./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 01849734 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-dev-0184973-m [2025-04-24 17:09:51,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-24 17:09:51,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-24 17:09:51,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-24 17:09:51,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-24 17:09:51,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-24 17:09:51,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-24 17:09:51,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-24 17:09:51,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-24 17:09:51,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-24 17:09:51,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-24 17:09:51,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-24 17:09:51,737 INFO L153 SettingsManager]: * Use SBE=true [2025-04-24 17:09:51,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-24 17:09:51,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-24 17:09:51,738 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-24 17:09:51,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-24 17:09:51,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-24 17:09:51,739 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-24 17:09:51,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-24 17:09:51,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:09:51,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-24 17:09:51,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:09:51,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-24 17:09:51,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-24 17:09:51,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-24 17:09:51,742 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-24 17:09:51,742 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-24 17:09:51,742 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 17:09:51,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-24 17:09:51,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-24 17:09:51,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-24 17:09:51,991 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-24 17:09:51,992 INFO L274 PluginConnector]: CDTParser initialized [2025-04-24 17:09:51,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 17:09:53,272 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5b044d706/7ee598ccfeb64c038a42e87d655f8576/FLAGbced84fc1 [2025-04-24 17:09:53,455 INFO L389 CDTParser]: Found 1 translation units. [2025-04-24 17:09:53,456 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 17:09:53,462 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5b044d706/7ee598ccfeb64c038a42e87d655f8576/FLAGbced84fc1 [2025-04-24 17:09:54,274 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5b044d706/7ee598ccfeb64c038a42e87d655f8576 [2025-04-24 17:09:54,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-24 17:09:54,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-24 17:09:54,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-24 17:09:54,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-24 17:09:54,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-24 17:09:54,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eec7a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54, skipping insertion in model container [2025-04-24 17:09:54,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-24 17:09:54,429 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 17:09:54,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:09:54,455 INFO L200 MainTranslator]: Completed pre-run [2025-04-24 17:09:54,492 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 17:09:54,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-24 17:09:54,509 INFO L204 MainTranslator]: Completed translation [2025-04-24 17:09:54,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54 WrapperNode [2025-04-24 17:09:54,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-24 17:09:54,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-24 17:09:54,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-24 17:09:54,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-24 17:09:54,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,561 INFO L138 Inliner]: procedures = 28, calls = 65, calls flagged for inlining = 21, calls inlined = 27, statements flattened = 292 [2025-04-24 17:09:54,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-24 17:09:54,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-24 17:09:54,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-24 17:09:54,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-24 17:09:54,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-24 17:09:54,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-24 17:09:54,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-24 17:09:54,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-24 17:09:54,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (1/1) ... [2025-04-24 17:09:54,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-24 17:09:54,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:09:54,625 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 17:09:54,627 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 17:09:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-24 17:09:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-24 17:09:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-24 17:09:54,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-24 17:09:54,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-24 17:09:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-24 17:09:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-24 17:09:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-24 17:09:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-24 17:09:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-24 17:09:54,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-24 17:09:54,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-24 17:09:54,647 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 17:09:54,724 INFO L234 CfgBuilder]: Building ICFG [2025-04-24 17:09:54,726 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-24 17:09:55,056 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-24 17:09:55,056 INFO L283 CfgBuilder]: Performing block encoding [2025-04-24 17:09:55,273 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-24 17:09:55,273 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-24 17:09:55,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:09:55 BoogieIcfgContainer [2025-04-24 17:09:55,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-24 17:09:55,275 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-24 17:09:55,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-24 17:09:55,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-24 17:09:55,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.04 05:09:54" (1/3) ... [2025-04-24 17:09:55,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c158844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:09:55, skipping insertion in model container [2025-04-24 17:09:55,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.04 05:09:54" (2/3) ... [2025-04-24 17:09:55,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c158844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.04 05:09:55, skipping insertion in model container [2025-04-24 17:09:55,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.04 05:09:55" (3/3) ... [2025-04-24 17:09:55,279 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1-dsl.wvr.c [2025-04-24 17:09:55,289 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-24 17:09:55,292 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 17:09:55,292 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-24 17:09:55,373 INFO L143 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2025-04-24 17:09:55,403 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:09:55,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-24 17:09:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:09:55,406 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 17:09:55,408 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 17:09:55,485 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:09:55,497 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork0 ======== [2025-04-24 17:09:55,502 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;@2a8b9a0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:09:55,502 INFO L341 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-04-24 17:09:55,890 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2025-04-24 17:09:55,890 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-04-24 17:09:55,896 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-04-24 17:09:55,897 INFO L320 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork0 was SAFE,SAFE (1/3) [2025-04-24 17:09:55,900 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:09:55,904 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-24 17:09:55,904 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-24 17:09:55,905 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;@2a8b9a0d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-24 17:09:55,905 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-24 17:09:55,938 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 17:09:55,938 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:09:55,939 INFO L139 ounterexampleChecker]: Examining path program with hash 737834460, occurence #1 [2025-04-24 17:09:55,939 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:09:55,939 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:09:55,942 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:55,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1270390664, now seen corresponding path program 1 times [2025-04-24 17:09:55,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:09:55,947 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223507015] [2025-04-24 17:09:55,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:56,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-04-24 17:09:56,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-24 17:09:56,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:56,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:56,128 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 17:09:56,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:09:56,128 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223507015] [2025-04-24 17:09:56,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223507015] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:09:56,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:09:56,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-24 17:09:56,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029360658] [2025-04-24 17:09:56,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:09:56,133 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-24 17:09:56,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:09:56,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-24 17:09:56,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-24 17:09:56,147 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:56,148 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:09:56,149 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 17:09:56,150 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:56,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:56,708 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-24 17:09:56,708 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 17:09:56,708 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:09:56,708 INFO L139 ounterexampleChecker]: Examining path program with hash 494503306, occurence #1 [2025-04-24 17:09:56,708 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:09:56,709 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:09:56,709 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:56,709 INFO L85 PathProgramCache]: Analyzing trace with hash -885745993, now seen corresponding path program 1 times [2025-04-24 17:09:56,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:09:56,709 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825473629] [2025-04-24 17:09:56,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:56,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:56,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-04-24 17:09:56,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-04-24 17:09:56,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:56,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:57,061 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 17:09:57,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:09:57,062 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825473629] [2025-04-24 17:09:57,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825473629] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:09:57,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:09:57,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-24 17:09:57,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023845736] [2025-04-24 17:09:57,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:09:57,063 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-24 17:09:57,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:09:57,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-24 17:09:57,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-24 17:09:57,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,066 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:09:57,066 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 17:09:57,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,066 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,338 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:09:57,338 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-24 17:09:57,339 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 17:09:57,339 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:09:57,339 INFO L139 ounterexampleChecker]: Examining path program with hash 116339007, occurence #1 [2025-04-24 17:09:57,339 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:09:57,339 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:09:57,340 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:57,340 INFO L85 PathProgramCache]: Analyzing trace with hash -388202200, now seen corresponding path program 2 times [2025-04-24 17:09:57,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:09:57,340 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131078805] [2025-04-24 17:09:57,340 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:09:57,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:57,363 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 1 equivalence classes. [2025-04-24 17:09:57,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-04-24 17:09:57,403 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 17:09:57,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:57,657 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 17:09:57,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:09:57,657 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131078805] [2025-04-24 17:09:57,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131078805] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:09:57,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:09:57,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-24 17:09:57,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959039349] [2025-04-24 17:09:57,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:09:57,657 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-24 17:09:57,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:09:57,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-24 17:09:57,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-24 17:09:57,658 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,658 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:09:57,658 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 17:09:57,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:09:57,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:57,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:09:57,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:09:57,880 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-24 17:09:57,880 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 17:09:57,880 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:09:57,880 INFO L139 ounterexampleChecker]: Examining path program with hash 116339007, occurence #2 [2025-04-24 17:09:57,880 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:09:57,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:09:57,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:57,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-24 17:09:57,883 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:09:57,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-24 17:09:57,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:57,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-24 17:09:57,883 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:57,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 17:09:57,883 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:09:57,883 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-24 17:09:57,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:57,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 17:09:57,884 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:57,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 17:09:57,912 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:57,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1712494026, now seen corresponding path program 1 times [2025-04-24 17:09:57,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:09:57,913 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271340386] [2025-04-24 17:09:57,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:57,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:57,925 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-24 17:09:57,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-24 17:09:57,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:57,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,059 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 17:09:58,059 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:09:58,059 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271340386] [2025-04-24 17:09:58,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271340386] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,060 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1993927661] [2025-04-24 17:09:58,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:58,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-24 17:09:58,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-24 17:09:58,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:58,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 17:09:58,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:09:58,202 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 17:09:58,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1993927661] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:09:58,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 17:09:58,202 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:09:58,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 17:09:58,209 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:58,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1402524594, now seen corresponding path program 1 times [2025-04-24 17:09:58,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:09:58,209 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423531567] [2025-04-24 17:09:58,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:58,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-24 17:09:58,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-24 17:09:58,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:58,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,357 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 17:09:58,358 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:09:58,358 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423531567] [2025-04-24 17:09:58,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423531567] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,358 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [783855365] [2025-04-24 17:09:58,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:58,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-24 17:09:58,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-24 17:09:58,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:58,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 17:09:58,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:09:58,495 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 17:09:58,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [783855365] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:09:58,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 17:09:58,496 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:09:58,497 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 17:09:58,504 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:58,504 INFO L85 PathProgramCache]: Analyzing trace with hash -419739119, now seen corresponding path program 1 times [2025-04-24 17:09:58,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:09:58,504 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267755228] [2025-04-24 17:09:58,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:58,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-24 17:09:58,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-24 17:09:58,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:58,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,660 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 17:09:58,661 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:09:58,661 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267755228] [2025-04-24 17:09:58,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267755228] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,661 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [188538004] [2025-04-24 17:09:58,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:58,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-24 17:09:58,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-24 17:09:58,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:58,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 17:09:58,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:09:58,783 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 17:09:58,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [188538004] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:09:58,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 17:09:58,784 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:09:58,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-04-24 17:09:58,784 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:58,784 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-24 17:09:58,802 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:58,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1997666354, now seen corresponding path program 1 times [2025-04-24 17:09:58,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:09:58,802 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2487674] [2025-04-24 17:09:58,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:58,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-24 17:09:58,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 17:09:58,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:58,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:58,990 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 17:09:58,990 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:09:58,990 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2487674] [2025-04-24 17:09:58,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2487674] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:58,990 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [577294510] [2025-04-24 17:09:58,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:58,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:59,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-24 17:09:59,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-24 17:09:59,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:59,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:59,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 17:09:59,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:09:59,111 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 17:09:59,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [577294510] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:59,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:09:59,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-24 17:09:59,111 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:09:59,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 17:09:59,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:59,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-24 17:09:59,111 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:09:59,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-24 17:09:59,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:59,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-24 17:09:59,111 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:09:59,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-24 17:09:59,111 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:09:59,111 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-24 17:09:59,112 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:09:59,112 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:09:59,112 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:09:59,112 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:09:59,112 INFO L85 PathProgramCache]: Analyzing trace with hash -720597434, now seen corresponding path program 1 times [2025-04-24 17:09:59,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:09:59,112 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289314059] [2025-04-24 17:09:59,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:59,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:09:59,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-24 17:09:59,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-24 17:09:59,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:59,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:59,314 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 17:09:59,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:09:59,314 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289314059] [2025-04-24 17:09:59,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289314059] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:09:59,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986278446] [2025-04-24 17:09:59,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:09:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:09:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:09:59,337 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 17:09:59,339 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 17:09:59,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-04-24 17:09:59,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-04-24 17:09:59,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:09:59,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:09:59,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-24 17:09:59,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:09:59,582 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 17:09:59,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:09:59,655 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 17:09:59,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986278446] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:09:59,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:09:59,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-04-24 17:09:59,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670865417] [2025-04-24 17:09:59,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:09:59,656 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-24 17:09:59,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:09:59,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-24 17:09:59,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-04-24 17:09:59,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:59,657 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:09:59,657 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 17:09:59,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:59,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:09:59,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:09:59,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:59,983 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:09:59,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:09:59,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:09:59,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:09:59,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-24 17:10:00,184 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 17:10:00,185 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 17:10:00,185 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:00,186 INFO L139 ounterexampleChecker]: Examining path program with hash 116339007, occurence #3 [2025-04-24 17:10:00,186 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:00,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:00,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:00,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-24 17:10:00,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:00,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:10:00,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:00,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-24 17:10:00,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:00,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-24 17:10:00,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:00,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 17:10:00,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:00,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-24 17:10:00,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:00,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 17:10:00,195 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:00,195 INFO L85 PathProgramCache]: Analyzing trace with hash -401250456, now seen corresponding path program 1 times [2025-04-24 17:10:00,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:00,195 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843886436] [2025-04-24 17:10:00,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:00,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:00,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-24 17:10:00,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 17:10:00,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:00,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:00,421 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 17:10:00,421 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:00,421 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843886436] [2025-04-24 17:10:00,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843886436] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:00,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1646010003] [2025-04-24 17:10:00,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:00,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:00,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-04-24 17:10:00,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-04-24 17:10:00,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:00,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:00,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-24 17:10:00,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:00,690 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 17:10:00,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1646010003] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:00,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:00,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2025-04-24 17:10:00,691 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:00,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 17:10:00,696 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:00,697 INFO L85 PathProgramCache]: Analyzing trace with hash 2112842368, now seen corresponding path program 1 times [2025-04-24 17:10:00,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:00,697 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951521060] [2025-04-24 17:10:00,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:00,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:00,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-24 17:10:00,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-24 17:10:00,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:00,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:00,950 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 17:10:00,951 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:00,951 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951521060] [2025-04-24 17:10:00,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951521060] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:00,951 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1683495846] [2025-04-24 17:10:00,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:00,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:00,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-24 17:10:00,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-24 17:10:00,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:00,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:00,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-24 17:10:00,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:01,260 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 17:10:01,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1683495846] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:01,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:01,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-04-24 17:10:01,261 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:01,261 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 17:10:01,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:01,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1076857923, now seen corresponding path program 1 times [2025-04-24 17:10:01,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:01,268 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839836307] [2025-04-24 17:10:01,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:01,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-24 17:10:01,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 17:10:01,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:01,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:01,582 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 17:10:01,583 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:01,583 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839836307] [2025-04-24 17:10:01,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839836307] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:01,583 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [296507608] [2025-04-24 17:10:01,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:01,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:01,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-24 17:10:01,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-24 17:10:01,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:01,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:01,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-24 17:10:01,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:02,037 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 17:10:02,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [296507608] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:02,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:02,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 31 [2025-04-24 17:10:02,038 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:02,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-24 17:10:02,038 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:02,038 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-24 17:10:02,052 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:02,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1920020196, now seen corresponding path program 1 times [2025-04-24 17:10:02,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:02,052 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749415793] [2025-04-24 17:10:02,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:02,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:02,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-24 17:10:02,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-24 17:10:02,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:02,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:02,516 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 17:10:02,516 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:02,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749415793] [2025-04-24 17:10:02,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749415793] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:02,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [698346048] [2025-04-24 17:10:02,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:02,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-24 17:10:02,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-24 17:10:02,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:02,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:02,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-24 17:10:02,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:03,030 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 17:10:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [698346048] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:03,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:03,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 37 [2025-04-24 17:10:03,030 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:03,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-24 17:10:03,031 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:03,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-24 17:10:03,031 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:03,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-24 17:10:03,031 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:03,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2025-04-24 17:10:03,031 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:03,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-24 17:10:03,031 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:03,031 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-24 17:10:03,031 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:03,031 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:03,031 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:03,032 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:03,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1860052200, now seen corresponding path program 2 times [2025-04-24 17:10:03,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:03,032 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231981383] [2025-04-24 17:10:03,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:03,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:03,041 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-04-24 17:10:03,052 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 114 of 116 statements. [2025-04-24 17:10:03,052 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-24 17:10:03,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:03,302 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 17:10:03,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:03,304 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231981383] [2025-04-24 17:10:03,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231981383] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-24 17:10:03,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-24 17:10:03,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-04-24 17:10:03,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798574372] [2025-04-24 17:10:03,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-24 17:10:03,305 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-24 17:10:03,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:03,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-24 17:10:03,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-04-24 17:10:03,306 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:03,306 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:03,306 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 17:10:03,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:03,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:03,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:03,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:03,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:03,665 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:03,665 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:03,665 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:03,665 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:03,665 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:03,665 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-04-24 17:10:03,665 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 17:10:03,665 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:03,666 INFO L139 ounterexampleChecker]: Examining path program with hash -432325046, occurence #1 [2025-04-24 17:10:03,666 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:03,666 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:03,666 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:03,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1980980698, now seen corresponding path program 3 times [2025-04-24 17:10:03,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:03,666 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69989188] [2025-04-24 17:10:03,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:03,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:03,681 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-24 17:10:03,897 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-24 17:10:03,897 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:10:03,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:05,453 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 17:10:05,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:05,454 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69989188] [2025-04-24 17:10:05,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69989188] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:05,454 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357433899] [2025-04-24 17:10:05,454 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:05,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:05,456 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 17:10:05,458 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 17:10:05,537 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 4 equivalence classes. [2025-04-24 17:10:05,618 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 180 of 180 statements. [2025-04-24 17:10:05,618 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-24 17:10:05,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:05,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-24 17:10:05,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:06,280 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 17:10:06,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:06,768 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 17:10:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357433899] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:06,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 19, 19] total 75 [2025-04-24 17:10:06,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104149985] [2025-04-24 17:10:06,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:06,770 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2025-04-24 17:10:06,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:06,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2025-04-24 17:10:06,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1130, Invalid=4570, Unknown=0, NotChecked=0, Total=5700 [2025-04-24 17:10:06,775 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:06,775 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:06,776 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 17:10:06,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:06,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:06,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:06,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:06,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:06,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:07,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:07,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:07,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:07,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:07,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:07,323 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:07,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:07,528 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 17:10:07,528 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 17:10:07,528 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:07,529 INFO L139 ounterexampleChecker]: Examining path program with hash -432325046, occurence #2 [2025-04-24 17:10:07,529 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:07,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-24 17:10:07,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-24 17:10:07,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-24 17:10:07,529 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:07,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-24 17:10:07,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:07,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 17:10:07,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:07,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-24 17:10:07,530 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:07,530 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 17:10:07,534 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:07,534 INFO L85 PathProgramCache]: Analyzing trace with hash 854060805, now seen corresponding path program 1 times [2025-04-24 17:10:07,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:07,535 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329249369] [2025-04-24 17:10:07,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:07,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:07,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-04-24 17:10:07,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-04-24 17:10:07,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:07,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:07,560 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:07,560 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:07,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-24 17:10:07,564 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash -304757680, now seen corresponding path program 1 times [2025-04-24 17:10:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:07,564 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663178101] [2025-04-24 17:10:07,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:07,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:07,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-24 17:10:07,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-24 17:10:07,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:07,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:08,064 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 17:10:08,065 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:08,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663178101] [2025-04-24 17:10:08,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663178101] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:08,065 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1920186293] [2025-04-24 17:10:08,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:08,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-24 17:10:08,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-24 17:10:08,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:08,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:08,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-24 17:10:08,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:08,739 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 17:10:08,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1920186293] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:08,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:08,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-04-24 17:10:08,739 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:08,740 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-24 17:10:08,746 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:08,746 INFO L85 PathProgramCache]: Analyzing trace with hash 40977117, now seen corresponding path program 1 times [2025-04-24 17:10:08,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:08,746 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780865273] [2025-04-24 17:10:08,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:08,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:08,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-24 17:10:08,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-24 17:10:08,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:08,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:09,783 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 17:10:09,783 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:09,783 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780865273] [2025-04-24 17:10:09,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780865273] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:09,783 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1715494385] [2025-04-24 17:10:09,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:09,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:09,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-04-24 17:10:09,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-04-24 17:10:09,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:09,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:09,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:10:09,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:11,039 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 17:10:11,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1715494385] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:11,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:11,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36] total 71 [2025-04-24 17:10:11,039 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:11,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-24 17:10:11,039 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:11,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-04-24 17:10:11,051 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:11,051 INFO L85 PathProgramCache]: Analyzing trace with hash 410454270, now seen corresponding path program 1 times [2025-04-24 17:10:11,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:11,051 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359791949] [2025-04-24 17:10:11,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:11,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:11,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-24 17:10:11,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-24 17:10:11,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:11,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:12,147 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 17:10:12,147 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:12,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359791949] [2025-04-24 17:10:12,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359791949] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:12,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1181224259] [2025-04-24 17:10:12,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:12,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 157 statements into 1 equivalence classes. [2025-04-24 17:10:12,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 157 of 157 statements. [2025-04-24 17:10:12,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:12,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:12,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-04-24 17:10:12,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:13,542 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 17:10:13,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1181224259] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:13,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:13,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 38] total 77 [2025-04-24 17:10:13,543 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:13,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-24 17:10:13,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:13,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-24 17:10:13,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:13,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-24 17:10:13,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:13,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-24 17:10:13,543 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:13,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-24 17:10:13,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:13,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-24 17:10:13,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:13,543 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:13,543 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:13,544 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:13,544 INFO L85 PathProgramCache]: Analyzing trace with hash 262281638, now seen corresponding path program 4 times [2025-04-24 17:10:13,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:13,544 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473649368] [2025-04-24 17:10:13,544 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:10:13,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:13,559 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-24 17:10:13,565 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 17:10:13,565 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:10:13,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:13,803 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 17:10:13,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:13,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473649368] [2025-04-24 17:10:13,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473649368] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:13,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358742118] [2025-04-24 17:10:13,803 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:10:13,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:13,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:13,805 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 17:10:13,807 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 17:10:13,892 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-04-24 17:10:13,926 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 17:10:13,927 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:10:13,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:13,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-24 17:10:13,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:14,422 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 17:10:14,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:14,626 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 17:10:14,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358742118] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:14,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:14,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 34, 8] total 43 [2025-04-24 17:10:14,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762048566] [2025-04-24 17:10:14,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:14,627 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-24 17:10:14,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:14,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-24 17:10:14,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1494, Unknown=0, NotChecked=0, Total=1806 [2025-04-24 17:10:14,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:14,628 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:14,628 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 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:14,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:15,865 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:15,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:15,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:15,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:15,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:15,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:15,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:15,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:16,070 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 17:10:16,070 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 17:10:16,070 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:16,070 INFO L139 ounterexampleChecker]: Examining path program with hash -579976462, occurence #1 [2025-04-24 17:10:16,070 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:16,070 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:16,071 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:16,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1859763528, now seen corresponding path program 5 times [2025-04-24 17:10:16,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:16,071 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827749092] [2025-04-24 17:10:16,071 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:10:16,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:16,087 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-24 17:10:16,170 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-24 17:10:16,170 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 17:10:16,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:16,846 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 17:10:16,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:16,847 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827749092] [2025-04-24 17:10:16,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827749092] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:16,847 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013859422] [2025-04-24 17:10:16,847 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:10:16,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:16,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:16,849 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 17:10:16,849 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 17:10:16,936 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 224 statements into 7 equivalence classes. [2025-04-24 17:10:17,159 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 224 of 224 statements. [2025-04-24 17:10:17,159 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-24 17:10:17,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:17,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-24 17:10:17,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:17,799 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 17:10:17,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:18,421 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 17:10:18,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013859422] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:18,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:18,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 29] total 83 [2025-04-24 17:10:18,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51152287] [2025-04-24 17:10:18,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:18,422 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-04-24 17:10:18,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:18,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-04-24 17:10:18,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=5487, Unknown=0, NotChecked=0, Total=6972 [2025-04-24 17:10:18,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:18,427 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:18,427 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 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:18,427 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:18,839 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:18,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:18,848 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 17:10:19,040 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 17:10:19,040 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 17:10:19,041 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:19,041 INFO L139 ounterexampleChecker]: Examining path program with hash -579976462, occurence #2 [2025-04-24 17:10:19,041 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:19,041 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-24 17:10:19,041 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-24 17:10:19,041 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-24 17:10:19,041 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 17:10:19,041 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-24 17:10:19,041 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-24 17:10:19,041 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:19,041 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-24 17:10:19,045 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:19,045 INFO L85 PathProgramCache]: Analyzing trace with hash 176555976, now seen corresponding path program 1 times [2025-04-24 17:10:19,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:19,045 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655927507] [2025-04-24 17:10:19,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:19,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:19,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-04-24 17:10:19,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-04-24 17:10:19,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:19,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:19,122 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:19,122 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:19,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-24 17:10:19,126 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:19,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1926347807, now seen corresponding path program 1 times [2025-04-24 17:10:19,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:19,126 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569882041] [2025-04-24 17:10:19,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:19,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:19,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-24 17:10:19,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-24 17:10:19,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:19,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:19,750 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 17:10:19,751 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:10:19,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569882041] [2025-04-24 17:10:19,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569882041] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:19,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1524021973] [2025-04-24 17:10:19,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:19,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:19,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-04-24 17:10:19,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-04-24 17:10:19,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:19,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:19,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-24 17:10:19,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:20,485 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 17:10:20,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1524021973] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:20,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:10:20,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2025-04-24 17:10:20,485 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:10:20,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-04-24 17:10:20,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:20,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-04-24 17:10:20,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:20,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-24 17:10:20,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:20,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-24 17:10:20,485 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:20,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-24 17:10:20,485 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:20,485 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 17:10:20,485 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:20,486 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2025-04-24 17:10:20,486 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:20,486 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:20,486 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:20,486 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:20,486 INFO L85 PathProgramCache]: Analyzing trace with hash 653421640, now seen corresponding path program 6 times [2025-04-24 17:10:20,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:20,486 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474240897] [2025-04-24 17:10:20,486 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:10:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:20,504 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 8 equivalence classes. [2025-04-24 17:10:20,865 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 17:10:20,865 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-24 17:10:20,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:22,830 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 17:10:22,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:22,831 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474240897] [2025-04-24 17:10:22,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474240897] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:22,831 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696230965] [2025-04-24 17:10:22,831 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:10:22,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:22,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:22,833 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 17:10:22,833 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 17:10:22,927 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 232 statements into 8 equivalence classes. [2025-04-24 17:10:23,239 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 232 of 232 statements. [2025-04-24 17:10:23,239 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-24 17:10:23,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:23,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-24 17:10:23,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:24,356 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 17:10:24,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:25,551 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 17:10:25,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696230965] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:25,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:25,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 37, 37] total 131 [2025-04-24 17:10:25,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170482576] [2025-04-24 17:10:25,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:25,553 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2025-04-24 17:10:25,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:25,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2025-04-24 17:10:25,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2915, Invalid=14377, Unknown=0, NotChecked=0, Total=17292 [2025-04-24 17:10:25,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:25,562 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:25,563 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 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:25,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:26,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:26,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:26,027 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 17:10:26,219 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 17:10:26,220 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 17:10:26,220 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:26,220 INFO L139 ounterexampleChecker]: Examining path program with hash -579976462, occurence #3 [2025-04-24 17:10:26,220 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:26,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-24 17:10:26,220 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-24 17:10:26,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-24 17:10:26,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-24 17:10:26,220 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 17:10:26,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-24 17:10:26,220 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-24 17:10:26,225 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1323226440, now seen corresponding path program 1 times [2025-04-24 17:10:26,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:26,225 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131647268] [2025-04-24 17:10:26,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:26,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:26,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-04-24 17:10:26,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-04-24 17:10:26,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:26,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:26,304 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:26,304 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:26,304 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-24 17:10:26,309 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:26,310 INFO L85 PathProgramCache]: Analyzing trace with hash -952803631, now seen corresponding path program 1 times [2025-04-24 17:10:26,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:26,310 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964704050] [2025-04-24 17:10:26,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:26,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:26,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-24 17:10:26,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-24 17:10:26,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:26,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:26,417 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:26,417 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:26,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2025-04-24 17:10:26,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2025-04-24 17:10:26,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 223 [2025-04-24 17:10:26,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2025-04-24 17:10:26,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:26,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2025-04-24 17:10:26,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:26,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-04-24 17:10:26,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:26,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2025-04-24 17:10:26,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:26,418 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:26,418 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:26,419 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:26,419 INFO L85 PathProgramCache]: Analyzing trace with hash 61735846, now seen corresponding path program 7 times [2025-04-24 17:10:26,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:26,419 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962491044] [2025-04-24 17:10:26,419 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:10:26,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:26,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-04-24 17:10:26,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-04-24 17:10:26,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:26,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:27,964 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 17:10:27,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:27,964 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962491044] [2025-04-24 17:10:27,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962491044] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:27,965 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080667682] [2025-04-24 17:10:27,965 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:10:27,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:27,967 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 17:10:27,967 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 17:10:28,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-04-24 17:10:28,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-04-24 17:10:28,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:28,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:28,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-04-24 17:10:28,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:29,282 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 17:10:29,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:30,240 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 17:10:30,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080667682] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:30,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:30,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 112 [2025-04-24 17:10:30,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103914835] [2025-04-24 17:10:30,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:30,241 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2025-04-24 17:10:30,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:30,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2025-04-24 17:10:30,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2898, Invalid=9758, Unknown=0, NotChecked=0, Total=12656 [2025-04-24 17:10:30,244 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:30,244 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:30,244 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 17:10:30,244 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:30,244 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:30,244 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:30,244 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:30,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:30,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:30,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:30,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:30,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:30,245 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:30,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:10:30,569 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 17:10:30,763 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 17:10:30,763 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 17:10:30,763 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:30,763 INFO L139 ounterexampleChecker]: Examining path program with hash -579976462, occurence #4 [2025-04-24 17:10:30,764 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:30,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-24 17:10:30,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-24 17:10:30,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-24 17:10:30,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-24 17:10:30,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 17:10:30,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 17:10:30,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-04-24 17:10:30,770 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1104578340, now seen corresponding path program 1 times [2025-04-24 17:10:30,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:30,771 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768030382] [2025-04-24 17:10:30,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:30,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:30,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-04-24 17:10:30,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-04-24 17:10:30,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:30,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:30,880 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:30,880 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:30,880 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-24 17:10:30,885 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:30,885 INFO L85 PathProgramCache]: Analyzing trace with hash 785233141, now seen corresponding path program 1 times [2025-04-24 17:10:30,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:30,885 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946604887] [2025-04-24 17:10:30,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:30,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-24 17:10:30,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-24 17:10:30,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:30,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:30,994 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:30,994 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:30,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 215 [2025-04-24 17:10:30,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-04-24 17:10:30,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2025-04-24 17:10:30,995 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 227 [2025-04-24 17:10:30,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:30,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2025-04-24 17:10:30,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:30,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-24 17:10:30,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:30,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2025-04-24 17:10:30,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:30,996 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:30,996 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:30,996 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:30,996 INFO L85 PathProgramCache]: Analyzing trace with hash 250354504, now seen corresponding path program 8 times [2025-04-24 17:10:30,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:30,997 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111884304] [2025-04-24 17:10:30,997 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:30,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:31,015 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-24 17:10:31,054 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 240 of 240 statements. [2025-04-24 17:10:31,055 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:10:31,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:32,356 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 17:10:32,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:32,356 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111884304] [2025-04-24 17:10:32,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111884304] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:32,356 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070444182] [2025-04-24 17:10:32,356 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:10:32,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:32,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:32,358 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 17:10:32,359 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 17:10:32,491 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 240 statements into 2 equivalence classes. [2025-04-24 17:10:32,586 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 240 of 240 statements. [2025-04-24 17:10:32,586 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:10:32,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:32,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-04-24 17:10:32,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:34,070 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 17:10:34,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:35,752 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 17:10:35,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070444182] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:35,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:35,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 47, 47] total 136 [2025-04-24 17:10:35,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509441430] [2025-04-24 17:10:35,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:35,753 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2025-04-24 17:10:35,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:35,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2025-04-24 17:10:35,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2740, Invalid=15892, Unknown=0, NotChecked=0, Total=18632 [2025-04-24 17:10:35,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:35,758 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:35,759 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 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:10:35,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:37,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:37,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:37,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:37,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:37,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:37,586 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:37,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:37,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:37,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:37,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:10:37,587 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:10:37,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-24 17:10:37,787 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 17:10:37,787 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 17:10:37,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:37,788 INFO L139 ounterexampleChecker]: Examining path program with hash -362444765, occurence #1 [2025-04-24 17:10:37,788 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:10:37,788 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:37,788 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash 383762219, now seen corresponding path program 9 times [2025-04-24 17:10:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:37,788 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052785503] [2025-04-24 17:10:37,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:37,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:37,811 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 357 statements into 15 equivalence classes. [2025-04-24 17:10:38,512 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 357 of 357 statements. [2025-04-24 17:10:38,513 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 17:10:38,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:43,723 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 17:10:43,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:43,724 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052785503] [2025-04-24 17:10:43,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052785503] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:43,724 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341098977] [2025-04-24 17:10:43,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:10:43,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:43,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:43,726 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 17:10:43,727 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 17:10:43,880 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 357 statements into 15 equivalence classes. [2025-04-24 17:10:45,814 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 357 of 357 statements. [2025-04-24 17:10:45,814 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-04-24 17:10:45,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:45,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-04-24 17:10:45,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:48,422 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 17:10:48,423 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:51,407 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 17:10:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341098977] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:51,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 61, 61] total 217 [2025-04-24 17:10:51,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380444860] [2025-04-24 17:10:51,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:51,408 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 218 states [2025-04-24 17:10:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:51,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 218 interpolants. [2025-04-24 17:10:51,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8018, Invalid=39288, Unknown=0, NotChecked=0, Total=47306 [2025-04-24 17:10:51,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,415 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:51,415 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 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:51,415 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:51,416 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:51,416 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:10:51,416 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:10:51,416 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:10:51,892 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:10:51,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-24 17:10:52,093 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 17:10:52,093 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 17:10:52,093 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:10:52,093 INFO L139 ounterexampleChecker]: Examining path program with hash -362444765, occurence #2 [2025-04-24 17:10:52,093 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:10:52,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:10:52,093 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,093 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-24 17:10:52,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:52,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-24 17:10:52,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-24 17:10:52,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-24 17:10:52,094 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:52,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 17:10:52,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 17:10:52,094 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,094 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 248 [2025-04-24 17:10:52,097 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1043304551, now seen corresponding path program 1 times [2025-04-24 17:10:52,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:52,098 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332689786] [2025-04-24 17:10:52,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:52,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:52,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-04-24 17:10:52,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-04-24 17:10:52,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:52,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:52,398 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:52,399 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:52,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-04-24 17:10:52,403 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:52,403 INFO L85 PathProgramCache]: Analyzing trace with hash 527115492, now seen corresponding path program 1 times [2025-04-24 17:10:52,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:10:52,403 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374708649] [2025-04-24 17:10:52,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:10:52,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:52,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 281 statements into 1 equivalence classes. [2025-04-24 17:10:52,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 281 of 281 statements. [2025-04-24 17:10:52,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:10:52,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:10:52,704 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:10:52,704 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 345 [2025-04-24 17:10:52,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 349 [2025-04-24 17:10:52,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 354 [2025-04-24 17:10:52,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 357 [2025-04-24 17:10:52,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 361 [2025-04-24 17:10:52,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 364 [2025-04-24 17:10:52,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:52,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 367 [2025-04-24 17:10:52,704 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:10:52,704 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:10:52,704 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:10:52,705 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:10:52,705 INFO L85 PathProgramCache]: Analyzing trace with hash -889389107, now seen corresponding path program 10 times [2025-04-24 17:10:52,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:10:52,705 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734694239] [2025-04-24 17:10:52,706 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:10:52,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:10:52,731 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-04-24 17:10:52,746 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 17:10:52,746 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:10:52,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:53,442 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 17:10:53,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:10:53,442 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734694239] [2025-04-24 17:10:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734694239] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:10:53,442 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227844746] [2025-04-24 17:10:53,442 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:10:53,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:10:53,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:10:53,444 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 17:10:53,445 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 17:10:53,596 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 370 statements into 2 equivalence classes. [2025-04-24 17:10:53,642 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 17:10:53,642 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:10:53,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:10:53,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-04-24 17:10:53,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:10:55,049 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 17:10:55,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:10:55,434 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 17:10:55,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227844746] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:10:55,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:10:55,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 75, 9] total 81 [2025-04-24 17:10:55,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517184585] [2025-04-24 17:10:55,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:10:55,435 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-24 17:10:55,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:10:55,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-24 17:10:55,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=5934, Unknown=0, NotChecked=0, Total=6480 [2025-04-24 17:10:55,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:55,436 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:10:55,437 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 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:10:55,437 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:10:55,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-24 17:10:55,438 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:00,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:11:00,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:11:00,203 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 17:11:00,396 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 17:11:00,396 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 17:11:00,396 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:00,396 INFO L139 ounterexampleChecker]: Examining path program with hash -951555226, occurence #1 [2025-04-24 17:11:00,396 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:11:00,396 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:00,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:00,397 INFO L85 PathProgramCache]: Analyzing trace with hash 157538646, now seen corresponding path program 11 times [2025-04-24 17:11:00,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:00,397 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850462381] [2025-04-24 17:11:00,397 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:11:00,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:00,423 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 438 statements into 19 equivalence classes. [2025-04-24 17:11:00,777 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 438 of 438 statements. [2025-04-24 17:11:00,777 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-24 17:11:00,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:04,841 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 17:11:04,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:04,842 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850462381] [2025-04-24 17:11:04,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850462381] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:04,842 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381550074] [2025-04-24 17:11:04,842 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:11:04,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:04,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:04,843 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 17:11:04,844 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 17:11:05,014 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 438 statements into 19 equivalence classes. [2025-04-24 17:11:30,195 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 438 of 438 statements. [2025-04-24 17:11:30,195 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-24 17:11:30,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:30,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 77 conjuncts are in the unsatisfiable core [2025-04-24 17:11:30,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:11:32,830 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 17:11:32,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:11:36,307 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 17:11:36,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381550074] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:11:36,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:11:36,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 75, 75] total 227 [2025-04-24 17:11:36,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937612851] [2025-04-24 17:11:36,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:11:36,309 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2025-04-24 17:11:36,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:11:36,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2025-04-24 17:11:36,313 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8752, Invalid=43004, Unknown=0, NotChecked=0, Total=51756 [2025-04-24 17:11:36,313 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:36,313 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:11:36,313 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 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:11:36,314 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:37,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:11:37,034 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:11:37,058 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 17:11:37,234 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 17:11:37,234 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 17:11:37,234 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:11:37,235 INFO L139 ounterexampleChecker]: Examining path program with hash -951555226, occurence #2 [2025-04-24 17:11:37,235 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:11:37,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-24 17:11:37,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-24 17:11:37,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 17:11:37,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-04-24 17:11:37,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 17:11:37,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 17:11:37,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 293 [2025-04-24 17:11:37,239 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:37,239 INFO L85 PathProgramCache]: Analyzing trace with hash -2063231586, now seen corresponding path program 1 times [2025-04-24 17:11:37,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:11:37,239 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736703489] [2025-04-24 17:11:37,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:37,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:37,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 294 statements into 1 equivalence classes. [2025-04-24 17:11:37,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 294 of 294 statements. [2025-04-24 17:11:37,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:37,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:11:37,541 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:11:37,541 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:11:37,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 325 [2025-04-24 17:11:37,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:37,545 INFO L85 PathProgramCache]: Analyzing trace with hash 965585335, now seen corresponding path program 1 times [2025-04-24 17:11:37,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:11:37,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195623905] [2025-04-24 17:11:37,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:11:37,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:37,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-04-24 17:11:37,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-04-24 17:11:37,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:11:37,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:11:37,996 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:11:37,996 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:11:37,996 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 403 is hopeless, skipping. [2025-04-24 17:11:37,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 412 [2025-04-24 17:11:37,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 422 [2025-04-24 17:11:37,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 426 [2025-04-24 17:11:37,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:37,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 430 [2025-04-24 17:11:37,996 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:11:37,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-24 17:11:37,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:37,996 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 436 [2025-04-24 17:11:37,996 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:11:37,996 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:11:37,996 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:11:37,997 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:11:37,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1066633356, now seen corresponding path program 12 times [2025-04-24 17:11:37,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:11:37,997 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624091416] [2025-04-24 17:11:37,997 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:11:37,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:11:38,029 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 439 statements into 20 equivalence classes. [2025-04-24 17:11:40,040 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 439 of 439 statements. [2025-04-24 17:11:40,040 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-04-24 17:11:40,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:11:44,082 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 17:11:44,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:11:44,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624091416] [2025-04-24 17:11:44,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624091416] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:11:44,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124931518] [2025-04-24 17:11:44,082 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:11:44,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:11:44,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:11:44,084 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 17:11:44,085 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 17:11:44,281 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 439 statements into 20 equivalence classes. [2025-04-24 17:12:11,490 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) and asserted 439 of 439 statements. [2025-04-24 17:12:11,490 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2025-04-24 17:12:11,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:11,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 1967 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-24 17:12:11,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:12:15,382 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 17:12:15,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:12:15,944 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 17:12:15,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124931518] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:12:15,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:12:15,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 91, 10] total 180 [2025-04-24 17:12:15,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933968578] [2025-04-24 17:12:15,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:12:15,945 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 180 states [2025-04-24 17:12:15,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:12:15,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2025-04-24 17:12:15,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2344, Invalid=29876, Unknown=0, NotChecked=0, Total=32220 [2025-04-24 17:12:15,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:15,949 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:12:15,950 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 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:15,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:23,394 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:12:23,447 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 17:12:23,595 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 17:12:23,595 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 17:12:23,595 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:12:23,595 INFO L139 ounterexampleChecker]: Examining path program with hash -589851801, occurence #1 [2025-04-24 17:12:23,595 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:12:23,595 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:12:23,596 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:12:23,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1349055681, now seen corresponding path program 13 times [2025-04-24 17:12:23,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:12:23,596 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505380101] [2025-04-24 17:12:23,596 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:12:23,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:23,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 17:12:23,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 17:12:23,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:23,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:26,994 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 17:12:26,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:12:26,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505380101] [2025-04-24 17:12:26,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505380101] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:12:26,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433742123] [2025-04-24 17:12:26,994 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:12:26,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:12:26,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:12:26,996 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 17:12:26,997 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 17:12:27,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 17:12:27,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 17:12:27,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:27,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:27,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 1751 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-24 17:12:27,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:12:30,677 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 17:12:30,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:12:33,157 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 17:12:33,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433742123] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:12:33,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:12:33,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 77, 77] total 191 [2025-04-24 17:12:33,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439932938] [2025-04-24 17:12:33,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:12:33,158 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-04-24 17:12:33,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:12:33,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-04-24 17:12:33,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8268, Invalid=28404, Unknown=0, NotChecked=0, Total=36672 [2025-04-24 17:12:33,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:33,164 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:12:33,164 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 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:12:33,164 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:35,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:12:35,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:12:35,184 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 17:12:35,375 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 17:12:35,376 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 17:12:35,376 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:12:35,376 INFO L139 ounterexampleChecker]: Examining path program with hash -817024151, occurence #1 [2025-04-24 17:12:35,376 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:12:35,376 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:12:35,377 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:12:35,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1974386993, now seen corresponding path program 14 times [2025-04-24 17:12:35,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:12:35,377 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428444176] [2025-04-24 17:12:35,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:12:35,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:35,405 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-04-24 17:12:35,491 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 17:12:35,491 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:12:35,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:45,149 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 17:12:45,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:12:45,150 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428444176] [2025-04-24 17:12:45,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428444176] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:12:45,150 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042692222] [2025-04-24 17:12:45,150 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:12:45,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:12:45,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:12:45,152 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 17:12:45,153 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 17:12:45,358 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 484 statements into 2 equivalence classes. [2025-04-24 17:12:45,509 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 484 of 484 statements. [2025-04-24 17:12:45,509 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:12:45,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:12:45,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 2141 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-04-24 17:12:45,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:12:49,739 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 17:12:49,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:12:54,856 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 17:12:54,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042692222] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:12:54,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:12:54,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [141, 79, 79] total 295 [2025-04-24 17:12:54,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52683269] [2025-04-24 17:12:54,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:12:54,858 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 296 states [2025-04-24 17:12:54,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:12:54,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 296 interpolants. [2025-04-24 17:12:54,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13174, Invalid=74146, Unknown=0, NotChecked=0, Total=87320 [2025-04-24 17:12:54,864 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:54,865 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:12:54,865 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 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:12:54,865 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:12:55,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:12:55,458 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 17:12:55,648 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 17:12:55,649 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 17:12:55,649 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:12:55,649 INFO L139 ounterexampleChecker]: Examining path program with hash -817024151, occurence #2 [2025-04-24 17:12:55,649 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:12:55,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:12:55,649 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:55,649 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-24 17:12:55,649 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:12:55,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-24 17:12:55,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:55,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-24 17:12:55,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:55,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-24 17:12:55,650 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:12:55,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-24 17:12:55,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:55,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 17:12:55,650 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:12:55,650 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 379 [2025-04-24 17:12:55,653 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:12:55,653 INFO L85 PathProgramCache]: Analyzing trace with hash -328852275, now seen corresponding path program 1 times [2025-04-24 17:12:55,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:12:55,653 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182455725] [2025-04-24 17:12:55,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:12:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:12:55,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 17:12:55,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 17:12:55,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:12:55,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:02,754 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 17:13:02,754 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:13:02,754 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182455725] [2025-04-24 17:13:02,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182455725] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:02,755 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1061300103] [2025-04-24 17:13:02,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:13:02,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:02,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 380 statements into 1 equivalence classes. [2025-04-24 17:13:02,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 380 of 380 statements. [2025-04-24 17:13:02,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:13:02,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:02,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-24 17:13:02,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:13:10,920 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 17:13:10,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1061300103] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:10,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:13:10,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 121] total 241 [2025-04-24 17:13:10,920 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:13:10,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 444 [2025-04-24 17:13:10,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:10,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 456 [2025-04-24 17:13:10,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:10,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 460 [2025-04-24 17:13:10,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:10,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 472 [2025-04-24 17:13:10,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:10,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-24 17:13:10,921 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:10,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 480 [2025-04-24 17:13:10,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:10,921 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-24 17:13:10,921 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:10,921 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:13:10,921 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:13:10,921 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:13:10,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1531304045, now seen corresponding path program 15 times [2025-04-24 17:13:10,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:13:10,921 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949911453] [2025-04-24 17:13:10,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:13:10,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:10,951 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 485 statements into 23 equivalence classes. [2025-04-24 17:13:12,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 17:13:12,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-04-24 17:13:12,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:22,138 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 17:13:22,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:13:22,138 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949911453] [2025-04-24 17:13:22,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949911453] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:22,138 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971163475] [2025-04-24 17:13:22,138 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-24 17:13:22,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:13:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:13:22,140 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 17:13:22,140 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 17:13:22,361 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 485 statements into 23 equivalence classes. [2025-04-24 17:13:35,352 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) and asserted 485 of 485 statements. [2025-04-24 17:13:35,353 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2025-04-24 17:13:35,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:35,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-24 17:13:35,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:13:40,381 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 17:13:40,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:13:46,465 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 17:13:46,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971163475] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:13:46,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:13:46,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 90, 90] total 319 [2025-04-24 17:13:46,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034014589] [2025-04-24 17:13:46,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:13:46,467 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 320 states [2025-04-24 17:13:46,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:13:46,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 320 interpolants. [2025-04-24 17:13:46,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16322, Invalid=85758, Unknown=0, NotChecked=0, Total=102080 [2025-04-24 17:13:46,476 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:46,476 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:13:46,477 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 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:13:46,477 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:13:47,101 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:13:47,102 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:13:47,127 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 17:13:47,302 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 17:13:47,302 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 17:13:47,302 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:13:47,302 INFO L139 ounterexampleChecker]: Examining path program with hash -817024151, occurence #3 [2025-04-24 17:13:47,302 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:13:47,302 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:13:47,302 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-24 17:13:47,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 17:13:47,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 17:13:47,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-04-24 17:13:47,303 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 17:13:47,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 17:13:47,303 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:47,303 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 389 [2025-04-24 17:13:47,306 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:13:47,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1852670056, now seen corresponding path program 1 times [2025-04-24 17:13:47,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:13:47,306 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123030092] [2025-04-24 17:13:47,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:13:47,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:47,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 390 statements into 1 equivalence classes. [2025-04-24 17:13:48,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 390 of 390 statements. [2025-04-24 17:13:48,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:13:48,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-24 17:13:48,046 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-24 17:13:48,046 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 454 [2025-04-24 17:13:48,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 466 [2025-04-24 17:13:48,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 470 [2025-04-24 17:13:48,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 482 [2025-04-24 17:13:48,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 487 [2025-04-24 17:13:48,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 490 [2025-04-24 17:13:48,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 17:13:48,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:13:48,046 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:13:48,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:13:48,047 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:13:48,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1987211859, now seen corresponding path program 16 times [2025-04-24 17:13:48,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:13:48,047 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292847268] [2025-04-24 17:13:48,048 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:13:48,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:13:48,077 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 495 statements into 2 equivalence classes. [2025-04-24 17:13:48,103 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 17:13:48,103 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:13:48,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:49,381 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 17:13:49,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:13:49,381 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292847268] [2025-04-24 17:13:49,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292847268] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:13:49,381 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837109373] [2025-04-24 17:13:49,381 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-24 17:13:49,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:13:49,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:13:49,384 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 17:13:49,385 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 17:13:49,630 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 495 statements into 2 equivalence classes. [2025-04-24 17:13:49,688 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 17:13:49,688 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-24 17:13:49,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:13:49,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 100 conjuncts are in the unsatisfiable core [2025-04-24 17:13:49,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:13:51,833 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 17:13:51,833 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:13:52,343 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 17:13:52,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837109373] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:13:52,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:13:52,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 101, 9] total 109 [2025-04-24 17:13:52,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641017491] [2025-04-24 17:13:52,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:13:52,344 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-24 17:13:52,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:13:52,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-24 17:13:52,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=657, Invalid=11115, Unknown=0, NotChecked=0, Total=11772 [2025-04-24 17:13:52,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:52,346 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:13:52,346 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 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:13:52,346 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:14:01,003 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:14:01,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 17:14:01,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-24 17:14:01,205 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 17:14:01,205 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 17:14:01,205 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:14:01,205 INFO L139 ounterexampleChecker]: Examining path program with hash 968900283, occurence #1 [2025-04-24 17:14:01,205 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:14:01,205 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:14:01,206 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:14:01,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1372124255, now seen corresponding path program 17 times [2025-04-24 17:14:01,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:14:01,206 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615975965] [2025-04-24 17:14:01,206 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:14:01,240 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 503 statements into 26 equivalence classes. [2025-04-24 17:14:01,923 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 17:14:01,923 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2025-04-24 17:14:01,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:14:07,770 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 17:14:07,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:14:07,770 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615975965] [2025-04-24 17:14:07,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615975965] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:14:07,771 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501517748] [2025-04-24 17:14:07,771 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-24 17:14:07,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:14:07,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:14:07,772 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 17:14:07,773 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 17:14:08,025 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 503 statements into 26 equivalence classes. [2025-04-24 17:15:07,609 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) and asserted 503 of 503 statements. [2025-04-24 17:15:07,609 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2025-04-24 17:15:07,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:07,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 104 conjuncts are in the unsatisfiable core [2025-04-24 17:15:07,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:15:12,454 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 17:15:12,454 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:15:16,649 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 17:15:16,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501517748] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:15:16,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:15:16,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 102, 102] total 254 [2025-04-24 17:15:16,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736650112] [2025-04-24 17:15:16,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:15:16,651 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 255 states [2025-04-24 17:15:16,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:15:16,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 255 interpolants. [2025-04-24 17:15:16,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14631, Invalid=50139, Unknown=0, NotChecked=0, Total=64770 [2025-04-24 17:15:16,657 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:16,657 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:15:16,657 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 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:15:16,657 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 17:15:16,658 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:17,032 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 17:15:17,033 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:15:17,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-24 17:15:17,234 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 17:15:17,234 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 17:15:17,234 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:15:17,234 INFO L139 ounterexampleChecker]: Examining path program with hash 968900283, occurence #2 [2025-04-24 17:15:17,234 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:15:17,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:15:17,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-24 17:15:17,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-24 17:15:17,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 476 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 484 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 488 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 492 [2025-04-24 17:15:17,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 496 [2025-04-24 17:15:17,235 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 499 [2025-04-24 17:15:17,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:17,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 502 [2025-04-24 17:15:17,235 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:15:17,235 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:15:17,235 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:15:17,236 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:15:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2090096481, now seen corresponding path program 18 times [2025-04-24 17:15:17,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:15:17,236 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643582951] [2025-04-24 17:15:17,236 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:15:17,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:15:17,267 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 505 statements into 27 equivalence classes. [2025-04-24 17:15:18,995 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) and asserted 505 of 505 statements. [2025-04-24 17:15:18,995 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2025-04-24 17:15:18,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:15:25,185 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 17:15:25,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:15:25,185 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643582951] [2025-04-24 17:15:25,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643582951] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:15:25,185 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367590443] [2025-04-24 17:15:25,185 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-24 17:15:25,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:15:25,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:15:25,187 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 17:15:25,187 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 17:15:25,440 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 505 statements into 27 equivalence classes. [2025-04-24 17:17:22,814 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) and asserted 505 of 505 statements. [2025-04-24 17:17:22,814 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2025-04-24 17:17:22,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:22,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-24 17:17:22,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:17:27,809 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 17:17:27,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:17:32,160 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 17:17:32,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367590443] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:17:32,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:17:32,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 261 [2025-04-24 17:17:32,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689888417] [2025-04-24 17:17:32,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:17:32,161 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2025-04-24 17:17:32,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:17:32,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2025-04-24 17:17:32,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15370, Invalid=53012, Unknown=0, NotChecked=0, Total=68382 [2025-04-24 17:17:32,167 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:32,167 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:17:32,167 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 17:17:32,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:32,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:17:32,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:17:32,167 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:32,168 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:32,599 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:32,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:32,748 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 17:17:32,800 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 17:17:32,800 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 17:17:32,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:17:32,801 INFO L139 ounterexampleChecker]: Examining path program with hash 968900283, occurence #3 [2025-04-24 17:17:32,801 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:17:32,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-24 17:17:32,801 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-24 17:17:32,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-04-24 17:17:32,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-24 17:17:32,801 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-24 17:17:32,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,801 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-24 17:17:32,801 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2025-04-24 17:17:32,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-04-24 17:17:32,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 489 [2025-04-24 17:17:32,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 493 [2025-04-24 17:17:32,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-24 17:17:32,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 500 [2025-04-24 17:17:32,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:32,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 503 [2025-04-24 17:17:32,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:17:32,802 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-24 17:17:32,802 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:17:32,802 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:17:32,802 INFO L85 PathProgramCache]: Analyzing trace with hash -2046173759, now seen corresponding path program 19 times [2025-04-24 17:17:32,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:17:32,802 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369067359] [2025-04-24 17:17:32,802 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:17:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:32,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 506 statements into 1 equivalence classes. [2025-04-24 17:17:32,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 506 of 506 statements. [2025-04-24 17:17:32,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:17:32,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:39,259 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 17:17:39,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:17:39,259 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369067359] [2025-04-24 17:17:39,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369067359] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:17:39,259 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80256336] [2025-04-24 17:17:39,259 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-24 17:17:39,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:17:39,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:17:39,261 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 17:17:39,262 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 17:17:39,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 506 statements into 1 equivalence classes. [2025-04-24 17:17:39,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 506 of 506 statements. [2025-04-24 17:17:39,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:17:39,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:17:39,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 2297 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-24 17:17:39,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:17:45,536 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 17:17:45,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:17:49,980 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 17:17:49,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80256336] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:17:49,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:17:49,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 105, 105] total 261 [2025-04-24 17:17:49,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95976037] [2025-04-24 17:17:49,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:17:49,981 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 262 states [2025-04-24 17:17:49,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:17:49,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 262 interpolants. [2025-04-24 17:17:49,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15317, Invalid=53065, Unknown=0, NotChecked=0, Total=68382 [2025-04-24 17:17:49,987 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:49,987 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:17:49,988 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 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:49,988 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:54,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:17:54,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-24 17:17:54,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-04-24 17:17:54,263 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 17:17:54,264 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 17:17:54,264 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:17:54,264 INFO L139 ounterexampleChecker]: Examining path program with hash 1764242805, occurence #1 [2025-04-24 17:17:54,264 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-24 17:17:54,264 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-24 17:17:54,265 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:17:54,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1710426992, now seen corresponding path program 20 times [2025-04-24 17:17:54,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-24 17:17:54,265 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580274780] [2025-04-24 17:17:54,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:17:54,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:17:54,301 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 622 statements into 2 equivalence classes. [2025-04-24 17:17:54,434 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 622 of 622 statements. [2025-04-24 17:17:54,434 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:17:54,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:12,092 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 17:18:12,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-24 17:18:12,092 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580274780] [2025-04-24 17:18:12,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580274780] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:12,092 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796393518] [2025-04-24 17:18:12,092 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-24 17:18:12,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-24 17:18:12,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-24 17:18:12,094 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 17:18:12,095 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 17:18:12,386 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 622 statements into 2 equivalence classes. [2025-04-24 17:18:12,578 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 622 of 622 statements. [2025-04-24 17:18:12,578 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-24 17:18:12,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:12,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 2732 conjuncts, 109 conjuncts are in the unsatisfiable core [2025-04-24 17:18:12,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:18:19,894 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 17:18:19,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-24 17:18:28,950 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 17:18:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796393518] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-24 17:18:28,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-24 17:18:28,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [186, 107, 107] total 396 [2025-04-24 17:18:28,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203056993] [2025-04-24 17:18:28,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-24 17:18:28,952 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 397 states [2025-04-24 17:18:28,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-24 17:18:28,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 397 interpolants. [2025-04-24 17:18:28,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24026, Invalid=133186, Unknown=0, NotChecked=0, Total=157212 [2025-04-24 17:18:28,964 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:28,964 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-24 17:18:28,965 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 397 states, 397 states have (on average 4.0327455919395465) internal successors, (1601), 396 states have internal predecessors, (1601), 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 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:18:28,965 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2025-04-24 17:18:28,966 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2025-04-24 17:18:30,037 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-24 17:18:30,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-24 17:18:30,238 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-04-24 17:18:30,238 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-24 17:18:30,238 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-24 17:18:30,238 INFO L139 ounterexampleChecker]: Examining path program with hash 1764242805, occurence #2 [2025-04-24 17:18:30,238 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-24 17:18:30,238 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-24 17:18:30,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-24 17:18:30,239 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-24 17:18:30,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-24 17:18:30,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-04-24 17:18:30,239 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-24 17:18:30,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-24 17:18:30,239 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-24 17:18:30,239 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 497 [2025-04-24 17:18:30,242 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:18:30,243 INFO L85 PathProgramCache]: Analyzing trace with hash -360470951, now seen corresponding path program 1 times [2025-04-24 17:18:30,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:18:30,243 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575726540] [2025-04-24 17:18:30,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:30,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:30,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-24 17:18:30,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-24 17:18:30,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:30,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6709 backedges. 5200 proven. 1509 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:36,952 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-24 17:18:36,952 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575726540] [2025-04-24 17:18:36,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575726540] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:36,953 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [901746685] [2025-04-24 17:18:36,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:36,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:36,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 498 statements into 1 equivalence classes. [2025-04-24 17:18:37,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 498 of 498 statements. [2025-04-24 17:18:37,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:37,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-24 17:18:37,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 2261 conjuncts, 111 conjuncts are in the unsatisfiable core [2025-04-24 17:18:37,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-24 17:18:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 6709 backedges. 5278 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-24 17:18:42,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [901746685] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-24 17:18:42,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-24 17:18:42,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 108] total 215 [2025-04-24 17:18:42,446 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-24 17:18:42,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 587 [2025-04-24 17:18:42,451 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-24 17:18:42,451 INFO L85 PathProgramCache]: Analyzing trace with hash -970146473, now seen corresponding path program 1 times [2025-04-24 17:18:42,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-24 17:18:42,451 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543393228] [2025-04-24 17:18:42,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-24 17:18:42,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-24 17:18:42,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 588 statements into 1 equivalence classes. [2025-04-24 17:18:42,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 588 of 588 statements. [2025-04-24 17:18:42,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-24 17:18:42,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat