterexampleChecker]: Examining path program with hash 168156438, occurence #3 [2025-04-24 20:01:54,175 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 20:01:54,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 20:01:54,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-24 20:01:54,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-24 20:01:54,175 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2025-04-24 20:01:54,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:54,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-04-24 20:01:54,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 20:01:54,175 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 20:01:54,175 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:01:54,176 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:01:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2046173759, now seen corresponding path program 19 times [2025-04-24 20:01:54,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:01:54,176 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054185839] [2025-04-24 20:01:54,176 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:01:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:01:54,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 506 statements into 1 equivalence classes. [2025-04-24 20:01:54,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 506 of 506 statements. [2025-04-24 20:01:54,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:01:54,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 5962 backedges. 1275 proven. 4687 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:00,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:02:00,730 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054185839] [2025-04-24 20:02:00,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054185839] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:00,730 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119069746] [2025-04-24 20:02:00,730 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 20:02:00,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:02:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:02:00,732 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:02:00,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-24 20:02:01,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 506 statements into 1 equivalence classes. [2025-04-24 20:02:01,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 506 of 506 statements. [2025-04-24 20:02:01,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 20:02:01,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:01,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-24 20:02:01,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:02:07,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5962 backedges. 1326 proven. 4636 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:07,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 20:02:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5962 backedges. 1378 proven. 4584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:11,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119069746] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 20:02:11,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 20:02:11,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 261 [2025-04-24 20:02:11,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024006891] [2025-04-24 20:02:11,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 20:02:11,883 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2025-04-24 20:02:11,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 20:02:11,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2025-04-24 20:02:11,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15317, Invalid=53065, Unknown=0, NotChecked=0, Total=68382 [2025-04-24 20:02:11,889 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:11,889 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 20:02:11,890 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 262 states, 262 states have (on average 4.034351145038168) internal successors, (1057), 261 states have internal predecessors, (1057), 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 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:11,890 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 20:02:16,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 20:02:16,312 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-24 20:02:16,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-24 20:02:16,513 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:02:16,513 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 20:02:16,513 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 20:02:16,514 INFO L139 ounterexampleChecker]: Examining path program with hash 1100706711, occurence #1 [2025-04-24 20:02:16,514 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 20:02:16,514 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 20:02:16,514 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 20:02:16,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1710426992, now seen corresponding path program 20 times [2025-04-24 20:02:16,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 20:02:16,515 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624555750] [2025-04-24 20:02:16,515 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:02:16,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 20:02:16,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 622 statements into 2 equivalence classes. [2025-04-24 20:02:16,700 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 622 of 622 statements. [2025-04-24 20:02:16,701 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:02:16,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 6166 proven. 1692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 20:02:34,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 20:02:34,657 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624555750] [2025-04-24 20:02:34,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624555750] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 20:02:34,657 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517968776] [2025-04-24 20:02:34,657 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 20:02:34,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 20:02:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 20:02:34,659 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-24 20:02:34,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-24 20:02:34,956 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 622 statements into 2 equivalence classes. [2025-04-24 20:02:35,184 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 622 of 622 statements. [2025-04-24 20:02:35,184 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 20:02:35,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 20:02:35,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 2732 conjuncts, 109 conjuncts are in the unsatisfiable core [2025-04-24 20:02:35,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 20:02:42,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7858 backedges. 6396 proven. 1378 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-04-24 20:02:42,671 INFO L312 TraceCheckSpWp]: Computing backward predicates...