./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis 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/popl20-nonblocking-cntr.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 fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-23 20:41:16,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-23 20:41:16,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-23 20:41:16,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-23 20:41:16,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-23 20:41:17,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-23 20:41:17,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-23 20:41:17,004 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-23 20:41:17,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-23 20:41:17,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-23 20:41:17,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-23 20:41:17,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-23 20:41:17,005 INFO L153 SettingsManager]: * Use SBE=true [2025-01-23 20:41:17,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-23 20:41:17,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-23 20:41:17,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-23 20:41:17,007 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 20:41:17,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-23 20:41:17,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-23 20:41:17,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-23 20:41:17,009 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-23 20:41:17,009 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-23 20:41:17,009 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 -> fe7fc3189e39cd6587b4d7d83621bd29f6e1c085e1b3af197b9abc1746b629ea 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 -> SUFFICIENT [2025-01-23 20:41:17,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-23 20:41:17,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-23 20:41:17,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-23 20:41:17,249 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-23 20:41:17,249 INFO L274 PluginConnector]: CDTParser initialized [2025-01-23 20:41:17,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2025-01-23 20:41:18,368 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/26ec25422/dbfdf48b740747469cd6a3a27aaaffa0/FLAGb72f6f41d [2025-01-23 20:41:18,565 INFO L384 CDTParser]: Found 1 translation units. [2025-01-23 20:41:18,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2025-01-23 20:41:18,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/26ec25422/dbfdf48b740747469cd6a3a27aaaffa0/FLAGb72f6f41d [2025-01-23 20:41:18,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/26ec25422/dbfdf48b740747469cd6a3a27aaaffa0 [2025-01-23 20:41:18,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-23 20:41:18,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-23 20:41:18,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-23 20:41:18,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-23 20:41:18,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-23 20:41:18,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 08:41:18" (1/1) ... [2025-01-23 20:41:18,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fe5311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:18, skipping insertion in model container [2025-01-23 20:41:18,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 08:41:18" (1/1) ... [2025-01-23 20:41:18,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-23 20:41:19,045 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/popl20-nonblocking-cntr.wvr.c[2063,2076] [2025-01-23 20:41:19,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 20:41:19,054 INFO L200 MainTranslator]: Completed pre-run [2025-01-23 20:41:19,098 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/popl20-nonblocking-cntr.wvr.c[2063,2076] [2025-01-23 20:41:19,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-23 20:41:19,111 INFO L204 MainTranslator]: Completed translation [2025-01-23 20:41:19,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19 WrapperNode [2025-01-23 20:41:19,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-23 20:41:19,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-23 20:41:19,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-23 20:41:19,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-23 20:41:19,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,133 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2025-01-23 20:41:19,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-23 20:41:19,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-23 20:41:19,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-23 20:41:19,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-23 20:41:19,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,144 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-23 20:41:19,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-23 20:41:19,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-23 20:41:19,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-23 20:41:19,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (1/1) ... [2025-01-23 20:41:19,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-23 20:41:19,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:19,183 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) [2025-01-23 20:41:19,189 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 [2025-01-23 20:41:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-23 20:41:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-23 20:41:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-23 20:41:19,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-23 20:41:19,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-23 20:41:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-23 20:41:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-23 20:41:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-23 20:41:19,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-23 20:41:19,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-23 20:41:19,204 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-23 20:41:19,261 INFO L234 CfgBuilder]: Building ICFG [2025-01-23 20:41:19,263 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-23 20:41:19,387 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-23 20:41:19,388 INFO L283 CfgBuilder]: Performing block encoding [2025-01-23 20:41:19,492 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-23 20:41:19,492 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-23 20:41:19,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 08:41:19 BoogieIcfgContainer [2025-01-23 20:41:19,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-23 20:41:19,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-23 20:41:19,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-23 20:41:19,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-23 20:41:19,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 08:41:18" (1/3) ... [2025-01-23 20:41:19,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a5b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 08:41:19, skipping insertion in model container [2025-01-23 20:41:19,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 08:41:19" (2/3) ... [2025-01-23 20:41:19,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a5b2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 08:41:19, skipping insertion in model container [2025-01-23 20:41:19,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 08:41:19" (3/3) ... [2025-01-23 20:41:19,501 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2025-01-23 20:41:19,511 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-23 20:41:19,513 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-nonblocking-cntr.wvr.c that has 3 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-23 20:41:19,514 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-23 20:41:19,547 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-23 20:41:19,577 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 20:41:19,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-23 20:41:19,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:19,580 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) [2025-01-23 20:41:19,581 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 [2025-01-23 20:41:19,630 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-23 20:41:19,651 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-23 20:41:19,657 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;@68314086, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-23 20:41:19,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-23 20:41:19,859 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:19,859 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:19,859 INFO L139 ounterexampleChecker]: Examining path program with hash 633218999, occurence #1 [2025-01-23 20:41:19,859 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:19,859 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:19,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:19,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1169777107, now seen corresponding path program 1 times [2025-01-23 20:41:19,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:19,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689715875] [2025-01-23 20:41:19,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:19,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:19,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-23 20:41:19,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-23 20:41:19,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:19,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:20,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:20,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689715875] [2025-01-23 20:41:20,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689715875] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 20:41:20,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 20:41:20,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-23 20:41:20,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242155462] [2025-01-23 20:41:20,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 20:41:20,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-23 20:41:20,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:20,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-23 20:41:20,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-23 20:41:20,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:20,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:20,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2025-01-23 20:41:20,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:20,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-23 20:41:20,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:20,131 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:20,131 INFO L139 ounterexampleChecker]: Examining path program with hash -479152407, occurence #1 [2025-01-23 20:41:20,132 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:20,132 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:20,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash -3200603, now seen corresponding path program 1 times [2025-01-23 20:41:20,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:20,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875025980] [2025-01-23 20:41:20,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:20,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-23 20:41:20,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-23 20:41:20,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:20,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:20,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:20,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875025980] [2025-01-23 20:41:20,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875025980] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:20,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539313680] [2025-01-23 20:41:20,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:20,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:20,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:20,391 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) [2025-01-23 20:41:20,393 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 [2025-01-23 20:41:20,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-23 20:41:20,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-23 20:41:20,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:20,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:20,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-23 20:41:20,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:20,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-23 20:41:20,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539313680] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:20,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:20,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 19 [2025-01-23 20:41:20,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202039075] [2025-01-23 20:41:20,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:20,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-23 20:41:20,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:20,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-23 20:41:20,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2025-01-23 20:41:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:20,732 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:20,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 19 states have internal predecessors, (49), 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) [2025-01-23 20:41:20,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:20,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:21,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:21,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:21,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-23 20:41:21,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:21,314 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:21,314 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:21,315 INFO L139 ounterexampleChecker]: Examining path program with hash 1370741334, occurence #1 [2025-01-23 20:41:21,315 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:21,315 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:21,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:21,316 INFO L85 PathProgramCache]: Analyzing trace with hash 2110214689, now seen corresponding path program 2 times [2025-01-23 20:41:21,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:21,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876651938] [2025-01-23 20:41:21,316 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:41:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:21,323 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 33 statements into 2 equivalence classes. [2025-01-23 20:41:21,341 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 33 of 33 statements. [2025-01-23 20:41:21,343 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:41:21,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:21,600 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-23 20:41:21,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:21,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876651938] [2025-01-23 20:41:21,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876651938] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-23 20:41:21,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-23 20:41:21,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-23 20:41:21,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310684769] [2025-01-23 20:41:21,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-23 20:41:21,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-23 20:41:21,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:21,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-23 20:41:21,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-23 20:41:21,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:21,601 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:21,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2025-01-23 20:41:21,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:21,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:21,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:21,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:21,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-23 20:41:21,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:21,696 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:21,696 INFO L139 ounterexampleChecker]: Examining path program with hash 818929969, occurence #1 [2025-01-23 20:41:21,696 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:21,696 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:21,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:21,696 INFO L85 PathProgramCache]: Analyzing trace with hash -386875487, now seen corresponding path program 3 times [2025-01-23 20:41:21,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:21,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393589292] [2025-01-23 20:41:21,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:41:21,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:21,702 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 5 equivalence classes. [2025-01-23 20:41:21,718 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 39 of 39 statements. [2025-01-23 20:41:21,718 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-01-23 20:41:21,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:22,043 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-23 20:41:22,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:22,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393589292] [2025-01-23 20:41:22,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393589292] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:22,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381498164] [2025-01-23 20:41:22,043 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:41:22,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:22,047 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) [2025-01-23 20:41:22,048 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 [2025-01-23 20:41:22,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 5 equivalence classes. [2025-01-23 20:41:22,093 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 39 of 39 statements. [2025-01-23 20:41:22,093 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-01-23 20:41:22,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:22,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 20:41:22,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:22,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-23 20:41:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381498164] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:22,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:22,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 12] total 41 [2025-01-23 20:41:22,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479974129] [2025-01-23 20:41:22,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:22,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-23 20:41:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:22,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-23 20:41:22,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1318, Unknown=0, NotChecked=0, Total=1640 [2025-01-23 20:41:22,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:22,779 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:22,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.3902439024390243) internal successors, (98), 41 states have internal predecessors, (98), 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) [2025-01-23 20:41:22,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:22,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:22,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:22,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:23,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 20:41:23,692 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 [2025-01-23 20:41:23,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:23,887 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:23,887 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:23,887 INFO L139 ounterexampleChecker]: Examining path program with hash -1275787046, occurence #1 [2025-01-23 20:41:23,887 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:23,887 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:23,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:23,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1328937895, now seen corresponding path program 4 times [2025-01-23 20:41:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:23,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423942799] [2025-01-23 20:41:23,888 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:41:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:23,894 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 45 statements into 2 equivalence classes. [2025-01-23 20:41:23,908 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 44 of 45 statements. [2025-01-23 20:41:23,910 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 20:41:23,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-23 20:41:24,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:24,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423942799] [2025-01-23 20:41:24,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423942799] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:24,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628077796] [2025-01-23 20:41:24,189 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:41:24,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:24,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:24,191 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) [2025-01-23 20:41:24,192 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 [2025-01-23 20:41:24,219 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 45 statements into 2 equivalence classes. [2025-01-23 20:41:24,231 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 44 of 45 statements. [2025-01-23 20:41:24,231 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 20:41:24,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:24,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-23 20:41:24,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:24,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:24,785 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-23 20:41:24,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628077796] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:24,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:24,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 13] total 40 [2025-01-23 20:41:24,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922533475] [2025-01-23 20:41:24,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:24,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-01-23 20:41:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:24,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-01-23 20:41:24,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2025-01-23 20:41:24,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:24,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:24,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.6) internal successors, (104), 40 states have internal predecessors, (104), 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) [2025-01-23 20:41:24,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:24,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:24,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:24,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 20:41:24,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:25,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:25,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:25,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-23 20:41:25,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-23 20:41:25,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-23 20:41:25,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:25,827 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:25,827 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:25,827 INFO L139 ounterexampleChecker]: Examining path program with hash -2105571518, occurence #1 [2025-01-23 20:41:25,827 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:25,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:25,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:25,827 INFO L85 PathProgramCache]: Analyzing trace with hash -550592537, now seen corresponding path program 5 times [2025-01-23 20:41:25,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:25,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399421956] [2025-01-23 20:41:25,828 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:41:25,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:25,832 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 43 statements into 6 equivalence classes. [2025-01-23 20:41:25,838 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 20:41:25,838 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-23 20:41:25,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-23 20:41:25,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399421956] [2025-01-23 20:41:25,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399421956] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:25,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825871922] [2025-01-23 20:41:25,975 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:41:25,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:25,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:25,977 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) [2025-01-23 20:41:25,980 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 [2025-01-23 20:41:26,005 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 43 statements into 6 equivalence classes. [2025-01-23 20:41:26,018 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 43 of 43 statements. [2025-01-23 20:41:26,018 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-23 20:41:26,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:26,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-23 20:41:26,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:26,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:27,323 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:27,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825871922] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:27,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:27,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 21, 21] total 44 [2025-01-23 20:41:27,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425843663] [2025-01-23 20:41:27,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:27,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-01-23 20:41:27,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:27,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-01-23 20:41:27,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=1509, Unknown=0, NotChecked=0, Total=1980 [2025-01-23 20:41:27,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:27,327 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:27,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 2.2) internal successors, (99), 44 states have internal predecessors, (99), 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) [2025-01-23 20:41:27,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:27,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:27,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:27,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-23 20:41:27,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-23 20:41:27,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:28,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:28,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:28,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-23 20:41:28,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:28,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:28,600 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:28,600 INFO L139 ounterexampleChecker]: Examining path program with hash 1416185464, occurence #1 [2025-01-23 20:41:28,600 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:28,600 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:28,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash 427798181, now seen corresponding path program 6 times [2025-01-23 20:41:28,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:28,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416435434] [2025-01-23 20:41:28,600 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:41:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:28,605 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 71 statements into 9 equivalence classes. [2025-01-23 20:41:28,622 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 71 of 71 statements. [2025-01-23 20:41:28,622 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-23 20:41:28,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 5 proven. 141 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-01-23 20:41:29,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:29,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416435434] [2025-01-23 20:41:29,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416435434] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:29,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440703821] [2025-01-23 20:41:29,118 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:41:29,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:29,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:29,119 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) [2025-01-23 20:41:29,121 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 [2025-01-23 20:41:29,147 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 71 statements into 9 equivalence classes. [2025-01-23 20:41:29,166 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 71 of 71 statements. [2025-01-23 20:41:29,166 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-23 20:41:29,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:29,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-23 20:41:29,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 5 proven. 214 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 20:41:29,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 124 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:31,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440703821] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:31,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:31,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 37, 36] total 86 [2025-01-23 20:41:31,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802304109] [2025-01-23 20:41:31,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:31,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-01-23 20:41:31,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:31,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-01-23 20:41:31,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=5360, Unknown=0, NotChecked=0, Total=7310 [2025-01-23 20:41:31,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:31,871 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:31,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.9534883720930232) internal successors, (168), 86 states have internal predecessors, (168), 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) [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:31,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-23 20:41:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-23 20:41:33,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-23 20:41:33,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:33,403 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:33,403 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:33,403 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #1 [2025-01-23 20:41:33,403 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:41:33,403 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:33,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:33,404 INFO L85 PathProgramCache]: Analyzing trace with hash -462256307, now seen corresponding path program 7 times [2025-01-23 20:41:33,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:33,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147106450] [2025-01-23 20:41:33,404 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:41:33,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:33,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-23 20:41:33,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-23 20:41:33,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:33,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:34,138 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2025-01-23 20:41:34,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:34,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147106450] [2025-01-23 20:41:34,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147106450] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:34,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171593315] [2025-01-23 20:41:34,138 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:41:34,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:34,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:34,140 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) [2025-01-23 20:41:34,142 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 [2025-01-23 20:41:34,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-01-23 20:41:34,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-01-23 20:41:34,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:34,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:34,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-01-23 20:41:34,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 7 proven. 599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:41:38,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 194 proven. 245 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2025-01-23 20:41:40,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171593315] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:40,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:40,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 58, 23] total 86 [2025-01-23 20:41:40,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089743313] [2025-01-23 20:41:40,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:40,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-01-23 20:41:40,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:40,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-01-23 20:41:40,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=850, Invalid=6460, Unknown=0, NotChecked=0, Total=7310 [2025-01-23 20:41:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:40,156 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:40,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 2.197674418604651) internal successors, (189), 86 states have internal predecessors, (189), 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) [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-23 20:41:40,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:41:51,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:41:51,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-23 20:41:51,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:51,328 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:51,328 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:51,328 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #2 [2025-01-23 20:41:51,328 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:41:51,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 20:41:51,334 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:41:51,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 20:41:51,334 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:41:51,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-23 20:41:51,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:51,384 INFO L85 PathProgramCache]: Analyzing trace with hash -468969783, now seen corresponding path program 1 times [2025-01-23 20:41:51,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:41:51,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673860646] [2025-01-23 20:41:51,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:51,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:51,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-23 20:41:51,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-23 20:41:51,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:51,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:41:51,399 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:41:51,399 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:41:51,399 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-01-23 20:41:51,400 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 113 is hopeless, skipping. [2025-01-23 20:41:51,400 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2025-01-23 20:41:51,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-23 20:41:51,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:51,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 20:41:51,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:51,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-01-23 20:41:51,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:51,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 20:41:51,400 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:51,400 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-23 20:41:51,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1036473160, now seen corresponding path program 1 times [2025-01-23 20:41:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:41:51,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564243975] [2025-01-23 20:41:51,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:51,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-01-23 20:41:51,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-01-23 20:41:51,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:51,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 27 proven. 325 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2025-01-23 20:41:52,302 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:41:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564243975] [2025-01-23 20:41:52,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564243975] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [438789183] [2025-01-23 20:41:52,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:52,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:52,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-01-23 20:41:52,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-01-23 20:41:52,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:52,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:52,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 73 conjuncts are in the unsatisfiable core [2025-01-23 20:41:52,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 22 proven. 303 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2025-01-23 20:41:52,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [438789183] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:52,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:41:52,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2025-01-23 20:41:52,511 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:41:52,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2025-01-23 20:41:52,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 151 is hopeless, skipping. [2025-01-23 20:41:52,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 158 is hopeless, skipping. [2025-01-23 20:41:52,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 165 is hopeless, skipping. [2025-01-23 20:41:52,512 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 172 is hopeless, skipping. [2025-01-23 20:41:52,512 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-01-23 20:41:52,512 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:41:52,512 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:41:52,512 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:52,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:52,512 INFO L85 PathProgramCache]: Analyzing trace with hash 541461979, now seen corresponding path program 8 times [2025-01-23 20:41:52,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:52,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603218866] [2025-01-23 20:41:52,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:41:52,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:52,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 183 statements into 2 equivalence classes. [2025-01-23 20:41:52,557 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 183 of 183 statements. [2025-01-23 20:41:52,557 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:41:52,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 46 proven. 773 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2025-01-23 20:41:55,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:41:55,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603218866] [2025-01-23 20:41:55,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603218866] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:55,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69286195] [2025-01-23 20:41:55,043 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-23 20:41:55,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:55,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:41:55,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:41:55,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-23 20:41:55,088 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 183 statements into 2 equivalence classes. [2025-01-23 20:41:55,125 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 183 of 183 statements. [2025-01-23 20:41:55,126 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-23 20:41:55,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:55,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-01-23 20:41:55,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:55,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 135 proven. 1175 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2025-01-23 20:41:55,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:41:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1027 proven. 240 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2025-01-23 20:41:56,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69286195] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:41:56,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:41:56,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2025-01-23 20:41:56,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793439062] [2025-01-23 20:41:56,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:41:56,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-23 20:41:56,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:41:56,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-23 20:41:56,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2025-01-23 20:41:56,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:56,564 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:41:56,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 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) [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:41:56,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:41:56,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:41:56,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:41:56,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-23 20:41:57,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:41:57,054 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:41:57,054 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:41:57,054 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #3 [2025-01-23 20:41:57,054 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:41:57,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 20:41:57,054 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:41:57,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 20:41:57,054 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:41:57,054 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-23 20:41:57,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:57,104 INFO L85 PathProgramCache]: Analyzing trace with hash -468969757, now seen corresponding path program 1 times [2025-01-23 20:41:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:41:57,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862809996] [2025-01-23 20:41:57,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:57,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:57,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-23 20:41:57,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-23 20:41:57,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:57,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:41:57,115 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:41:57,115 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:41:57,115 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2025-01-23 20:41:57,115 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 113 is hopeless, skipping. [2025-01-23 20:41:57,115 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2025-01-23 20:41:57,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-01-23 20:41:57,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:57,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-23 20:41:57,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:57,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-01-23 20:41:57,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:57,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-01-23 20:41:57,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:57,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-23 20:41:57,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:57,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-23 20:41:57,116 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:41:57,116 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-01-23 20:41:57,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:57,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1684881362, now seen corresponding path program 1 times [2025-01-23 20:41:57,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:41:57,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632569312] [2025-01-23 20:41:57,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:57,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:57,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-23 20:41:57,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-23 20:41:57,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:57,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:58,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 56 proven. 325 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2025-01-23 20:41:58,153 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:41:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632569312] [2025-01-23 20:41:58,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632569312] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:58,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [42528035] [2025-01-23 20:41:58,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:41:58,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:58,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-23 20:41:58,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-23 20:41:58,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:41:58,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:41:58,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 76 conjuncts are in the unsatisfiable core [2025-01-23 20:41:58,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:41:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 51 proven. 192 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2025-01-23 20:41:58,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [42528035] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:41:58,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:41:58,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2025-01-23 20:41:58,343 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:41:58,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2025-01-23 20:41:58,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 157 is hopeless, skipping. [2025-01-23 20:41:58,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 164 is hopeless, skipping. [2025-01-23 20:41:58,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 171 is hopeless, skipping. [2025-01-23 20:41:58,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 178 is hopeless, skipping. [2025-01-23 20:41:58,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-23 20:41:58,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:41:58,343 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:41:58,343 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:41:58,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:41:58,344 INFO L85 PathProgramCache]: Analyzing trace with hash 686054107, now seen corresponding path program 9 times [2025-01-23 20:41:58,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:41:58,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120066209] [2025-01-23 20:41:58,344 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:41:58,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:41:58,351 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 189 statements into 29 equivalence classes. [2025-01-23 20:41:58,474 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) and asserted 189 of 189 statements. [2025-01-23 20:41:58,474 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2025-01-23 20:41:58,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:42:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 17 proven. 1952 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2025-01-23 20:42:17,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:42:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120066209] [2025-01-23 20:42:17,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120066209] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:42:17,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735968159] [2025-01-23 20:42:17,576 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-23 20:42:17,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:42:17,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:42:17,578 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:42:17,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-23 20:42:17,614 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 189 statements into 29 equivalence classes. [2025-01-23 20:42:17,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) and asserted 189 of 189 statements. [2025-01-23 20:42:17,678 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2025-01-23 20:42:17,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:42:17,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 131 conjuncts are in the unsatisfiable core [2025-01-23 20:42:17,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:42:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 51 proven. 2174 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 20:42:20,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:42:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1309 proven. 920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:42:39,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735968159] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:42:39,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:42:39,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 104, 93] total 246 [2025-01-23 20:42:39,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507680367] [2025-01-23 20:42:39,880 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:42:39,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 247 states [2025-01-23 20:42:39,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:42:39,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2025-01-23 20:42:39,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12298, Invalid=48464, Unknown=0, NotChecked=0, Total=60762 [2025-01-23 20:42:39,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:42:39,890 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:42:39,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 247 states, 247 states have (on average 1.9311740890688258) internal successors, (477), 246 states have internal predecessors, (477), 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) [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:42:39,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:42:49,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:42:49,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-23 20:42:49,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:42:49,657 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:42:49,657 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:42:49,657 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #4 [2025-01-23 20:42:49,657 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:42:49,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 20:42:49,657 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:42:49,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 20:42:49,657 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:42:49,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-01-23 20:42:49,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:42:49,705 INFO L85 PathProgramCache]: Analyzing trace with hash 233270107, now seen corresponding path program 1 times [2025-01-23 20:42:49,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:42:49,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843287289] [2025-01-23 20:42:49,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:42:49,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:42:49,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-23 20:42:49,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-23 20:42:49,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:42:49,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:42:49,718 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:42:49,718 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:42:49,718 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2025-01-23 20:42:49,718 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 138 is hopeless, skipping. [2025-01-23 20:42:49,718 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 145 is hopeless, skipping. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-23 20:42:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-01-23 20:42:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-01-23 20:42:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-01-23 20:42:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-01-23 20:42:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-01-23 20:42:49,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:42:49,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-01-23 20:42:49,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:42:49,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1189551798, now seen corresponding path program 1 times [2025-01-23 20:42:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:42:49,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117059824] [2025-01-23 20:42:49,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:42:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:42:49,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-23 20:42:49,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-23 20:42:49,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:42:49,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:42:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 52 proven. 493 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2025-01-23 20:42:50,804 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:42:50,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117059824] [2025-01-23 20:42:50,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117059824] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:42:50,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [602158197] [2025-01-23 20:42:50,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:42:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:42:50,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-01-23 20:42:50,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-01-23 20:42:50,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:42:50,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:42:50,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-01-23 20:42:50,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:42:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 51 proven. 78 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2025-01-23 20:42:50,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [602158197] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:42:50,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:42:50,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 12 [2025-01-23 20:42:50,984 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 175 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 189 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 196 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 203 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 210 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 217 is hopeless, skipping. [2025-01-23 20:42:50,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-01-23 20:42:50,984 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:42:50,984 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:42:50,984 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:42:50,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:42:50,984 INFO L85 PathProgramCache]: Analyzing trace with hash 273351625, now seen corresponding path program 10 times [2025-01-23 20:42:50,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:42:50,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410196183] [2025-01-23 20:42:50,984 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:42:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:42:50,991 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 228 statements into 2 equivalence classes. [2025-01-23 20:42:51,145 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 227 of 228 statements. [2025-01-23 20:42:51,145 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 20:42:51,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:43:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 734 proven. 2730 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-23 20:43:23,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:43:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410196183] [2025-01-23 20:43:23,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410196183] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:43:23,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741365248] [2025-01-23 20:43:23,064 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-23 20:43:23,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:43:23,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:43:23,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:43:23,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-23 20:43:23,102 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 228 statements into 2 equivalence classes. [2025-01-23 20:43:23,160 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 227 of 228 statements. [2025-01-23 20:43:23,160 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-23 20:43:23,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:43:23,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 173 conjuncts are in the unsatisfiable core [2025-01-23 20:43:23,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:44:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 9 proven. 3467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:44:22,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:44:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 996 proven. 1116 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2025-01-23 20:44:25,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741365248] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:44:25,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:44:25,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 135, 34] total 263 [2025-01-23 20:44:25,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919733356] [2025-01-23 20:44:25,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:44:25,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2025-01-23 20:44:25,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:44:25,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2025-01-23 20:44:25,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8352, Invalid=60554, Unknown=0, NotChecked=0, Total=68906 [2025-01-23 20:44:25,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:44:25,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:44:25,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 1.8288973384030418) internal successors, (481), 263 states have internal predecessors, (481), 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) [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:44:25,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:47:32,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2025-01-23 20:47:32,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-23 20:47:32,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-23 20:47:32,458 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:47:32,459 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:32,459 INFO L139 ounterexampleChecker]: Examining path program with hash 207246277, occurence #1 [2025-01-23 20:47:32,459 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-23 20:47:32,459 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:32,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2104687645, now seen corresponding path program 11 times [2025-01-23 20:47:32,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:32,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921189475] [2025-01-23 20:47:32,459 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:47:32,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:32,468 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 325 statements into 54 equivalence classes. [2025-01-23 20:47:32,614 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) and asserted 325 of 325 statements. [2025-01-23 20:47:32,614 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2025-01-23 20:47:32,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 0 proven. 1989 refuted. 0 times theorem prover too weak. 5858 trivial. 0 not checked. [2025-01-23 20:47:37,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:37,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921189475] [2025-01-23 20:47:37,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921189475] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:37,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653821654] [2025-01-23 20:47:37,460 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-23 20:47:37,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:37,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:37,461 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:47:37,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-23 20:47:37,507 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 325 statements into 54 equivalence classes. [2025-01-23 20:47:37,711 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) and asserted 325 of 325 statements. [2025-01-23 20:47:37,711 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2025-01-23 20:47:37,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:37,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 190 conjuncts are in the unsatisfiable core [2025-01-23 20:47:37,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 0 proven. 1942 refuted. 0 times theorem prover too weak. 5905 trivial. 0 not checked. [2025-01-23 20:47:37,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:47:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 2509 proven. 652 refuted. 0 times theorem prover too weak. 4686 trivial. 0 not checked. [2025-01-23 20:47:38,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653821654] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:47:38,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:47:38,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 24 [2025-01-23 20:47:38,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283751613] [2025-01-23 20:47:38,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:47:38,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-23 20:47:38,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:47:38,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-23 20:47:38,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2025-01-23 20:47:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:38,640 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:47:38,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.44) internal successors, (111), 24 states have internal predecessors, (111), 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) [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:47:38,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2025-01-23 20:47:38,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:47:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:47:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2025-01-23 20:47:39,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 20:47:39,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-23 20:47:39,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-01-23 20:47:39,763 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:47:39,763 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:47:39,764 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #5 [2025-01-23 20:47:39,764 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:47:39,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 20:47:39,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:39,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 20:47:39,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:39,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2025-01-23 20:47:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:39,810 INFO L85 PathProgramCache]: Analyzing trace with hash -689873335, now seen corresponding path program 1 times [2025-01-23 20:47:39,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:47:39,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826260047] [2025-01-23 20:47:39,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:47:39,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:39,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 220 statements into 1 equivalence classes. [2025-01-23 20:47:39,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 220 of 220 statements. [2025-01-23 20:47:39,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:47:39,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:47:39,832 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:47:39,832 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:47:39,833 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 226 is hopeless, skipping. [2025-01-23 20:47:39,833 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 233 is hopeless, skipping. [2025-01-23 20:47:39,833 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 240 is hopeless, skipping. [2025-01-23 20:47:39,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-01-23 20:47:39,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-23 20:47:39,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-01-23 20:47:39,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-23 20:47:39,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2025-01-23 20:47:39,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-23 20:47:39,834 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-01-23 20:47:39,834 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-01-23 20:47:39,834 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:47:39,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-01-23 20:47:39,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:39,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1937958344, now seen corresponding path program 1 times [2025-01-23 20:47:39,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:47:39,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324313397] [2025-01-23 20:47:39,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:47:39,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:39,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 270 statements into 1 equivalence classes. [2025-01-23 20:47:39,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 270 of 270 statements. [2025-01-23 20:47:39,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:47:39,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 92 proven. 714 refuted. 0 times theorem prover too weak. 4657 trivial. 0 not checked. [2025-01-23 20:47:43,023 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:47:43,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324313397] [2025-01-23 20:47:43,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324313397] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:43,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1211405512] [2025-01-23 20:47:43,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:47:43,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:43,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 270 statements into 1 equivalence classes. [2025-01-23 20:47:43,075 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 270 of 270 statements. [2025-01-23 20:47:43,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:47:43,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:43,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 150 conjuncts are in the unsatisfiable core [2025-01-23 20:47:43,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:47:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 92 proven. 900 refuted. 0 times theorem prover too weak. 4471 trivial. 0 not checked. [2025-01-23 20:47:43,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1211405512] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:43,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:47:43,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2025-01-23 20:47:43,389 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 276 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 283 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 290 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 297 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 304 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 311 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 318 is hopeless, skipping. [2025-01-23 20:47:43,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2025-01-23 20:47:43,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:47:43,389 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:47:43,389 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:47:43,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:47:43,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1183316389, now seen corresponding path program 12 times [2025-01-23 20:47:43,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:47:43,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985766610] [2025-01-23 20:47:43,390 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:47:43,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:47:43,406 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 329 statements into 54 equivalence classes. [2025-01-23 20:47:43,730 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) and asserted 329 of 329 statements. [2025-01-23 20:47:43,730 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2025-01-23 20:47:43,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 3279 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2025-01-23 20:47:57,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:47:57,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985766610] [2025-01-23 20:47:57,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985766610] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:47:57,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774378317] [2025-01-23 20:47:57,111 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-23 20:47:57,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:47:57,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:47:57,113 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:47:57,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-23 20:47:57,155 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 329 statements into 54 equivalence classes. [2025-01-23 20:47:57,319 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) and asserted 329 of 329 statements. [2025-01-23 20:47:57,320 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2025-01-23 20:47:57,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:47:57,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 236 conjuncts are in the unsatisfiable core [2025-01-23 20:47:57,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:48:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 92 proven. 7791 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 20:48:03,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:49:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 5922 proven. 1965 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:49:25,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774378317] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:49:25,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:49:25,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 185, 169] total 390 [2025-01-23 20:49:25,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025697258] [2025-01-23 20:49:25,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:49:25,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 391 states [2025-01-23 20:49:25,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:49:25,569 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 391 interpolants. [2025-01-23 20:49:25,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36270, Invalid=116220, Unknown=0, NotChecked=0, Total=152490 [2025-01-23 20:49:25,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:49:25,575 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:49:25,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 391 states, 391 states have (on average 1.8746803069053708) internal successors, (733), 390 states have internal predecessors, (733), 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) [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 20:49:25,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-23 20:49:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2025-01-23 20:49:46,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-23 20:49:46,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-23 20:49:46,535 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-23 20:49:46,535 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-23 20:49:46,536 INFO L139 ounterexampleChecker]: Examining path program with hash 207246277, occurence #2 [2025-01-23 20:49:46,536 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-23 20:49:46,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-23 20:49:46,536 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:49:46,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-23 20:49:46,536 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:49:46,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2025-01-23 20:49:46,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:49:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash -893385547, now seen corresponding path program 1 times [2025-01-23 20:49:46,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:49:46,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006291738] [2025-01-23 20:49:46,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:49:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:49:46,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 245 statements into 1 equivalence classes. [2025-01-23 20:49:46,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 245 of 245 statements. [2025-01-23 20:49:46,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:49:46,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-23 20:49:46,606 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-23 20:49:46,606 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-23 20:49:46,606 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 251 is hopeless, skipping. [2025-01-23 20:49:46,606 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 258 is hopeless, skipping. [2025-01-23 20:49:46,606 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 265 is hopeless, skipping. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2025-01-23 20:49:46,607 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:46,607 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2025-01-23 20:49:46,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:49:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1689634852, now seen corresponding path program 1 times [2025-01-23 20:49:46,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-23 20:49:46,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918918841] [2025-01-23 20:49:46,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:49:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:49:46,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-23 20:49:46,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-23 20:49:46,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:49:46,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:49:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 100 proven. 302 refuted. 0 times theorem prover too weak. 6281 trivial. 0 not checked. [2025-01-23 20:49:50,142 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-23 20:49:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918918841] [2025-01-23 20:49:50,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918918841] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:49:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [32814462] [2025-01-23 20:49:50,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-23 20:49:50,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:49:50,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 295 statements into 1 equivalence classes. [2025-01-23 20:49:50,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 295 of 295 statements. [2025-01-23 20:49:50,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:49:50,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:49:50,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 165 conjuncts are in the unsatisfiable core [2025-01-23 20:49:50,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:49:50,408 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 92 proven. 453 refuted. 0 times theorem prover too weak. 6138 trivial. 0 not checked. [2025-01-23 20:49:50,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [32814462] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:49:50,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-23 20:49:50,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2025-01-23 20:49:50,409 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-23 20:49:50,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2025-01-23 20:49:50,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:50,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2025-01-23 20:49:50,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:50,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2025-01-23 20:49:50,409 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-23 20:49:50,409 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2025-01-23 20:49:50,409 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-23 20:49:50,409 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-23 20:49:50,409 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-23 20:49:50,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-23 20:49:50,410 INFO L85 PathProgramCache]: Analyzing trace with hash -891506099, now seen corresponding path program 13 times [2025-01-23 20:49:50,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-23 20:49:50,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667050380] [2025-01-23 20:49:50,410 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:49:50,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-23 20:49:50,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-01-23 20:49:50,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-01-23 20:49:50,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:49:50,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:49:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 95 proven. 927 refuted. 0 times theorem prover too weak. 6137 trivial. 0 not checked. [2025-01-23 20:49:58,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-23 20:49:58,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667050380] [2025-01-23 20:49:58,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667050380] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-23 20:49:58,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228886011] [2025-01-23 20:49:58,294 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-23 20:49:58,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-23 20:49:58,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-23 20:49:58,295 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-23 20:49:58,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-23 20:49:58,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-01-23 20:49:58,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-01-23 20:49:58,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-23 20:49:58,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-23 20:49:58,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 239 conjuncts are in the unsatisfiable core [2025-01-23 20:49:58,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-23 20:50:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 92 proven. 7063 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-23 20:50:06,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-23 20:51:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 5798 proven. 1361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-23 20:51:41,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228886011] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-23 20:51:41,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-23 20:51:41,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 182, 177] total 390 [2025-01-23 20:51:41,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265121391] [2025-01-23 20:51:41,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-23 20:51:41,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 390 states [2025-01-23 20:51:41,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-23 20:51:41,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 390 interpolants. [2025-01-23 20:51:41,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42915, Invalid=108795, Unknown=0, NotChecked=0, Total=151710 [2025-01-23 20:51:41,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:51:41,912 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-23 20:51:41,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 390 states, 390 states have (on average 1.7743589743589743) internal successors, (692), 390 states have internal predecessors, (692), 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) [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2025-01-23 20:51:41,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-23 20:54:18,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 547 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 402 states. [2025-01-23 20:54:18,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 399 states. [2025-01-23 20:54:18,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-01-23 20:54:18,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-23 20:54:18,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-23 20:54:18,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-23 20:54:18,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-01-23 20:54:18,302 INFO L422 BasicCegarLoop]: Path program histogram: [13, 1] [2025-01-23 20:54:18,303 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-23 20:54:18,303 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-23 20:54:18,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-23 20:54:18,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 08:54:18 BasicIcfg [2025-01-23 20:54:18,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-23 20:54:18,314 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-23 20:54:18,314 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-23 20:54:18,314 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-23 20:54:18,315 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 08:41:19" (3/4) ... [2025-01-23 20:54:18,316 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-23 20:54:18,318 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-23 20:54:18,318 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-23 20:54:18,321 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2025-01-23 20:54:18,322 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-23 20:54:18,322 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-23 20:54:18,322 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-01-23 20:54:18,369 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml [2025-01-23 20:54:18,369 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml [2025-01-23 20:54:18,369 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-23 20:54:18,370 INFO L158 Benchmark]: Toolchain (without parser) took 779433.36ms. Allocated memory was 117.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 91.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2025-01-23 20:54:18,370 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 20:54:18,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.38ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 78.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 20:54:18,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.80ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 20:54:18,370 INFO L158 Benchmark]: Boogie Preprocessor took 21.83ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 76.0MB in the end (delta: 831.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-23 20:54:18,370 INFO L158 Benchmark]: RCFGBuilder took 336.42ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 56.0MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-23 20:54:18,371 INFO L158 Benchmark]: TraceAbstraction took 778819.15ms. Allocated memory was 117.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 55.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2025-01-23 20:54:18,371 INFO L158 Benchmark]: Witness Printer took 55.15ms. Allocated memory is still 3.3GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-23 20:54:18,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.38ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 78.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.80ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.83ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 76.0MB in the end (delta: 831.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.42ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 56.0MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 778819.15ms. Allocated memory was 117.4MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 55.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Witness Printer took 55.15ms. Allocated memory is still 3.3GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 73580, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 11638, dependent conditional: 11634, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63331, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 1389, dependent conditional: 1385, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 63331, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 1389, dependent conditional: 1385, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85848, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 23906, dependent conditional: 23902, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 85848, independent: 61942, independent conditional: 3602, independent unconditional: 58340, dependent: 23906, dependent conditional: 17533, dependent unconditional: 6373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 85848, independent: 61942, independent conditional: 3602, independent unconditional: 58340, dependent: 23906, dependent conditional: 17533, dependent unconditional: 6373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 557, independent: 257, independent conditional: 102, independent unconditional: 155, dependent: 300, dependent conditional: 296, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 557, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 404, dependent conditional: 0, dependent unconditional: 404, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 404, independent: 104, independent conditional: 102, independent unconditional: 2, dependent: 300, dependent conditional: 296, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 404, independent: 104, independent conditional: 102, independent unconditional: 2, dependent: 300, dependent conditional: 296, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4523, independent: 1159, independent conditional: 1116, independent unconditional: 43, dependent: 3364, dependent conditional: 3238, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 10, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 85848, independent: 61685, independent conditional: 3500, independent unconditional: 58185, dependent: 23606, dependent conditional: 17237, dependent unconditional: 6369, unknown: 557, unknown conditional: 398, unknown unconditional: 159] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 267, Positive conditional cache size: 112, Positive unconditional cache size: 155, Negative cache size: 300, Negative conditional cache size: 296, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 64528, Maximal queried relation: 14, Independence queries for same thread: 10249, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 53, Number of trivial persistent sets: 44, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 185, independent: 181, independent conditional: 0, independent unconditional: 181, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 73580, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 11638, dependent conditional: 11634, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63331, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 1389, dependent conditional: 1385, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 63331, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 1389, dependent conditional: 1385, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85848, independent: 61942, independent conditional: 61761, independent unconditional: 181, dependent: 23906, dependent conditional: 23902, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 85848, independent: 61942, independent conditional: 3602, independent unconditional: 58340, dependent: 23906, dependent conditional: 17533, dependent unconditional: 6373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 85848, independent: 61942, independent conditional: 3602, independent unconditional: 58340, dependent: 23906, dependent conditional: 17533, dependent unconditional: 6373, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 557, independent: 257, independent conditional: 102, independent unconditional: 155, dependent: 300, dependent conditional: 296, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 557, independent: 153, independent conditional: 0, independent unconditional: 153, dependent: 404, dependent conditional: 0, dependent unconditional: 404, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 404, independent: 104, independent conditional: 102, independent unconditional: 2, dependent: 300, dependent conditional: 296, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 404, independent: 104, independent conditional: 102, independent unconditional: 2, dependent: 300, dependent conditional: 296, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4523, independent: 1159, independent conditional: 1116, independent unconditional: 43, dependent: 3364, dependent conditional: 3238, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 10, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 85848, independent: 61685, independent conditional: 3500, independent unconditional: 58185, dependent: 23606, dependent conditional: 17237, dependent unconditional: 6369, unknown: 557, unknown conditional: 398, unknown unconditional: 159] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 267, Positive conditional cache size: 112, Positive unconditional cache size: 155, Negative cache size: 300, Negative conditional cache size: 296, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 64528, Maximal queried relation: 14, Independence queries for same thread: 10249 - PositiveResult [Line: 77]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 31 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 778.7s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 390.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2212, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 372.4s InterpolantComputationTime, 3835 NumberOfCodeBlocks, 3831 NumberOfCodeBlocksAsserted, 331 NumberOfCheckSat, 5690 ConstructedInterpolants, 0 QuantifiedInterpolants, 240492 SizeOfPredicates, 111 NumberOfNonLiveVariables, 3411 ConjunctsInSsa, 1246 ConjunctsInUnsatCore, 38 InterpolantComputations, 2 PerfectInterpolantSequences, 52050/95403 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 11290, ConditionCalculationTime [ms]: 510, ConditionCalculations: 45, QuantifiedConditions: 0, TraceChecks: 10, UnknownTraceChecks: 0, UnsatisfiedConditions: 5, ImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-23 20:54:18,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE