./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 14:04:54,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 14:04:54,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 14:04:54,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 14:04:54,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 14:04:54,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 14:04:54,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 14:04:54,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 14:04:54,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 14:04:54,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 14:04:54,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 14:04:54,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 14:04:54,283 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 14:04:54,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 14:04:54,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 14:04:54,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:04:54,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 14:04:54,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 14:04:54,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 14:04:54,286 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 14:04:54,286 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 14:04:54,286 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 14:04:54,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d41b1dc1d5d7eec1f1fd4e3cbbef0194aa2dded6486a15b383e9bb8fe1468a3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 14:04:54,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 14:04:54,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 14:04:54,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 14:04:54,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 14:04:54,496 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 14:04:54,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2024-12-17 14:04:55,623 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a58f7af4a/e0c52cac569241c2a11515ea7f24a8a4/FLAGba7212d8e [2024-12-17 14:04:55,880 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 14:04:55,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c [2024-12-17 14:04:55,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a58f7af4a/e0c52cac569241c2a11515ea7f24a8a4/FLAGba7212d8e [2024-12-17 14:04:56,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/a58f7af4a/e0c52cac569241c2a11515ea7f24a8a4 [2024-12-17 14:04:56,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 14:04:56,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 14:04:56,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 14:04:56,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 14:04:56,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 14:04:56,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdc694e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56, skipping insertion in model container [2024-12-17 14:04:56,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 14:04:56,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2024-12-17 14:04:56,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:04:56,343 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 14:04:56,358 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-parallel-sum-equiv.wvr.c[3822,3835] [2024-12-17 14:04:56,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 14:04:56,369 INFO L204 MainTranslator]: Completed translation [2024-12-17 14:04:56,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56 WrapperNode [2024-12-17 14:04:56,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 14:04:56,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 14:04:56,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 14:04:56,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 14:04:56,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,397 INFO L138 Inliner]: procedures = 26, calls = 53, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2024-12-17 14:04:56,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 14:04:56,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 14:04:56,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 14:04:56,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 14:04:56,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,411 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,416 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 14:04:56,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 14:04:56,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 14:04:56,423 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 14:04:56,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (1/1) ... [2024-12-17 14:04:56,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 14:04:56,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:04:56,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 14:04:56,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 14:04:56,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 14:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 14:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 14:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 14:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 14:04:56,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 14:04:56,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 14:04:56,474 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 14:04:56,558 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 14:04:56,559 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 14:04:56,867 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 14:04:56,868 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 14:04:57,114 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 14:04:57,115 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-17 14:04:57,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:04:57 BoogieIcfgContainer [2024-12-17 14:04:57,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 14:04:57,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 14:04:57,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 14:04:57,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 14:04:57,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:04:56" (1/3) ... [2024-12-17 14:04:57,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac218e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:04:57, skipping insertion in model container [2024-12-17 14:04:57,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:04:56" (2/3) ... [2024-12-17 14:04:57,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ac218e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:04:57, skipping insertion in model container [2024-12-17 14:04:57,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:04:57" (3/3) ... [2024-12-17 14:04:57,124 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2024-12-17 14:04:57,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 14:04:57,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-parallel-sum-equiv.wvr.c that has 5 procedures, 48 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 14:04:57,138 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 14:04:57,190 INFO L143 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2024-12-17 14:04:57,225 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:04:57,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 14:04:57,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:04:57,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 14:04:57,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 14:04:57,292 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 14:04:57,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2024-12-17 14:04:57,313 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38cbf5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:04:57,313 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-17 14:04:57,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-12-17 14:04:57,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork1Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-12-17 14:04:57,673 INFO L422 BasicCegarLoop]: Path program histogram: [] [2024-12-17 14:04:57,675 INFO L319 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork1 was SAFE,SAFE (1/2) [2024-12-17 14:04:57,678 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:04:57,680 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 14:04:57,681 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 14:04:57,682 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@38cbf5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 14:04:57,682 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 14:04:57,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:04:57,728 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:04:57,728 INFO L139 ounterexampleChecker]: Examining path program with hash 33808319, occurence #1 [2024-12-17 14:04:57,728 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:04:57,728 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:04:57,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:04:57,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1145552558, now seen corresponding path program 1 times [2024-12-17 14:04:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:04:57,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502207213] [2024-12-17 14:04:57,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:04:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:04:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:04:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:04:57,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:04:57,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502207213] [2024-12-17 14:04:57,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502207213] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:04:57,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:04:57,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 14:04:57,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361308530] [2024-12-17 14:04:57,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:04:57,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-17 14:04:57,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:04:57,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-17 14:04:57,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-17 14:04:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:57,917 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:04:57,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:04:57,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 14:04:58,176 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:04:58,176 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:04:58,176 INFO L139 ounterexampleChecker]: Examining path program with hash -854697820, occurence #1 [2024-12-17 14:04:58,176 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:04:58,176 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:04:58,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:04:58,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1047919218, now seen corresponding path program 1 times [2024-12-17 14:04:58,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:04:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892607470] [2024-12-17 14:04:58,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:04:58,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:04:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:04:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:04:58,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:04:58,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892607470] [2024-12-17 14:04:58,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892607470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:04:58,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:04:58,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 14:04:58,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217054070] [2024-12-17 14:04:58,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:04:58,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 14:04:58,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:04:58,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 14:04:58,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 14:04:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,455 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:04:58,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:04:58,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:04:58,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 14:04:58,573 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:04:58,573 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:04:58,573 INFO L139 ounterexampleChecker]: Examining path program with hash 719431554, occurence #1 [2024-12-17 14:04:58,573 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:04:58,574 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:04:58,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:04:58,574 INFO L85 PathProgramCache]: Analyzing trace with hash 36044585, now seen corresponding path program 1 times [2024-12-17 14:04:58,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:04:58,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393887476] [2024-12-17 14:04:58,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:04:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:04:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:04:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:04:58,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:04:58,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393887476] [2024-12-17 14:04:58,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393887476] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:04:58,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:04:58,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 14:04:58,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203188825] [2024-12-17 14:04:58,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:04:58,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 14:04:58,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:04:58,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 14:04:58,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-17 14:04:58,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:04:58,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:04:58,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:04:58,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:04:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:04:58,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 14:04:58,900 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:04:58,900 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:04:58,900 INFO L139 ounterexampleChecker]: Examining path program with hash 719431554, occurence #2 [2024-12-17 14:04:58,900 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:04:58,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:04:58,901 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 14:04:58,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 14:04:58,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:04:58,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 14:04:58,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 14:04:58,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 14:04:58,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 14:04:58,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 14:04:58,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-17 14:04:58,920 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:58,920 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 14:04:58,920 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:58,920 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:04:58,920 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:04:58,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:04:58,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1946332658, now seen corresponding path program 1 times [2024-12-17 14:04:58,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:04:58,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253480191] [2024-12-17 14:04:58,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:04:58,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:04:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:04:59,096 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:04:59,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:04:59,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253480191] [2024-12-17 14:04:59,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253480191] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:04:59,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493835937] [2024-12-17 14:04:59,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:04:59,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:04:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:04:59,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:04:59,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 14:04:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:04:59,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 14:04:59,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:04:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:04:59,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:04:59,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 14:04:59,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493835937] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:04:59,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:04:59,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-17 14:04:59,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277639468] [2024-12-17 14:04:59,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:04:59,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-17 14:04:59,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:04:59,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-17 14:04:59,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-12-17 14:04:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:59,359 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:04:59,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.25) internal successors, (87), 11 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:04:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:04:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:04:59,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:59,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:04:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:04:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:04:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:04:59,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 14:04:59,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:04:59,732 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:04:59,732 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:04:59,732 INFO L139 ounterexampleChecker]: Examining path program with hash 719431554, occurence #3 [2024-12-17 14:04:59,732 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:04:59,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:04:59,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 14:04:59,732 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:59,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 14:04:59,732 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 14:04:59,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:04:59,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 14:04:59,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 14:04:59,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 14:04:59,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-17 14:04:59,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-17 14:04:59,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:04:59,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 14:04:59,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:04:59,733 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:04:59,733 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:04:59,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:04:59,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1035720777, now seen corresponding path program 2 times [2024-12-17 14:04:59,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:04:59,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737173972] [2024-12-17 14:04:59,734 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:04:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:04:59,770 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:04:59,771 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:00,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:00,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737173972] [2024-12-17 14:05:00,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737173972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:00,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238828883] [2024-12-17 14:05:00,019 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:05:00,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:00,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:00,021 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:00,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 14:05:00,108 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:05:00,108 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:00,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:05:00,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:05:00,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 14:05:00,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238828883] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:00,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:00,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 19 [2024-12-17 14:05:00,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704361292] [2024-12-17 14:05:00,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:00,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-17 14:05:00,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:00,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-17 14:05:00,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-12-17 14:05:00,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:00,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:00,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.95) internal successors, (119), 19 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:00,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:00,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:00,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:00,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:00,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:00,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:00,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 14:05:00,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:00,736 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:00,737 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:00,737 INFO L139 ounterexampleChecker]: Examining path program with hash 719431554, occurence #4 [2024-12-17 14:05:00,737 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:00,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 14:05:00,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:05:00,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 14:05:00,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 14:05:00,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 14:05:00,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 14:05:00,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-17 14:05:00,737 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-17 14:05:00,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:00,737 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 14:05:00,737 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:00,738 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 14:05:00,738 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:00,738 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:00,738 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:00,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:00,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1423443758, now seen corresponding path program 3 times [2024-12-17 14:05:00,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:00,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390680848] [2024-12-17 14:05:00,738 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:05:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:00,789 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:05:00,789 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:05:00,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:00,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390680848] [2024-12-17 14:05:00,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390680848] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:00,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273578382] [2024-12-17 14:05:00,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:05:00,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:00,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:00,960 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:00,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 14:05:01,046 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 14:05:01,046 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:01,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 14:05:01,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:05:01,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:05:01,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273578382] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:01,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:05:01,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 10] total 24 [2024-12-17 14:05:01,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078583404] [2024-12-17 14:05:01,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:05:01,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 14:05:01,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:01,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 14:05:01,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2024-12-17 14:05:01,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:01,295 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:01,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:01,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:01,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:01,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:01,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:01,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:01,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:01,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:01,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:01,692 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:01,692 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:01,692 INFO L139 ounterexampleChecker]: Examining path program with hash -514347224, occurence #1 [2024-12-17 14:05:01,692 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:05:01,692 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:01,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:01,693 INFO L85 PathProgramCache]: Analyzing trace with hash 596510516, now seen corresponding path program 4 times [2024-12-17 14:05:01,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:01,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049408045] [2024-12-17 14:05:01,693 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:05:01,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:01,705 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:05:01,705 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-17 14:05:01,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:01,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049408045] [2024-12-17 14:05:01,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049408045] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 14:05:01,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 14:05:01,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-17 14:05:01,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050623139] [2024-12-17 14:05:01,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 14:05:01,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 14:05:01,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:01,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 14:05:01,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-12-17 14:05:01,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:01,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:01,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:01,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:02,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:02,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:02,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-17 14:05:02,239 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:02,240 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:02,240 INFO L139 ounterexampleChecker]: Examining path program with hash 612861040, occurence #1 [2024-12-17 14:05:02,240 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:05:02,240 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:02,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:02,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1098356291, now seen corresponding path program 5 times [2024-12-17 14:05:02,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:02,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492139321] [2024-12-17 14:05:02,241 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:05:02,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:02,278 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 14:05:02,279 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-12-17 14:05:02,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:02,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492139321] [2024-12-17 14:05:02,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492139321] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:02,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1422854269] [2024-12-17 14:05:02,425 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:05:02,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:02,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:02,427 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:02,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 14:05:02,536 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 14:05:02,536 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:02,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 14:05:02,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 14:05:02,698 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 14:05:02,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1422854269] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:02,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:02,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 23 [2024-12-17 14:05:02,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934512912] [2024-12-17 14:05:02,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:02,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-17 14:05:02,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:02,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-17 14:05:02,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2024-12-17 14:05:02,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:02,812 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:02,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.791666666666667) internal successors, (139), 23 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:02,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:02,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:02,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:02,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 14:05:03,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:03,186 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:03,186 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:03,186 INFO L139 ounterexampleChecker]: Examining path program with hash 612861040, occurence #2 [2024-12-17 14:05:03,186 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:03,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:03,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 14:05:03,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:03,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 14:05:03,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 14:05:03,186 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,186 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 14:05:03,186 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 14:05:03,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 14:05:03,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-17 14:05:03,187 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-12-17 14:05:03,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-17 14:05:03,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2024-12-17 14:05:03,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 14:05:03,187 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 14:05:03,187 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:03,187 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-12-17 14:05:03,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:03,188 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:03,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:03,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:03,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1601210077, now seen corresponding path program 6 times [2024-12-17 14:05:03,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:03,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814140328] [2024-12-17 14:05:03,188 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:05:03,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:03,280 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-12-17 14:05:03,280 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 25 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:03,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:03,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814140328] [2024-12-17 14:05:03,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814140328] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:03,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420435172] [2024-12-17 14:05:03,537 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:05:03,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:03,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:03,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:03,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 14:05:03,639 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-12-17 14:05:03,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:03,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 14:05:03,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:03,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420435172] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:04,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:04,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 35 [2024-12-17 14:05:04,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994737278] [2024-12-17 14:05:04,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:04,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-12-17 14:05:04,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:04,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-12-17 14:05:04,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=938, Unknown=0, NotChecked=0, Total=1260 [2024-12-17 14:05:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:04,126 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:04,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.694444444444445) internal successors, (205), 35 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:04,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:04,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:04,376 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:04,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:04,571 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:04,571 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:04,572 INFO L139 ounterexampleChecker]: Examining path program with hash 612861040, occurence #3 [2024-12-17 14:05:04,572 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:04,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:04,572 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 14:05:04,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 14:05:04,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-17 14:05:04,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2024-12-17 14:05:04,573 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:04,573 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 14:05:04,573 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:04,573 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:04,573 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:04,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:04,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1724242941, now seen corresponding path program 7 times [2024-12-17 14:05:04,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:04,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938586370] [2024-12-17 14:05:04,574 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:05:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:05:04,940 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 14:05:04,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938586370] [2024-12-17 14:05:04,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938586370] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:04,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431837527] [2024-12-17 14:05:04,941 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:05:04,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:04,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:04,943 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:04,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 14:05:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:05:05,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-17 14:05:05,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:05,349 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 31 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 14:05:05,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 14:05:05,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431837527] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:05,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:05,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-12-17 14:05:05,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90092294] [2024-12-17 14:05:05,532 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:05,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-17 14:05:05,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:05,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-17 14:05:05,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=988, Unknown=0, NotChecked=0, Total=1332 [2024-12-17 14:05:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:05,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:05,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.054054054054054) internal successors, (150), 36 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:05,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:05,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 14:05:06,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:06,110 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:06,110 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:06,110 INFO L139 ounterexampleChecker]: Examining path program with hash 1358071868, occurence #1 [2024-12-17 14:05:06,110 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:05:06,110 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:06,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1777591115, now seen corresponding path program 8 times [2024-12-17 14:05:06,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:06,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032466665] [2024-12-17 14:05:06,110 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:05:06,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:06,136 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:05:06,136 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 21 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:06,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:06,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032466665] [2024-12-17 14:05:06,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032466665] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:06,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448884659] [2024-12-17 14:05:06,432 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:05:06,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:06,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:06,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:06,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 14:05:06,564 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:05:06,564 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:06,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-17 14:05:06,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 14:05:06,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:07,175 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 28 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 14:05:07,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448884659] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:07,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:07,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 46 [2024-12-17 14:05:07,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289760811] [2024-12-17 14:05:07,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:07,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-12-17 14:05:07,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:07,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-12-17 14:05:07,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1801, Unknown=0, NotChecked=0, Total=2162 [2024-12-17 14:05:07,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:07,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:07,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.085106382978723) internal successors, (239), 46 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:07,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:07,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:07,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:07,925 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:07,925 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:07,925 INFO L139 ounterexampleChecker]: Examining path program with hash 2141893054, occurence #1 [2024-12-17 14:05:07,925 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:05:07,925 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:07,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:07,925 INFO L85 PathProgramCache]: Analyzing trace with hash 230421649, now seen corresponding path program 9 times [2024-12-17 14:05:07,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:07,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663897646] [2024-12-17 14:05:07,925 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:05:07,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:08,121 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-12-17 14:05:08,122 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 229 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:08,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663897646] [2024-12-17 14:05:08,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663897646] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:08,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546625035] [2024-12-17 14:05:08,689 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:05:08,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:08,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:08,691 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:08,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 14:05:08,855 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-12-17 14:05:08,856 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:08,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-17 14:05:08,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:05:09,413 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:09,776 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 14:05:09,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546625035] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:09,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:09,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 64 [2024-12-17 14:05:09,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325103850] [2024-12-17 14:05:09,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:09,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-12-17 14:05:09,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:09,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-12-17 14:05:09,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1034, Invalid=3126, Unknown=0, NotChecked=0, Total=4160 [2024-12-17 14:05:09,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:09,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:09,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 5.184615384615385) internal successors, (337), 64 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:09,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:09,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:09,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:09,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:10,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:10,165 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:10,165 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:10,165 INFO L139 ounterexampleChecker]: Examining path program with hash 2141893054, occurence #2 [2024-12-17 14:05:10,165 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:10,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:10,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:10,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 14:05:10,165 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:10,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 14:05:10,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:10,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 14:05:10,165 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:10,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 14:05:10,165 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:10,165 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2024-12-17 14:05:10,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:10,304 INFO L85 PathProgramCache]: Analyzing trace with hash 912117379, now seen corresponding path program 1 times [2024-12-17 14:05:10,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:05:10,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942888151] [2024-12-17 14:05:10,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:05:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:05:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 210 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:11,071 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:05:11,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942888151] [2024-12-17 14:05:11,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942888151] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:11,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1603429761] [2024-12-17 14:05:11,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:05:11,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:05:11,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-17 14:05:11,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 228 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:11,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1603429761] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:11,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:05:11,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 62 [2024-12-17 14:05:11,875 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:05:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2024-12-17 14:05:11,875 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:11,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 14:05:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 14:05:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-12-17 14:05:11,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2024-12-17 14:05:11,876 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:11,876 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-12-17 14:05:11,876 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:11,876 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:11,876 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:11,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:11,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1458190351, now seen corresponding path program 10 times [2024-12-17 14:05:11,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:11,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925939377] [2024-12-17 14:05:11,877 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:05:11,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:11,893 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:05:11,893 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-17 14:05:12,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:12,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925939377] [2024-12-17 14:05:12,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925939377] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:12,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993654917] [2024-12-17 14:05:12,075 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:05:12,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:12,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:12,077 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:12,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 14:05:12,180 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:05:12,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:12,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-17 14:05:12,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 247 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-17 14:05:12,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 228 proven. 19 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-17 14:05:12,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993654917] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:12,787 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:12,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 26, 13] total 45 [2024-12-17 14:05:12,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409213352] [2024-12-17 14:05:12,788 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:12,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-17 14:05:12,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:12,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-17 14:05:12,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=1430, Unknown=0, NotChecked=0, Total=1980 [2024-12-17 14:05:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:12,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:12,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 7.111111111111111) internal successors, (320), 45 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:12,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:12,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:12,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:12,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:12,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:12,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:14,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:14,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-12-17 14:05:14,418 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:14,418 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:14,419 INFO L139 ounterexampleChecker]: Examining path program with hash 2033258335, occurence #1 [2024-12-17 14:05:14,419 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:05:14,419 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:14,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:14,419 INFO L85 PathProgramCache]: Analyzing trace with hash -412564449, now seen corresponding path program 11 times [2024-12-17 14:05:14,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:14,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421829094] [2024-12-17 14:05:14,419 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:05:14,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:14,600 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-12-17 14:05:14,600 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:15,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421829094] [2024-12-17 14:05:15,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421829094] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:15,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063695690] [2024-12-17 14:05:15,689 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:05:15,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:15,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:15,691 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:15,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 14:05:16,756 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-12-17 14:05:16,756 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:16,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-17 14:05:16,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:17,702 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 419 proven. 105 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:18,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063695690] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:18,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:18,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 91 [2024-12-17 14:05:18,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662214385] [2024-12-17 14:05:18,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:18,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-12-17 14:05:18,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:18,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-12-17 14:05:18,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2062, Invalid=6310, Unknown=0, NotChecked=0, Total=8372 [2024-12-17 14:05:18,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:18,325 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:18,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.760869565217392) internal successors, (438), 91 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:18,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:18,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:18,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-17 14:05:18,724 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:18,725 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:18,725 INFO L139 ounterexampleChecker]: Examining path program with hash 2033258335, occurence #2 [2024-12-17 14:05:18,725 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:18,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 14:05:18,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 14:05:18,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 14:05:18,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 14:05:18,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2024-12-17 14:05:18,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:05:18,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2024-12-17 14:05:18,795 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:18,796 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:18,796 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:18,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:18,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1899170707, now seen corresponding path program 1 times [2024-12-17 14:05:18,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:05:18,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550483374] [2024-12-17 14:05:18,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:05:18,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:05:18,949 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:05:18,949 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:05:18,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-17 14:05:18,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2024-12-17 14:05:18,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-17 14:05:18,949 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:18,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2024-12-17 14:05:18,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 176 [2024-12-17 14:05:18,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 208 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-12-17 14:05:18,950 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:18,950 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2024-12-17 14:05:18,950 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:18,950 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:18,950 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:18,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1706070145, now seen corresponding path program 12 times [2024-12-17 14:05:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:18,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277997055] [2024-12-17 14:05:18,951 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:05:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:19,441 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-12-17 14:05:19,441 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:20,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 392 proven. 416 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-12-17 14:05:20,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:20,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277997055] [2024-12-17 14:05:20,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277997055] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:20,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666022668] [2024-12-17 14:05:20,652 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:05:20,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:20,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:20,653 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:20,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 14:05:21,390 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-12-17 14:05:21,390 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:21,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-17 14:05:21,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:22,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 811 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:24,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666022668] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:24,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:24,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 48, 48] total 115 [2024-12-17 14:05:24,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574514671] [2024-12-17 14:05:24,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:24,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-12-17 14:05:24,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:24,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-12-17 14:05:24,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2849, Invalid=10261, Unknown=0, NotChecked=0, Total=13110 [2024-12-17 14:05:24,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:24,024 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:24,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.339130434782609) internal successors, (614), 115 states have internal predecessors, (614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:24,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:24,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:24,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-12-17 14:05:24,727 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:24,727 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:24,727 INFO L139 ounterexampleChecker]: Examining path program with hash 2033258335, occurence #3 [2024-12-17 14:05:24,727 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:24,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:24,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 14:05:24,727 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:24,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 14:05:24,727 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 14:05:24,728 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 14:05:24,728 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:24,728 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2024-12-17 14:05:24,755 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:05:24,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2024-12-17 14:05:24,774 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:24,774 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:24,774 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:24,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:24,776 INFO L85 PathProgramCache]: Analyzing trace with hash 45418046, now seen corresponding path program 1 times [2024-12-17 14:05:24,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:05:24,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988270451] [2024-12-17 14:05:24,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:05:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:05:24,935 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:05:24,935 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:05:24,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-12-17 14:05:24,936 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,936 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2024-12-17 14:05:24,937 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2024-12-17 14:05:24,938 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 202 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 214 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 218 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 230 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 242 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 250 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-17 14:05:24,938 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:24,938 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 260 [2024-12-17 14:05:24,938 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:24,938 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:24,938 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:24,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:24,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1494000333, now seen corresponding path program 13 times [2024-12-17 14:05:24,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:24,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153880882] [2024-12-17 14:05:24,939 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:05:24,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:05:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 717 proven. 669 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:28,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:28,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153880882] [2024-12-17 14:05:28,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153880882] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:28,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426214999] [2024-12-17 14:05:28,146 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 14:05:28,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:28,148 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:28,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 14:05:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:05:28,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-17 14:05:28,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 325 proven. 669 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:30,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:32,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1386 backedges. 351 proven. 643 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:32,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426214999] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:32,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:32,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 52, 52] total 180 [2024-12-17 14:05:32,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919560390] [2024-12-17 14:05:32,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:32,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-12-17 14:05:32,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:32,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-12-17 14:05:32,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4889, Invalid=27691, Unknown=0, NotChecked=0, Total=32580 [2024-12-17 14:05:32,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:32,388 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:32,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 3.546961325966851) internal successors, (642), 180 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:32,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:34,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:05:34,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-17 14:05:34,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:34,450 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:34,450 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:34,451 INFO L139 ounterexampleChecker]: Examining path program with hash 1347169243, occurence #1 [2024-12-17 14:05:34,451 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:05:34,451 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:34,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:34,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1153232170, now seen corresponding path program 14 times [2024-12-17 14:05:34,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:34,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727269097] [2024-12-17 14:05:34,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:05:34,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:34,526 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:05:34,527 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:38,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1232 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:05:38,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:38,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727269097] [2024-12-17 14:05:38,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727269097] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:38,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352443874] [2024-12-17 14:05:38,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 14:05:38,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:38,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:38,198 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:38,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-17 14:05:38,407 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 14:05:38,407 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:38,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-17 14:05:38,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:40,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:40,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 1014 proven. 351 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:42,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352443874] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:42,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:42,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 55, 55] total 193 [2024-12-17 14:05:42,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750379663] [2024-12-17 14:05:42,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:42,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2024-12-17 14:05:42,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:42,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2024-12-17 14:05:42,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5213, Invalid=32229, Unknown=0, NotChecked=0, Total=37442 [2024-12-17 14:05:42,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:42,688 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:42,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 194 states, 194 states have (on average 3.577319587628866) internal successors, (694), 193 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:05:42,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:05:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:05:43,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-17 14:05:43,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-12-17 14:05:43,275 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:43,276 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:43,277 INFO L139 ounterexampleChecker]: Examining path program with hash 1347169243, occurence #2 [2024-12-17 14:05:43,277 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:43,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 14:05:43,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 14:05:43,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 14:05:43,277 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 14:05:43,277 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:43,277 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2024-12-17 14:05:43,315 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:05:43,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2024-12-17 14:05:45,338 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:45,338 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_3 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:45,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash 312648707, now seen corresponding path program 1 times [2024-12-17 14:05:45,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:05:45,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627712195] [2024-12-17 14:05:45,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:05:45,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 14:05:45,522 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 14:05:45,522 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 14:05:45,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2024-12-17 14:05:45,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-12-17 14:05:45,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-12-17 14:05:45,522 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:45,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-12-17 14:05:45,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 235 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 239 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 243 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,523 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2024-12-17 14:05:45,523 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-12-17 14:05:45,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2024-12-17 14:05:45,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 279 [2024-12-17 14:05:45,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-12-17 14:05:45,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 285 [2024-12-17 14:05:45,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-17 14:05:45,524 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:45,524 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-17 14:05:45,524 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:45,524 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:05:45,524 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:05:45,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash 500884787, now seen corresponding path program 15 times [2024-12-17 14:05:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:05:45,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092845499] [2024-12-17 14:05:45,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:05:45,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:46,588 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-12-17 14:05:46,589 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 975 proven. 417 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-17 14:05:48,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:05:48,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092845499] [2024-12-17 14:05:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092845499] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:05:48,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703380036] [2024-12-17 14:05:48,657 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 14:05:48,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:05:48,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:05:48,658 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:05:48,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-17 14:05:51,525 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-12-17 14:05:51,525 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:05:51,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-17 14:05:51,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:05:53,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-17 14:05:53,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:05:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 392 proven. 1014 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-17 14:05:54,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703380036] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:05:54,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:05:54,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 61, 34] total 149 [2024-12-17 14:05:54,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145962956] [2024-12-17 14:05:54,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:05:54,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-12-17 14:05:54,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:05:54,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-12-17 14:05:54,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1892, Invalid=20160, Unknown=0, NotChecked=0, Total=22052 [2024-12-17 14:05:54,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:54,898 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:05:54,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 4.865771812080537) internal successors, (725), 149 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:05:54,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:05:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 14:05:57,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-12-17 14:05:57,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-12-17 14:05:57,475 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:05:57,475 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:05:57,475 INFO L139 ounterexampleChecker]: Examining path program with hash 2033258335, occurence #4 [2024-12-17 14:05:57,475 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:05:57,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:05:57,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:57,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 14:05:57,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:57,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 14:05:57,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:57,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 14:05:57,475 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:05:57,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 14:05:57,475 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:05:57,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 237 [2024-12-17 14:05:57,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:05:57,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2024-12-17 14:05:58,603 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:58,603 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_4 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:05:58,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:05:58,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1786961861, now seen corresponding path program 1 times [2024-12-17 14:05:58,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:05:58,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955483693] [2024-12-17 14:05:58,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:05:58,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:05:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:06:00,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1320 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:06:00,527 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:06:00,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955483693] [2024-12-17 14:06:00,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955483693] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:06:00,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [474297666] [2024-12-17 14:06:00,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:06:00,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:06:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:06:00,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-17 14:06:00,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:06:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1365 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:06:02,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [474297666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:06:02,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:06:02,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 62] total 122 [2024-12-17 14:06:02,512 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:06:02,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-12-17 14:06:02,512 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-17 14:06:02,513 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 268 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 276 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 284 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,513 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 288 [2024-12-17 14:06:02,513 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 304 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 312 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 318 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2024-12-17 14:06:02,514 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:06:02,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 322 [2024-12-17 14:06:02,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:06:02,514 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:06:02,514 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:06:02,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:06:02,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1969650688, now seen corresponding path program 16 times [2024-12-17 14:06:02,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:06:02,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482219041] [2024-12-17 14:06:02,515 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:06:02,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:06:02,552 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:06:02,552 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:06:03,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-17 14:06:03,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:06:03,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482219041] [2024-12-17 14:06:03,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482219041] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:06:03,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965412388] [2024-12-17 14:06:03,498 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 14:06:03,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:06:03,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:06:03,500 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:06:03,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-17 14:06:03,692 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 14:06:03,693 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:06:03,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-12-17 14:06:03,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:06:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 1805 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-17 14:06:05,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:06:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 1365 proven. 440 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-17 14:06:06,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965412388] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:06:06,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:06:06,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 69, 37] total 103 [2024-12-17 14:06:06,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378305922] [2024-12-17 14:06:06,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:06:06,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-12-17 14:06:06,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:06:06,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-12-17 14:06:06,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1347, Invalid=9159, Unknown=0, NotChecked=0, Total=10506 [2024-12-17 14:06:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:06:06,208 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:06:06,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 5.504854368932039) internal successors, (567), 103 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:06:06,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-17 14:06:06,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:06:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 14:06:11,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-12-17 14:06:11,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-17 14:06:11,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2024-12-17 14:06:11,342 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:06:11,342 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:06:11,343 INFO L139 ounterexampleChecker]: Examining path program with hash 1569663337, occurence #1 [2024-12-17 14:06:11,343 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 14:06:11,343 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:06:11,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:06:11,343 INFO L85 PathProgramCache]: Analyzing trace with hash -178943028, now seen corresponding path program 17 times [2024-12-17 14:06:11,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:06:11,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171816373] [2024-12-17 14:06:11,343 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:06:11,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:06:12,683 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2024-12-17 14:06:12,684 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:06:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 7563 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:06:18,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:06:18,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171816373] [2024-12-17 14:06:18,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171816373] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:06:18,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611752633] [2024-12-17 14:06:18,095 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 14:06:18,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:06:18,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:06:18,097 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:06:18,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-17 14:10:49,885 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 35 check-sat command(s) [2024-12-17 14:10:49,885 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:10:49,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 2376 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-12-17 14:10:49,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:10:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 7106 proven. 406 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-12-17 14:10:54,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 14:10:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 7969 backedges. 7106 proven. 406 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-12-17 14:10:59,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611752633] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 14:10:59,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 14:10:59,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 100, 100] total 282 [2024-12-17 14:10:59,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150765123] [2024-12-17 14:10:59,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 14:10:59,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 283 states [2024-12-17 14:10:59,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 14:10:59,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 283 interpolants. [2024-12-17 14:10:59,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16602, Invalid=63204, Unknown=0, NotChecked=0, Total=79806 [2024-12-17 14:10:59,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:10:59,925 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 14:10:59,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 283 states, 283 states have (on average 5.30035335689046) internal successors, (1500), 282 states have internal predecessors, (1500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-12-17 14:10:59,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:11:00,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-12-17 14:11:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-12-17 14:11:00,661 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forcibly destroying the process [2024-12-17 14:11:00,862 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Could not destroy process within 200 ms, abandoning it [2024-12-17 14:11:00,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-12-17 14:11:00,862 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 14:11:00,862 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 14:11:00,863 INFO L139 ounterexampleChecker]: Examining path program with hash 1569663337, occurence #2 [2024-12-17 14:11:00,863 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 14:11:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 14:11:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 14:11:00,863 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:11:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 14:11:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 14:11:00,863 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:00,863 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 14:11:00,864 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:11:00,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2024-12-17 14:11:00,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:11:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1190633029, now seen corresponding path program 1 times [2024-12-17 14:11:00,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:11:00,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899186452] [2024-12-17 14:11:00,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:11:00,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:11:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:11:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8311 backedges. 6501 proven. 1810 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:11:10,384 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:11:10,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899186452] [2024-12-17 14:11:10,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899186452] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:11:10,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1685543844] [2024-12-17 14:11:10,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:11:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:11:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:11:10,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-12-17 14:11:10,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:11:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 8311 backedges. 6600 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:11:18,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1685543844] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:11:18,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:11:18,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130] total 258 [2024-12-17 14:11:18,180 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:11:18,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 495 [2024-12-17 14:11:18,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:11:18,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2024-12-17 14:11:20,234 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:11:20,235 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:11:20,235 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_5 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:11:20,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:11:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1821460712, now seen corresponding path program 1 times [2024-12-17 14:11:20,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:11:20,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756650208] [2024-12-17 14:11:20,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:11:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:11:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:11:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8579 backedges. 6769 proven. 1810 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:11:29,261 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:11:29,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756650208] [2024-12-17 14:11:29,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756650208] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:11:29,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1866326419] [2024-12-17 14:11:29,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:11:29,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:11:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:11:29,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 2248 conjuncts, 132 conjuncts are in the unsatisfiable core [2024-12-17 14:11:29,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:11:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8579 backedges. 6868 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:11:37,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1866326419] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:11:37,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:11:37,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [130, 130] total 258 [2024-12-17 14:11:37,141 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:11:37,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2024-12-17 14:11:37,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 14:11:37,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 3 [2024-12-17 14:11:39,207 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.offset_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:11:39,207 WARN L331 ript$VariableManager]: TermVariable v_~X_0~0.base_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:11:39,207 WARN L331 ript$VariableManager]: TermVariable v_~i_3~0_In_6 not constructed by VariableManager. Cannot ensure absence of name clashes. [2024-12-17 14:11:39,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:11:39,208 INFO L85 PathProgramCache]: Analyzing trace with hash -877287351, now seen corresponding path program 1 times [2024-12-17 14:11:39,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 14:11:39,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377640078] [2024-12-17 14:11:39,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:11:39,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:11:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:11:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8715 backedges. 6902 proven. 1813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:11:48,683 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 14:11:48,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377640078] [2024-12-17 14:11:48,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377640078] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:11:48,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [305511770] [2024-12-17 14:11:48,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 14:11:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:11:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 14:11:48,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 2308 conjuncts, 134 conjuncts are in the unsatisfiable core [2024-12-17 14:11:48,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 14:11:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 8715 backedges. 7004 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:11:57,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [305511770] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:11:57,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 14:11:57,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [132, 132] total 262 [2024-12-17 14:11:57,176 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 520 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 528 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2024-12-17 14:11:57,176 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 538 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 542 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 546 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 554 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 558 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 562 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 566 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 570 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 574 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 578 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 582 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 586 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,176 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 590 [2024-12-17 14:11:57,176 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 594 [2024-12-17 14:11:57,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 596 [2024-12-17 14:11:57,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 599 [2024-12-17 14:11:57,177 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 14:11:57,177 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 600 [2024-12-17 14:11:57,177 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 14:11:57,177 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 14:11:57,177 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 14:11:57,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 14:11:57,177 INFO L85 PathProgramCache]: Analyzing trace with hash -732414804, now seen corresponding path program 18 times [2024-12-17 14:11:57,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 14:11:57,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863655853] [2024-12-17 14:11:57,177 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:11:57,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 14:12:14,363 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2024-12-17 14:12:14,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 14:12:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9274 backedges. 1653 proven. 7621 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 14:12:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 14:12:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863655853] [2024-12-17 14:12:22,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863655853] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 14:12:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49881311] [2024-12-17 14:12:22,818 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 14:12:22,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 14:12:22,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 14:12:22,820 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 14:12:22,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process Killed by 15