./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 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/unroll-cond-5.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 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 04:43:49,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 04:43:49,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 04:43:49,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 04:43:49,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 04:43:49,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 04:43:49,242 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 04:43:49,242 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 04:43:49,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 04:43:49,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 04:43:49,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 04:43:49,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 04:43:49,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 04:43:49,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 04:43:49,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 04:43:49,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 04:43:49,245 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 04:43:49,245 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 -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 04:43:49,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 04:43:49,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 04:43:49,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 04:43:49,499 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 04:43:49,499 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 04:43:49,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2025-01-24 04:43:50,568 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/97b2d60ac/b0393c5e09fa44f4a1d982954cb55fa6/FLAG40d896206 [2025-01-24 04:43:50,737 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 04:43:50,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2025-01-24 04:43:50,742 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/97b2d60ac/b0393c5e09fa44f4a1d982954cb55fa6/FLAG40d896206 [2025-01-24 04:43:51,143 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/97b2d60ac/b0393c5e09fa44f4a1d982954cb55fa6 [2025-01-24 04:43:51,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 04:43:51,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 04:43:51,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 04:43:51,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 04:43:51,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 04:43:51,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d97883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51, skipping insertion in model container [2025-01-24 04:43:51,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,160 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 04:43:51,265 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/unroll-cond-5.wvr.c[3001,3014] [2025-01-24 04:43:51,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 04:43:51,280 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 04:43:51,320 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/unroll-cond-5.wvr.c[3001,3014] [2025-01-24 04:43:51,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 04:43:51,336 INFO L204 MainTranslator]: Completed translation [2025-01-24 04:43:51,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51 WrapperNode [2025-01-24 04:43:51,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 04:43:51,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 04:43:51,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 04:43:51,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 04:43:51,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,374 INFO L138 Inliner]: procedures = 23, calls = 35, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 188 [2025-01-24 04:43:51,379 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 04:43:51,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 04:43:51,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 04:43:51,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 04:43:51,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,395 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,413 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 04:43:51,414 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 04:43:51,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 04:43:51,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 04:43:51,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (1/1) ... [2025-01-24 04:43:51,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 04:43:51,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:43:51,438 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) [2025-01-24 04:43:51,441 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 [2025-01-24 04:43:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 04:43:51,459 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 04:43:51,459 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 04:43:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 04:43:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 04:43:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 04:43:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 04:43:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 04:43:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 04:43:51,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 04:43:51,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 04:43:51,461 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 04:43:51,537 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 04:43:51,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 04:43:51,791 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 04:43:51,791 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 04:43:52,025 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 04:43:52,025 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 04:43:52,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:43:52 BoogieIcfgContainer [2025-01-24 04:43:52,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 04:43:52,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 04:43:52,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 04:43:52,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 04:43:52,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 04:43:51" (1/3) ... [2025-01-24 04:43:52,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de9f080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 04:43:52, skipping insertion in model container [2025-01-24 04:43:52,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:43:51" (2/3) ... [2025-01-24 04:43:52,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de9f080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 04:43:52, skipping insertion in model container [2025-01-24 04:43:52,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:43:52" (3/3) ... [2025-01-24 04:43:52,034 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2025-01-24 04:43:52,045 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 04:43:52,047 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-5.wvr.c that has 3 procedures, 18 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-24 04:43:52,047 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 04:43:52,102 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-24 04:43:52,135 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 04:43:52,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 04:43:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:43:52,139 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) [2025-01-24 04:43:52,140 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 [2025-01-24 04:43:52,195 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 04:43:52,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 04:43:52,210 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;@186393ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 04:43:52,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-24 04:43:52,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:43:52,303 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:43:52,303 INFO L139 ounterexampleChecker]: Examining path program with hash 935377956, occurence #1 [2025-01-24 04:43:52,303 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 04:43:52,303 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:43:52,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:43:52,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1391087791, now seen corresponding path program 1 times [2025-01-24 04:43:52,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 04:43:52,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461102429] [2025-01-24 04:43:52,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:43:52,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 04:43:52,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-24 04:43:52,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-24 04:43:52,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:43:52,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:43:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 04:43:52,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 04:43:52,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461102429] [2025-01-24 04:43:52,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461102429] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 04:43:52,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 04:43:52,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 04:43:52,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827475864] [2025-01-24 04:43:52,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 04:43:52,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 04:43:52,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 04:43:52,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 04:43:52,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 04:43:52,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:43:52,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:43:52,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:43:52,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:43:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:43:52,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 04:43:52,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:43:52,702 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:43:52,702 INFO L139 ounterexampleChecker]: Examining path program with hash 935377956, occurence #2 [2025-01-24 04:43:52,702 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:43:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:43:52,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:43:52,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 04:43:52,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:43:52,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 04:43:52,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:43:52,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 04:43:52,715 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:43:52,715 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:43:52,715 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:43:52,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:43:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1317655096, now seen corresponding path program 1 times [2025-01-24 04:43:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 04:43:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721466569] [2025-01-24 04:43:52,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:43:52,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 04:43:52,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-24 04:43:52,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-24 04:43:52,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:43:52,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:43:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 04:43:52,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 04:43:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721466569] [2025-01-24 04:43:52,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721466569] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 04:43:52,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 04:43:52,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-24 04:43:52,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089743313] [2025-01-24 04:43:52,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 04:43:52,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 04:43:52,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 04:43:52,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 04:43:52,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-24 04:43:52,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:43:52,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:43:52,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:43:52,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:43:52,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:43:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:43:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:43:53,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-24 04:43:53,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:43:53,044 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:43:53,044 INFO L139 ounterexampleChecker]: Examining path program with hash 935377956, occurence #3 [2025-01-24 04:43:53,045 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:43:53,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:43:53,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:43:53,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 04:43:53,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:43:53,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 04:43:53,045 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:43:53,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 04:43:53,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:43:53,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 04:43:53,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:43:53,046 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:43:53,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:43:53,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:43:53,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2103107372, now seen corresponding path program 1 times [2025-01-24 04:43:53,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 04:43:53,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299878841] [2025-01-24 04:43:53,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:43:53,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 04:43:53,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-24 04:43:53,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-24 04:43:53,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:43:53,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:43:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 04:43:53,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 04:43:53,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299878841] [2025-01-24 04:43:53,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299878841] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 04:43:53,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121572150] [2025-01-24 04:43:53,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:43:53,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:43:53,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:43:53,341 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) [2025-01-24 04:43:53,343 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 [2025-01-24 04:43:53,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-24 04:43:53,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-24 04:43:53,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:43:53,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:43:53,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 04:43:53,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:43:53,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-24 04:43:53,949 INFO L349 Elim1Store]: treesize reduction 324, result has 7.2 percent of original size [2025-01-24 04:43:53,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 417 treesize of output 292 [2025-01-24 04:44:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 04:44:13,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 04:44:37,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 596 treesize of output 522 [2025-01-24 04:44:38,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 04:44:38,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 20 new quantified variables, introduced 55 case distinctions, treesize of input 18441 treesize of output 11621 [2025-01-24 04:47:15,707 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-01-24 04:47:18,645 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-01-24 04:47:24,445 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-01-24 04:47:25,912 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-01-24 04:47:28,750 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-01-24 04:47:30,638 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-01-24 04:47:40,562 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") [2025-01-24 04:47:40,563 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 [2025-01-24 04:47:40,563 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-24 04:47:40,569 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 [2025-01-24 04:47:40,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:40,770 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 [2025-01-24 04:47:40,770 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.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.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.SimplifyDDA2.simplify(SimplifyDDA2.java:590) 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:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$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.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.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) 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) ... 70 more [2025-01-24 04:47:40,779 INFO L158 Benchmark]: Toolchain (without parser) took 229633.65ms. Allocated memory was 83.9MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 59.3MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2025-01-24 04:47:40,779 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 04:47:40,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.27ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 45.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-24 04:47:40,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.94ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 04:47:40,780 INFO L158 Benchmark]: Boogie Preprocessor took 34.27ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 41.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-24 04:47:40,780 INFO L158 Benchmark]: RCFGBuilder took 612.20ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 32.0MB in the end (delta: 9.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2025-01-24 04:47:40,780 INFO L158 Benchmark]: TraceAbstraction took 228750.58ms. Allocated memory was 83.9MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 31.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2025-01-24 04:47:40,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.27ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 45.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.94ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.27ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 41.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.20ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 32.0MB in the end (delta: 9.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 228750.58ms. Allocated memory was 83.9MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 31.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.2GB. 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/unroll-cond-5.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 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 04:47:42,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 04:47:42,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2025-01-24 04:47:42,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 04:47:42,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 04:47:42,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 04:47:42,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 04:47:42,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 04:47:42,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 04:47:42,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 04:47:42,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 04:47:42,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 04:47:42,533 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 04:47:42,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 04:47:42,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 04:47:42,533 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 04:47:42,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 04:47:42,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 04:47:42,534 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 04:47:42,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 04:47:42,534 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 04:47:42,535 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 04:47:42,535 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 -> 052a68c73a5d1c6e7122fc0c660c02483f37277d0239d876d93b351fcdd64a16 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 04:47:42,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 04:47:42,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 04:47:42,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 04:47:42,772 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 04:47:42,772 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 04:47:42,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2025-01-24 04:47:43,886 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e5ba9a939/e5b834d46b414bd2864c78448e6efded/FLAG416289269 [2025-01-24 04:47:44,085 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 04:47:44,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-cond-5.wvr.c [2025-01-24 04:47:44,093 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e5ba9a939/e5b834d46b414bd2864c78448e6efded/FLAG416289269 [2025-01-24 04:47:44,108 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/e5ba9a939/e5b834d46b414bd2864c78448e6efded [2025-01-24 04:47:44,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 04:47:44,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 04:47:44,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 04:47:44,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 04:47:44,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 04:47:44,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16330ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44, skipping insertion in model container [2025-01-24 04:47:44,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 04:47:44,258 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/unroll-cond-5.wvr.c[3001,3014] [2025-01-24 04:47:44,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 04:47:44,276 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 04:47:44,333 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/unroll-cond-5.wvr.c[3001,3014] [2025-01-24 04:47:44,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 04:47:44,350 INFO L204 MainTranslator]: Completed translation [2025-01-24 04:47:44,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44 WrapperNode [2025-01-24 04:47:44,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 04:47:44,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 04:47:44,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 04:47:44,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 04:47:44,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,391 INFO L138 Inliner]: procedures = 25, calls = 35, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 186 [2025-01-24 04:47:44,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 04:47:44,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 04:47:44,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 04:47:44,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 04:47:44,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,410 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 04:47:44,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 04:47:44,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 04:47:44,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 04:47:44,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (1/1) ... [2025-01-24 04:47:44,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 04:47:44,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:44,460 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) [2025-01-24 04:47:44,464 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 [2025-01-24 04:47:44,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 04:47:44,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 04:47:44,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 04:47:44,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 04:47:44,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-01-24 04:47:44,483 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 04:47:44,553 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 04:47:44,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 04:47:44,895 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 04:47:44,895 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 04:47:45,169 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 04:47:45,169 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 04:47:45,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:47:45 BoogieIcfgContainer [2025-01-24 04:47:45,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 04:47:45,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 04:47:45,172 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 04:47:45,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 04:47:45,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 04:47:44" (1/3) ... [2025-01-24 04:47:45,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f8802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 04:47:45, skipping insertion in model container [2025-01-24 04:47:45,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 04:47:44" (2/3) ... [2025-01-24 04:47:45,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f8802b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 04:47:45, skipping insertion in model container [2025-01-24 04:47:45,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 04:47:45" (3/3) ... [2025-01-24 04:47:45,178 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.c [2025-01-24 04:47:45,189 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 04:47:45,190 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-5.wvr.c that has 3 procedures, 18 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-24 04:47:45,190 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 04:47:45,244 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-24 04:47:45,274 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 04:47:45,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 04:47:45,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:45,277 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) [2025-01-24 04:47:45,278 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 [2025-01-24 04:47:45,339 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 04:47:45,350 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 04:47:45,355 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;@4c0d2250, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 04:47:45,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-24 04:47:45,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:47:45,463 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:47:45,465 INFO L139 ounterexampleChecker]: Examining path program with hash 935377961, occurence #1 [2025-01-24 04:47:45,465 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 04:47:45,465 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:47:45,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:47:45,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1979440917, now seen corresponding path program 1 times [2025-01-24 04:47:45,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 04:47:45,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [258517972] [2025-01-24 04:47:45,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:47:45,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:45,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:45,479 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) [2025-01-24 04:47:45,480 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 [2025-01-24 04:47:45,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-24 04:47:45,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-24 04:47:45,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:47:45,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:47:45,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-24 04:47:45,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:47:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 04:47:45,632 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 04:47:45,632 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 04:47:45,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258517972] [2025-01-24 04:47:45,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258517972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 04:47:45,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 04:47:45,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-24 04:47:45,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116001468] [2025-01-24 04:47:45,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 04:47:45,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 04:47:45,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 04:47:45,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 04:47:45,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-24 04:47:45,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:45,652 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:47:45,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:47:45,653 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:45,761 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 [2025-01-24 04:47:45,957 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 [2025-01-24 04:47:45,962 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:47:45,962 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:47:45,962 INFO L139 ounterexampleChecker]: Examining path program with hash 935377961, occurence #2 [2025-01-24 04:47:45,962 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:47:45,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:47:45,962 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:45,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 04:47:45,974 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:45,974 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 04:47:45,974 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:45,974 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 04:47:45,974 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:45,975 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 04:47:45,975 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:45,975 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:47:45,975 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:47:45,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:47:45,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1233868667, now seen corresponding path program 1 times [2025-01-24 04:47:45,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 04:47:45,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179505564] [2025-01-24 04:47:45,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:47:45,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:45,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:45,978 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) [2025-01-24 04:47:45,980 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 [2025-01-24 04:47:46,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-24 04:47:46,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-24 04:47:46,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:47:46,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:47:46,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 04:47:46,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:47:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 04:47:46,125 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 04:47:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 04:47:46,246 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 04:47:46,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179505564] [2025-01-24 04:47:46,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179505564] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 04:47:46,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 04:47:46,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-01-24 04:47:46,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464079373] [2025-01-24 04:47:46,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 04:47:46,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-24 04:47:46,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 04:47:46,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-24 04:47:46,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-24 04:47:46,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:46,248 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:47:46,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:47:46,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:46,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:46,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 04:47:46,661 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 [2025-01-24 04:47:46,662 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:47:46,662 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:47:46,662 INFO L139 ounterexampleChecker]: Examining path program with hash 935377961, occurence #3 [2025-01-24 04:47:46,662 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:47:46,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:47:46,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:46,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-24 04:47:46,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:46,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 04:47:46,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:46,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 04:47:46,662 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:46,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 04:47:46,662 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:46,663 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:47:46,663 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:47:46,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:47:46,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1706440555, now seen corresponding path program 2 times [2025-01-24 04:47:46,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 04:47:46,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2059294956] [2025-01-24 04:47:46,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 04:47:46,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:46,665 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) [2025-01-24 04:47:46,668 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 [2025-01-24 04:47:46,717 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-01-24 04:47:46,732 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 14 of 18 statements. [2025-01-24 04:47:46,732 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 04:47:46,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:47:46,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-24 04:47:46,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:47:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 04:47:46,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 04:47:46,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 04:47:46,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059294956] [2025-01-24 04:47:46,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059294956] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 04:47:46,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 04:47:46,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 04:47:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026919575] [2025-01-24 04:47:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 04:47:46,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 04:47:46,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 04:47:46,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 04:47:46,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 04:47:46,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:46,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:47:46,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:47:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:46,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:46,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:47:46,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-24 04:47:47,008 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 [2025-01-24 04:47:47,009 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:47:47,009 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:47:47,009 INFO L139 ounterexampleChecker]: Examining path program with hash 935377961, occurence #4 [2025-01-24 04:47:47,009 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:47:47,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:47:47,009 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:47,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 04:47:47,009 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:47,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 04:47:47,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:47,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 04:47:47,013 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:47,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 04:47:47,013 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:47,013 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:47:47,013 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:47:47,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:47:47,013 INFO L85 PathProgramCache]: Analyzing trace with hash 773762184, now seen corresponding path program 1 times [2025-01-24 04:47:47,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 04:47:47,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693508489] [2025-01-24 04:47:47,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 04:47:47,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:47,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:47,019 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) [2025-01-24 04:47:47,021 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 [2025-01-24 04:47:47,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-24 04:47:47,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-24 04:47:47,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 04:47:47,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:47:47,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 04:47:47,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:47:47,195 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 04:47:47,195 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 04:47:47,432 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 04:47:47,432 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 04:47:47,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693508489] [2025-01-24 04:47:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693508489] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 04:47:47,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 04:47:47,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-01-24 04:47:47,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207894484] [2025-01-24 04:47:47,433 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 04:47:47,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-24 04:47:47,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 04:47:47,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-24 04:47:47,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-24 04:47:47,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:47,434 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:47:47,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:47:47,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:47,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:47,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:47:47,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:47,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:47:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 04:47:47,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-24 04:47:48,157 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 [2025-01-24 04:47:48,157 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:47:48,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:47:48,157 INFO L139 ounterexampleChecker]: Examining path program with hash 935377961, occurence #5 [2025-01-24 04:47:48,157 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:47:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:47:48,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 04:47:48,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 04:47:48,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 04:47:48,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:48,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 04:47:48,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:48,157 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:47:48,157 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:47:48,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:47:48,158 INFO L85 PathProgramCache]: Analyzing trace with hash -404348792, now seen corresponding path program 2 times [2025-01-24 04:47:48,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 04:47:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969353064] [2025-01-24 04:47:48,158 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 04:47:48,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:48,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:48,160 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) [2025-01-24 04:47:48,161 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 [2025-01-24 04:47:48,214 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-01-24 04:47:48,295 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-01-24 04:47:48,295 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 04:47:48,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:47:48,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-24 04:47:48,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:47:48,492 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 04:47:48,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 04:47:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 04:47:49,041 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-01-24 04:47:49,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969353064] [2025-01-24 04:47:49,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969353064] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 04:47:49,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 04:47:49,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2025-01-24 04:47:49,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445661890] [2025-01-24 04:47:49,041 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-24 04:47:49,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-24 04:47:49,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-01-24 04:47:49,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-24 04:47:49,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2025-01-24 04:47:49,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:49,043 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 04:47:49,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 04:47:49,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:49,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:49,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:47:49,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 04:47:49,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 04:47:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 04:47:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-24 04:47:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 04:47:50,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 04:47:50,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 04:47:50,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 04:47:50,940 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 [2025-01-24 04:47:50,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-24 04:47:50,941 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 04:47:50,941 INFO L139 ounterexampleChecker]: Examining path program with hash 935377961, occurence #6 [2025-01-24 04:47:50,941 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 04:47:50,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 04:47:50,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:50,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 04:47:50,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:50,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 04:47:50,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:50,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 04:47:50,941 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 04:47:50,941 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 04:47:50,941 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 04:47:50,941 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 04:47:50,941 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 04:47:50,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 04:47:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash -377485176, now seen corresponding path program 3 times [2025-01-24 04:47:50,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-01-24 04:47:50,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630751486] [2025-01-24 04:47:50,942 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 04:47:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 04:47:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 04:47:50,944 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) [2025-01-24 04:47:50,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-24 04:47:51,003 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 37 statements into 12 equivalence classes. [2025-01-24 04:47:51,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 17 of 37 statements. [2025-01-24 04:47:51,035 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 04:47:51,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 04:47:51,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-24 04:47:51,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 04:47:51,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-24 04:47:52,150 INFO L349 Elim1Store]: treesize reduction 331, result has 23.6 percent of original size [2025-01-24 04:47:52,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 15 new quantified variables, introduced 45 case distinctions, treesize of input 393 treesize of output 319 [2025-01-24 04:47:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 22 proven. 22 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-24 04:47:52,817 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 04:49:06,491 WARN L286 SmtUtils]: Spent 44.41s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-24 04:49:50,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3105 treesize of output 2711 [2025-01-24 04:54:02,567 WARN L286 SmtUtils]: Spent 4.19m on a formula simplification that was a NOOP. DAG size: 3889 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-24 04:54:02,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 04:54:02,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 0 disjoint index pairs (out of 946 index pairs), introduced 81 new quantified variables, introduced 946 case distinctions, treesize of input 144402 treesize of output 107204 [2025-01-24 04:54:56,597 WARN L286 SmtUtils]: Spent 54.02s on a formula simplification. DAG size of input: 5592 DAG size of output: 5613 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-24 04:55:07,477 WARN L286 SmtUtils]: Spent 10.65s on a formula simplification that was a NOOP. DAG size: 5457 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-24 04:55:21,323 WARN L286 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 1836 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-24 04:55:39,598 WARN L286 SmtUtils]: Spent 9.13s on a formula simplification that was a NOOP. DAG size: 1832 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15