./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.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/chl-poker-hand-subst.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 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --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 13:29:35,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 13:29:35,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 13:29:35,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 13:29:35,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 13:29:35,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 13:29:35,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 13:29:35,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 13:29:35,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 13:29:35,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 13:29:35,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 13:29:35,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 13:29:35,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 13:29:35,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 13:29:35,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 13:29:35,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 13:29:35,223 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 13:29:35,223 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 -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 13:29:35,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 13:29:35,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 13:29:35,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 13:29:35,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 13:29:35,419 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 13:29:35,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-12-17 13:29:36,498 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1e902ed51/b443a6006261445f975810198ffad34d/FLAGce3fae798 [2024-12-17 13:29:36,772 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 13:29:36,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-12-17 13:29:36,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1e902ed51/b443a6006261445f975810198ffad34d/FLAGce3fae798 [2024-12-17 13:29:37,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/1e902ed51/b443a6006261445f975810198ffad34d [2024-12-17 13:29:37,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 13:29:37,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 13:29:37,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 13:29:37,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 13:29:37,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 13:29:37,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1acd32b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37, skipping insertion in model container [2024-12-17 13:29:37,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 13:29:37,292 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-12-17 13:29:37,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 13:29:37,307 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 13:29:37,366 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-12-17 13:29:37,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 13:29:37,388 INFO L204 MainTranslator]: Completed translation [2024-12-17 13:29:37,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37 WrapperNode [2024-12-17 13:29:37,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 13:29:37,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 13:29:37,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 13:29:37,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 13:29:37,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,466 INFO L138 Inliner]: procedures = 25, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2348 [2024-12-17 13:29:37,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 13:29:37,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 13:29:37,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 13:29:37,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 13:29:37,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,486 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 13:29:37,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 13:29:37,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 13:29:37,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 13:29:37,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (1/1) ... [2024-12-17 13:29:37,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 13:29:37,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:37,595 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 13:29:37,597 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 13:29:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 13:29:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 13:29:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 13:29:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 13:29:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 13:29:37,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 13:29:37,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 13:29:37,617 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 13:29:37,769 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 13:29:37,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 13:29:39,381 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 13:29:39,381 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 13:29:40,912 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 13:29:40,912 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-17 13:29:40,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:29:40 BoogieIcfgContainer [2024-12-17 13:29:40,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 13:29:40,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 13:29:40,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 13:29:40,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 13:29:40,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 01:29:37" (1/3) ... [2024-12-17 13:29:40,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd8e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:29:40, skipping insertion in model container [2024-12-17 13:29:40,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:29:37" (2/3) ... [2024-12-17 13:29:40,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd8e32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:29:40, skipping insertion in model container [2024-12-17 13:29:40,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:29:40" (3/3) ... [2024-12-17 13:29:40,918 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-12-17 13:29:40,929 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 13:29:40,930 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 98 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2024-12-17 13:29:40,930 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 13:29:41,231 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-17 13:29:41,276 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 13:29:41,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 13:29:41,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:41,278 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 13:29:41,280 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 13:29:41,427 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 13:29:41,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 13:29:41,445 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;@69a8c5d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 13:29:41,446 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-17 13:29:41,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:41,650 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:41,650 INFO L139 ounterexampleChecker]: Examining path program with hash -1973993382, occurence #1 [2024-12-17 13:29:41,650 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:29:41,650 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:41,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:41,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1983494184, now seen corresponding path program 1 times [2024-12-17 13:29:41,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:41,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465288345] [2024-12-17 13:29:41,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:41,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:42,151 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 13:29:42,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:42,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465288345] [2024-12-17 13:29:42,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465288345] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:29:42,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:29:42,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:29:42,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989765916] [2024-12-17 13:29:42,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:29:42,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:29:42,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:29:42,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:29:42,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:29:42,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:42,174 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:29:42,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 13:29:42,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:42,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 13:29:42,319 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:42,319 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:42,319 INFO L139 ounterexampleChecker]: Examining path program with hash 1689746703, occurence #1 [2024-12-17 13:29:42,319 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:29:42,319 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:42,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:42,319 INFO L85 PathProgramCache]: Analyzing trace with hash -860601062, now seen corresponding path program 1 times [2024-12-17 13:29:42,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:42,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916414690] [2024-12-17 13:29:42,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:42,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 13:29:42,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:42,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916414690] [2024-12-17 13:29:42,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916414690] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:29:42,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440512024] [2024-12-17 13:29:42,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:42,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:42,727 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 13:29:42,728 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 13:29:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:43,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-17 13:29:43,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:29:43,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-17 13:29:43,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:29:43,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440512024] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:29:43,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 13:29:43,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-12-17 13:29:43,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772880526] [2024-12-17 13:29:43,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:29:43,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:29:43,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:29:43,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:29:43,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-17 13:29:43,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:43,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:29:43,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:29:43,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:43,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:43,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:43,309 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 13:29:43,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:43,501 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:43,501 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:43,501 INFO L139 ounterexampleChecker]: Examining path program with hash 1689746703, occurence #2 [2024-12-17 13:29:43,501 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:29:43,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 13:29:43,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 13:29:43,514 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 13:29:43,515 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 13:29:43,515 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-12-17 13:29:43,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 13:29:43,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 13:29:43,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-17 13:29:43,515 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:43,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-17 13:29:43,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:43,515 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:29:43,515 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:43,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:43,515 INFO L85 PathProgramCache]: Analyzing trace with hash -995183136, now seen corresponding path program 1 times [2024-12-17 13:29:43,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:43,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764012487] [2024-12-17 13:29:43,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 13:29:43,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:43,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764012487] [2024-12-17 13:29:43,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764012487] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:29:43,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896484241] [2024-12-17 13:29:43,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:43,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:43,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:43,784 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 13:29:43,786 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 13:29:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:44,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 13:29:44,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:29:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 13:29:44,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 13:29:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 13:29:44,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896484241] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 13:29:44,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 13:29:44,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2024-12-17 13:29:44,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392199585] [2024-12-17 13:29:44,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 13:29:44,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 13:29:44,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:29:44,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 13:29:44,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-12-17 13:29:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:44,250 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:29:44,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:29:44,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:44,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:44,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:44,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:44,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:44,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:44,532 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 13:29:44,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:44,724 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:44,725 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:44,725 INFO L139 ounterexampleChecker]: Examining path program with hash 1689746703, occurence #3 [2024-12-17 13:29:44,725 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 13:29:44,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 13:29:44,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 13:29:44,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:44,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-12-17 13:29:44,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:44,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 13:29:44,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 13:29:44,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 13:29:44,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 13:29:44,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:44,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 13:29:44,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:44,726 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:29:44,726 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:44,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash -2053242563, now seen corresponding path program 1 times [2024-12-17 13:29:44,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:44,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651854474] [2024-12-17 13:29:44,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:44,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-17 13:29:45,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:45,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651854474] [2024-12-17 13:29:45,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651854474] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:29:45,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170595337] [2024-12-17 13:29:45,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:45,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:45,126 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 13:29:45,128 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 13:29:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:45,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 13:29:45,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:29:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-17 13:29:45,662 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 13:29:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-17 13:29:45,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170595337] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 13:29:45,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 13:29:45,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-12-17 13:29:45,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832769082] [2024-12-17 13:29:45,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 13:29:45,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-17 13:29:45,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:29:45,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-17 13:29:45,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2024-12-17 13:29:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:45,724 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:29:45,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 17 states have internal predecessors, (86), 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 13:29:45,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:45,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:45,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:45,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:46,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 13:29:46,032 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 13:29:46,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:46,224 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:46,224 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:46,225 INFO L139 ounterexampleChecker]: Examining path program with hash 1689746703, occurence #4 [2024-12-17 13:29:46,225 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:29:46,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 13:29:46,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:29:46,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 13:29:46,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 13:29:46,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 13:29:46,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,225 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 13:29:46,225 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-12-17 13:29:46,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2024-12-17 13:29:46,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2024-12-17 13:29:46,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2024-12-17 13:29:46,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2024-12-17 13:29:46,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2024-12-17 13:29:46,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-17 13:29:46,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-17 13:29:46,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:46,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 13:29:46,226 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:46,226 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:29:46,226 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:46,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:46,226 INFO L85 PathProgramCache]: Analyzing trace with hash 640663383, now seen corresponding path program 2 times [2024-12-17 13:29:46,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:46,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001362050] [2024-12-17 13:29:46,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 13:29:46,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:46,323 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 13:29:46,323 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 13:29:46,503 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-12-17 13:29:46,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:46,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001362050] [2024-12-17 13:29:46,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001362050] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:29:46,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:29:46,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:29:46,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258979682] [2024-12-17 13:29:46,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:29:46,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:29:46,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:29:46,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:29:46,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:29:46,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:46,504 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:29:46,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:29:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 13:29:46,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 13:29:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:46,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-17 13:29:46,597 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:46,597 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:46,597 INFO L139 ounterexampleChecker]: Examining path program with hash 1454235824, occurence #1 [2024-12-17 13:29:46,597 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:29:46,597 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:46,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:46,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1192941672, now seen corresponding path program 1 times [2024-12-17 13:29:46,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:46,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107221042] [2024-12-17 13:29:46,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:46,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-12-17 13:29:47,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:47,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107221042] [2024-12-17 13:29:47,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107221042] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:29:47,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348176316] [2024-12-17 13:29:47,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:29:47,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:47,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:47,286 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 13:29:47,287 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 13:29:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:29:47,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 13:29:47,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:29:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-12-17 13:29:48,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 13:29:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-12-17 13:29:48,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348176316] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 13:29:48,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 13:29:48,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2024-12-17 13:29:48,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215770311] [2024-12-17 13:29:48,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 13:29:48,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-17 13:29:48,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 13:29:48,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-17 13:29:48,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=722, Unknown=0, NotChecked=0, Total=1190 [2024-12-17 13:29:48,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:48,288 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:29:48,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.857142857142857) internal successors, (100), 35 states have internal predecessors, (100), 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 13:29:48,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:48,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:48,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:48,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 13:29:48,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:48,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:29:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:29:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 13:29:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:29:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 13:29:48,675 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 13:29:48,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:48,869 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:29:48,870 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:29:48,870 INFO L139 ounterexampleChecker]: Examining path program with hash 1454235824, occurence #2 [2024-12-17 13:29:48,870 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:29:48,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 13:29:48,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:29:48,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 13:29:48,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2024-12-17 13:29:48,871 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2024-12-17 13:29:48,871 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 13:29:48,871 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 13:29:48,871 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 13:29:48,871 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 13:29:48,871 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2024-12-17 13:29:48,871 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:48,871 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-12-17 13:29:48,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 13:29:48,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-17 13:29:48,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 136 [2024-12-17 13:29:48,872 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:29:48,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 13:29:48,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:29:48,872 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:29:48,872 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:29:48,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:29:48,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1991835793, now seen corresponding path program 2 times [2024-12-17 13:29:48,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 13:29:48,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047887016] [2024-12-17 13:29:48,873 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 13:29:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 13:29:50,555 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 13:29:50,556 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 13:29:53,919 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-17 13:29:53,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 13:29:53,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047887016] [2024-12-17 13:29:53,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047887016] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 13:29:53,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908503733] [2024-12-17 13:29:53,919 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 13:29:53,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:29:53,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:29:53,921 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 13:29:53,923 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 13:29:54,504 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 13:29:54,504 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 13:29:54,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-17 13:29:54,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:30:31,629 WARN L286 SmtUtils]: Spent 23.35s on a formula simplification that was a NOOP. DAG size: 2306 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-17 13:30:31,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 13:30:31,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 47 select indices, 47 select index equivalence classes, 1 disjoint index pairs (out of 1081 index pairs), introduced 47 new quantified variables, introduced 1081 case distinctions, treesize of input 502 treesize of output 8027 [2024-12-17 13:33:42,198 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-17 13:33:42,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-12-17 13:33:42,199 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-17 13:33:42,209 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 13:33:42,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:42,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-17 13:33:42,405 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:291) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 60 more [2024-12-17 13:33:42,412 INFO L158 Benchmark]: Toolchain (without parser) took 245355.32ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 105.3MB in the beginning and 963.2MB in the end (delta: -857.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-12-17 13:33:42,412 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-17 13:33:42,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.80ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 80.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-17 13:33:42,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.56ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 68.7MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-17 13:33:42,412 INFO L158 Benchmark]: Boogie Preprocessor took 102.38ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 58.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-17 13:33:42,413 INFO L158 Benchmark]: RCFGBuilder took 3341.46ms. Allocated memory was 142.6MB in the beginning and 553.6MB in the end (delta: 411.0MB). Free memory was 58.3MB in the beginning and 456.8MB in the end (delta: -398.6MB). Peak memory consumption was 177.0MB. Max. memory is 16.1GB. [2024-12-17 13:33:42,413 INFO L158 Benchmark]: TraceAbstraction took 241497.59ms. Allocated memory was 553.6MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 453.9MB in the beginning and 963.2MB in the end (delta: -509.3MB). Peak memory consumption was 982.6MB. Max. memory is 16.1GB. [2024-12-17 13:33:42,414 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 127.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.80ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 80.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.56ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 68.7MB in the end (delta: 11.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.38ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 58.3MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3341.46ms. Allocated memory was 142.6MB in the beginning and 553.6MB in the end (delta: 411.0MB). Free memory was 58.3MB in the beginning and 456.8MB in the end (delta: -398.6MB). Peak memory consumption was 177.0MB. Max. memory is 16.1GB. * TraceAbstraction took 241497.59ms. Allocated memory was 553.6MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 453.9MB in the beginning and 963.2MB in the end (delta: -509.3MB). Peak memory consumption was 982.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/chl-poker-hand-subst.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.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 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 --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 13:33:44,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 13:33:44,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-12-17 13:33:44,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 13:33:44,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 13:33:44,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 13:33:44,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 13:33:44,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 13:33:44,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 13:33:44,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 13:33:44,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 13:33:44,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 13:33:44,353 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 13:33:44,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 13:33:44,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 13:33:44,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 13:33:44,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 13:33:44,355 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 13:33:44,356 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 13:33:44,356 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 -> 6f5429be3277265830db62d0e901249d8c763b3d6d062789dc5a6193a05c0714 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 13:33:44,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 13:33:44,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 13:33:44,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 13:33:44,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 13:33:44,629 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 13:33:44,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-12-17 13:33:45,725 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3c1f4b988/293ca0eb1b3b4c0694b2199b247f40a2/FLAG4c87d4dda [2024-12-17 13:33:45,883 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 13:33:45,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2024-12-17 13:33:45,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3c1f4b988/293ca0eb1b3b4c0694b2199b247f40a2/FLAG4c87d4dda [2024-12-17 13:33:45,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/3c1f4b988/293ca0eb1b3b4c0694b2199b247f40a2 [2024-12-17 13:33:45,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 13:33:45,904 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 13:33:45,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 13:33:45,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 13:33:45,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 13:33:45,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:33:45" (1/1) ... [2024-12-17 13:33:45,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6b768e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:45, skipping insertion in model container [2024-12-17 13:33:45,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 01:33:45" (1/1) ... [2024-12-17 13:33:45,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 13:33:46,177 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-12-17 13:33:46,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 13:33:46,191 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 13:33:46,276 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/chl-poker-hand-subst.wvr.c[19288,19301] [2024-12-17 13:33:46,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 13:33:46,293 INFO L204 MainTranslator]: Completed translation [2024-12-17 13:33:46,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46 WrapperNode [2024-12-17 13:33:46,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 13:33:46,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 13:33:46,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 13:33:46,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 13:33:46,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,406 INFO L138 Inliner]: procedures = 27, calls = 439, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2315 [2024-12-17 13:33:46,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 13:33:46,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 13:33:46,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 13:33:46,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 13:33:46,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 13:33:46,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 13:33:46,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 13:33:46,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 13:33:46,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (1/1) ... [2024-12-17 13:33:46,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 13:33:46,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:46,555 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 13:33:46,558 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 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 13:33:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 13:33:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 13:33:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 13:33:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 13:33:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-17 13:33:46,577 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 13:33:46,742 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 13:33:46,744 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 13:33:48,556 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 13:33:48,556 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 13:33:50,390 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 13:33:50,391 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-12-17 13:33:50,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:33:50 BoogieIcfgContainer [2024-12-17 13:33:50,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 13:33:50,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 13:33:50,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 13:33:50,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 13:33:50,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 01:33:45" (1/3) ... [2024-12-17 13:33:50,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab73b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:33:50, skipping insertion in model container [2024-12-17 13:33:50,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 01:33:46" (2/3) ... [2024-12-17 13:33:50,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab73b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 01:33:50, skipping insertion in model container [2024-12-17 13:33:50,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 01:33:50" (3/3) ... [2024-12-17 13:33:50,398 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2024-12-17 13:33:50,408 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 13:33:50,410 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-poker-hand-subst.wvr.c that has 4 procedures, 98 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2024-12-17 13:33:50,410 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 13:33:50,762 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-17 13:33:50,804 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 13:33:50,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 13:33:50,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:50,807 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 13:33:50,808 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 13:33:50,965 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 13:33:50,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 13:33:50,983 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;@36654e81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 13:33:50,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-17 13:33:51,232 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:51,232 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:51,234 INFO L139 ounterexampleChecker]: Examining path program with hash 125076953, occurence #1 [2024-12-17 13:33:51,234 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:33:51,234 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:51,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:51,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1324340504, now seen corresponding path program 1 times [2024-12-17 13:33:51,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:51,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [464005950] [2024-12-17 13:33:51,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:33:51,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:51,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:51,250 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 13:33:51,251 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 13:33:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:33:51,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-17 13:33:51,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:51,758 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 13:33:51,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:33:51,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:51,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464005950] [2024-12-17 13:33:51,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464005950] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:33:51,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:33:51,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 13:33:51,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451759115] [2024-12-17 13:33:51,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:33:51,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-17 13:33:51,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:51,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-17 13:33:51,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-17 13:33:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:51,776 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:51,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 13:33:51,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:51,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:51,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 13:33:52,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:52,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:52,148 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:52,148 INFO L139 ounterexampleChecker]: Examining path program with hash -1014991717, occurence #1 [2024-12-17 13:33:52,148 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:33:52,148 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:52,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:52,148 INFO L85 PathProgramCache]: Analyzing trace with hash 979296061, now seen corresponding path program 1 times [2024-12-17 13:33:52,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:52,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561020344] [2024-12-17 13:33:52,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:33:52,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:52,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:52,151 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 13:33:52,153 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 13:33:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:33:52,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-17 13:33:52,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:52,626 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 13:33:52,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:33:52,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561020344] [2024-12-17 13:33:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561020344] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:33:52,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:33:52,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:33:52,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452792719] [2024-12-17 13:33:52,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:33:52,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:33:52,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:52,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:33:52,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:33:52,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:52,628 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:52,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 13:33:52,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:52,628 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:52,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:52,795 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 13:33:52,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:52,991 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:52,991 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:52,991 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #1 [2024-12-17 13:33:52,991 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 13:33:52,991 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:52,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:52,991 INFO L85 PathProgramCache]: Analyzing trace with hash 785787696, now seen corresponding path program 1 times [2024-12-17 13:33:52,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:52,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748119311] [2024-12-17 13:33:52,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:33:52,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:52,994 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 13:33:52,995 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 13:33:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:33:53,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 13:33:53,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-17 13:33:53,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:33:53,433 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:53,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748119311] [2024-12-17 13:33:53,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748119311] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:33:53,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:33:53,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:33:53,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169653002] [2024-12-17 13:33:53,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:33:53,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:33:53,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:53,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:33:53,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:33:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:53,436 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:53,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 13:33:53,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:53,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:53,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:53,608 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 13:33:53,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:53,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:53,803 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:53,803 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #2 [2024-12-17 13:33:53,803 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:33:53,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 13:33:53,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:33:53,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 13:33:53,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-17 13:33:53,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 13:33:53,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-17 13:33:53,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 13:33:53,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 13:33:53,814 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:53,814 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 13:33:53,814 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:53,814 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 13:33:53,814 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:53,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 13:33:53,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2024-12-17 13:33:53,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-17 13:33:53,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 13:33:53,815 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:53,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 13:33:53,815 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:53,815 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:33:53,815 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:53,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash -444113675, now seen corresponding path program 1 times [2024-12-17 13:33:53,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:53,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524138879] [2024-12-17 13:33:53,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:33:53,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:53,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:53,818 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 13:33:53,820 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 13:33:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:33:54,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 13:33:54,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-17 13:33:54,247 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:33:54,247 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:54,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524138879] [2024-12-17 13:33:54,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524138879] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:33:54,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:33:54,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-17 13:33:54,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847806222] [2024-12-17 13:33:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:33:54,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:33:54,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:54,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:33:54,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:33:54,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:54,248 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:54,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:33:54,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:54,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:54,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:54,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:54,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-17 13:33:54,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:54,606 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:54,606 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:54,606 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #3 [2024-12-17 13:33:54,606 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:33:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:33:54,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 13:33:54,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:33:54,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:33:54,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,606 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:33:54,606 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 13:33:54,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 13:33:54,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 13:33:54,607 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 13:33:54,607 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 13:33:54,607 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2024-12-17 13:33:54,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-17 13:33:54,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-12-17 13:33:54,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 13:33:54,607 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:54,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-17 13:33:54,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:54,607 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:33:54,607 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:54,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:54,608 INFO L85 PathProgramCache]: Analyzing trace with hash 634680173, now seen corresponding path program 1 times [2024-12-17 13:33:54,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:54,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [567240017] [2024-12-17 13:33:54,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:33:54,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:54,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:54,611 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 13:33:54,611 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 13:33:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:33:55,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-17 13:33:55,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-17 13:33:55,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 13:33:55,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:55,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567240017] [2024-12-17 13:33:55,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567240017] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 13:33:55,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 13:33:55,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 13:33:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973094777] [2024-12-17 13:33:55,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 13:33:55,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 13:33:55,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:55,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-17 13:33:55,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-17 13:33:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:55,091 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:55,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 13:33:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-17 13:33:55,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:55,417 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:55,417 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:55,417 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #4 [2024-12-17 13:33:55,417 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:33:55,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2024-12-17 13:33:55,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,417 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 13:33:55,417 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 13:33:55,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 13:33:55,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 13:33:55,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 13:33:55,418 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:55,418 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-12-17 13:33:55,418 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:55,418 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:33:55,418 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:55,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:55,419 INFO L85 PathProgramCache]: Analyzing trace with hash -495902941, now seen corresponding path program 1 times [2024-12-17 13:33:55,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:55,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [805311383] [2024-12-17 13:33:55,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 13:33:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:55,421 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 13:33:55,422 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 13:33:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 13:33:55,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-17 13:33:55,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-17 13:33:55,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 13:33:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-12-17 13:33:55,898 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:55,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805311383] [2024-12-17 13:33:55,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805311383] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 13:33:55,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 13:33:55,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-12-17 13:33:55,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914379979] [2024-12-17 13:33:55,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 13:33:55,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 13:33:55,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:55,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 13:33:55,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-17 13:33:55,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:55,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:55,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 13:33:55,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:55,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:55,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:56,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 13:33:56,202 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 13:33:56,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:56,393 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:56,393 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:56,394 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #5 [2024-12-17 13:33:56,394 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 13:33:56,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 13:33:56,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-17 13:33:56,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2024-12-17 13:33:56,394 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,394 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2024-12-17 13:33:56,394 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:56,395 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2024-12-17 13:33:56,395 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:56,395 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:33:56,395 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:56,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:56,395 INFO L85 PathProgramCache]: Analyzing trace with hash 620862128, now seen corresponding path program 2 times [2024-12-17 13:33:56,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:56,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1690171986] [2024-12-17 13:33:56,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 13:33:56,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:56,400 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 13:33:56,401 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 13:33:57,119 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 13:33:57,120 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 13:33:57,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 13:33:57,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-17 13:33:57,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 13:33:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-17 13:33:57,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:33:57,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690171986] [2024-12-17 13:33:57,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690171986] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 13:33:57,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 13:33:57,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 13:33:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029742681] [2024-12-17 13:33:57,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 13:33:57,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-17 13:33:57,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:33:57,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-17 13:33:57,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-12-17 13:33:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:57,211 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:33:57,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 13:33:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 13:33:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:33:57,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 13:33:57,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:57,854 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:33:57,854 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:33:57,854 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #6 [2024-12-17 13:33:57,854 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-17 13:33:57,854 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-17 13:33:57,854 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 13:33:57,854 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2024-12-17 13:33:57,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-17 13:33:57,855 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:33:57,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 106 [2024-12-17 13:33:57,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:33:57,855 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:33:57,855 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:33:57,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:33:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1886630344, now seen corresponding path program 3 times [2024-12-17 13:33:57,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:33:57,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1450180574] [2024-12-17 13:33:57,856 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 13:33:57,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:33:57,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:33:57,857 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 13:33:57,858 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 13:33:58,628 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 13:33:58,628 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 13:33:58,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-17 13:33:58,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 13:33:59,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-17 13:33:59,570 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 181 treesize of output 153 [2024-12-17 13:34:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-17 13:34:00,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 13:34:02,845 INFO L349 Elim1Store]: treesize reduction 210, result has 75.1 percent of original size [2024-12-17 13:34:02,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 267 treesize of output 747 [2024-12-17 13:34:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-17 13:34:13,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-17 13:34:13,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450180574] [2024-12-17 13:34:13,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450180574] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 13:34:13,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 13:34:13,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2024-12-17 13:34:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315682116] [2024-12-17 13:34:13,619 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-17 13:34:13,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-17 13:34:13,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-17 13:34:13,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-17 13:34:13,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-12-17 13:34:13,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:34:13,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 13:34:13,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 22 states have internal predecessors, (124), 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 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:34:13,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 13:34:14,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 13:34:14,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 13:34:14,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 13:34:14,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:34:14,693 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-17 13:34:14,693 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 13:34:14,693 INFO L139 ounterexampleChecker]: Examining path program with hash -1781484108, occurence #7 [2024-12-17 13:34:14,693 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 13:34:14,693 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 13:34:14,693 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2024-12-17 13:34:14,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-12-17 13:34:14,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2024-12-17 13:34:14,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-17 13:34:14,694 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 13:34:14,694 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-17 13:34:14,694 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 13:34:14,694 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 13:34:14,694 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 13:34:14,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 13:34:14,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1860593301, now seen corresponding path program 4 times [2024-12-17 13:34:14,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-17 13:34:14,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963949831] [2024-12-17 13:34:14,695 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 13:34:14,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 13:34:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 13:34:14,697 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 13:34:14,697 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 Killed by 15