./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/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.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 15:38:05,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 15:38:05,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 15:38:05,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 15:38:05,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 15:38:05,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 15:38:05,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 15:38:05,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 15:38:05,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 15:38:05,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 15:38:05,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 15:38:05,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 15:38:05,718 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 15:38:05,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 15:38:05,719 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 15:38:05,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 15:38:05,720 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 15:38:05,720 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 15:38:05,720 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 15:38:05,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 15:38:05,720 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 15:38:05,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 15:38:05,721 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 15:38:05,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 15:38:05,722 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 15:38:05,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 15:38:05,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 15:38:05,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 15:38:05,722 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 15:38:05,722 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 15:38:05,722 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: Commutativity condition synthesis -> SUFFICIENT [2024-12-17 15:38:05,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 15:38:06,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 15:38:06,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 15:38:06,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 15:38:06,007 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 15:38:06,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-12-17 15:38:07,233 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/012136235/e7d68ba93e2d4346a56b54e1e2cb790c/FLAG0f705187b [2024-12-17 15:38:07,464 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 15:38:07,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-12-17 15:38:07,471 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/012136235/e7d68ba93e2d4346a56b54e1e2cb790c/FLAG0f705187b [2024-12-17 15:38:07,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/012136235/e7d68ba93e2d4346a56b54e1e2cb790c [2024-12-17 15:38:07,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 15:38:07,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 15:38:07,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 15:38:07,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 15:38:07,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 15:38:07,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:38:07" (1/1) ... [2024-12-17 15:38:07,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caea517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:07, skipping insertion in model container [2024-12-17 15:38:07,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:38:07" (1/1) ... [2024-12-17 15:38:07,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 15:38:07,973 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] [2024-12-17 15:38:07,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 15:38:07,985 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 15:38:07,997 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] [2024-12-17 15:38:07,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 15:38:08,008 INFO L204 MainTranslator]: Completed translation [2024-12-17 15:38:08,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08 WrapperNode [2024-12-17 15:38:08,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 15:38:08,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 15:38:08,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 15:38:08,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 15:38:08,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,025 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 41 [2024-12-17 15:38:08,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 15:38:08,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 15:38:08,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 15:38:08,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 15:38:08,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,035 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 15:38:08,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 15:38:08,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 15:38:08,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 15:38:08,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (1/1) ... [2024-12-17 15:38:08,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 15:38:08,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:08,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 15:38:08,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 15:38:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 15:38:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 15:38:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 15:38:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 15:38:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 15:38:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 15:38:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 15:38:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 15:38:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 15:38:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 15:38:08,083 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 15:38:08,139 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 15:38:08,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 15:38:08,273 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 15:38:08,273 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 15:38:08,374 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 15:38:08,375 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 15:38:08,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:38:08 BoogieIcfgContainer [2024-12-17 15:38:08,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 15:38:08,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 15:38:08,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 15:38:08,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 15:38:08,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:38:07" (1/3) ... [2024-12-17 15:38:08,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e81b090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:38:08, skipping insertion in model container [2024-12-17 15:38:08,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:38:08" (2/3) ... [2024-12-17 15:38:08,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e81b090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:38:08, skipping insertion in model container [2024-12-17 15:38:08,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:38:08" (3/3) ... [2024-12-17 15:38:08,387 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-12-17 15:38:08,402 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 15:38:08,404 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. [2024-12-17 15:38:08,404 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 15:38:08,443 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-17 15:38:08,489 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 15:38:08,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 15:38:08,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:08,493 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 15:38:08,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 15:38:08,553 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 15:38:08,567 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 15:38:08,573 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;@4553509f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 15:38:08,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-17 15:38:08,817 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:08,817 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:08,817 INFO L139 ounterexampleChecker]: Examining path program with hash 633218999, occurence #1 [2024-12-17 15:38:08,817 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:08,817 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:08,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:08,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1169777107, now seen corresponding path program 1 times [2024-12-17 15:38:08,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:08,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707987222] [2024-12-17 15:38:08,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:09,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:09,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707987222] [2024-12-17 15:38:09,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707987222] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:38:09,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:38:09,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 15:38:09,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773395091] [2024-12-17 15:38:09,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:38:09,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 15:38:09,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:09,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 15:38:09,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-17 15:38:09,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:09,122 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:09,123 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) [2024-12-17 15:38:09,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:09,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 15:38:09,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:09,185 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:09,185 INFO L139 ounterexampleChecker]: Examining path program with hash -479152407, occurence #1 [2024-12-17 15:38:09,185 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:09,188 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:09,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:09,189 INFO L85 PathProgramCache]: Analyzing trace with hash -3200603, now seen corresponding path program 1 times [2024-12-17 15:38:09,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:09,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304759671] [2024-12-17 15:38:09,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:09,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:09,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:09,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304759671] [2024-12-17 15:38:09,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304759671] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:09,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353784851] [2024-12-17 15:38:09,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:09,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:09,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:09,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:09,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 15:38:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:09,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 15:38:09,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:09,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 15:38:09,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353784851] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:09,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:09,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 19 [2024-12-17 15:38:09,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898128530] [2024-12-17 15:38:09,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:09,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-17 15:38:09,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:09,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-17 15:38:09,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-12-17 15:38:09,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:09,931 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:09,931 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) [2024-12-17 15:38:09,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:09,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:10,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:10,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:10,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 15:38:10,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:10,619 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:10,619 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:10,619 INFO L139 ounterexampleChecker]: Examining path program with hash 1370741334, occurence #1 [2024-12-17 15:38:10,619 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:10,619 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:10,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash 2110214689, now seen corresponding path program 2 times [2024-12-17 15:38:10,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:10,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848273355] [2024-12-17 15:38:10,620 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:38:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:10,641 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:38:10,641 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-12-17 15:38:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:10,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848273355] [2024-12-17 15:38:10,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848273355] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 15:38:10,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 15:38:10,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 15:38:10,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218114452] [2024-12-17 15:38:10,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 15:38:10,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 15:38:10,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:10,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 15:38:10,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 15:38:10,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:10,919 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:10,919 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) [2024-12-17 15:38:10,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:10,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:10,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:11,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-17 15:38:11,019 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:11,020 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:11,020 INFO L139 ounterexampleChecker]: Examining path program with hash 818929969, occurence #1 [2024-12-17 15:38:11,020 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:11,020 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:11,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:11,021 INFO L85 PathProgramCache]: Analyzing trace with hash -386875487, now seen corresponding path program 3 times [2024-12-17 15:38:11,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:11,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189415384] [2024-12-17 15:38:11,021 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:38:11,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:11,040 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-17 15:38:11,041 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 15:38:11,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:11,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189415384] [2024-12-17 15:38:11,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189415384] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:11,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987447293] [2024-12-17 15:38:11,484 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:38:11,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:11,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:11,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:11,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 15:38:11,543 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-12-17 15:38:11,543 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:11,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 15:38:11,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:12,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-17 15:38:12,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987447293] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:12,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:12,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 12] total 41 [2024-12-17 15:38:12,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616431157] [2024-12-17 15:38:12,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:12,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-12-17 15:38:12,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:12,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-12-17 15:38:12,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1318, Unknown=0, NotChecked=0, Total=1640 [2024-12-17 15:38:12,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:12,383 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:12,383 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) [2024-12-17 15:38:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:12,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:13,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 15:38:13,532 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 [2024-12-17 15:38:13,725 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 [2024-12-17 15:38:13,726 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:13,726 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:13,726 INFO L139 ounterexampleChecker]: Examining path program with hash -1275787046, occurence #1 [2024-12-17 15:38:13,726 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:13,726 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:13,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:13,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1328937895, now seen corresponding path program 4 times [2024-12-17 15:38:13,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:13,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156780553] [2024-12-17 15:38:13,728 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:38:13,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:13,746 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:38:13,746 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:14,163 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 15:38:14,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156780553] [2024-12-17 15:38:14,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156780553] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:14,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40620429] [2024-12-17 15:38:14,164 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:38:14,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:14,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:14,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:14,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 15:38:14,215 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:38:14,215 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:14,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 15:38:14,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:14,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-17 15:38:14,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40620429] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:14,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:14,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 13] total 40 [2024-12-17 15:38:14,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691006165] [2024-12-17 15:38:14,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:14,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-12-17 15:38:14,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:14,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-12-17 15:38:14,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2024-12-17 15:38:14,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:14,936 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:14,937 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) [2024-12-17 15:38:14,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:14,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:14,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:14,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 15:38:14,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:15,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 15:38:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 15:38:15,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-17 15:38:16,057 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 [2024-12-17 15:38:16,057 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:16,057 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:16,057 INFO L139 ounterexampleChecker]: Examining path program with hash -2105571518, occurence #1 [2024-12-17 15:38:16,057 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:16,057 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:16,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:16,058 INFO L85 PathProgramCache]: Analyzing trace with hash -550592537, now seen corresponding path program 5 times [2024-12-17 15:38:16,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:16,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555616537] [2024-12-17 15:38:16,058 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:38:16,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:16,074 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-17 15:38:16,074 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-17 15:38:16,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:16,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555616537] [2024-12-17 15:38:16,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555616537] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:16,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875886750] [2024-12-17 15:38:16,267 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:38:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:16,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:16,271 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:16,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 15:38:16,319 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-12-17 15:38:16,319 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:16,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-17 15:38:16,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:16,615 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:16,615 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:17,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875886750] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:17,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:17,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 21, 21] total 44 [2024-12-17 15:38:17,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295413089] [2024-12-17 15:38:17,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:17,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-12-17 15:38:17,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:17,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-12-17 15:38:17,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=471, Invalid=1509, Unknown=0, NotChecked=0, Total=1980 [2024-12-17 15:38:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:17,940 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:17,940 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) [2024-12-17 15:38:17,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:17,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 15:38:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 15:38:17,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:19,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:19,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:19,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 15:38:19,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:19,283 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:19,284 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:19,284 INFO L139 ounterexampleChecker]: Examining path program with hash 1416185464, occurence #1 [2024-12-17 15:38:19,284 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:19,284 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:19,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:19,284 INFO L85 PathProgramCache]: Analyzing trace with hash 427798181, now seen corresponding path program 6 times [2024-12-17 15:38:19,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:19,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722131760] [2024-12-17 15:38:19,284 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:38:19,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:19,314 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-17 15:38:19,316 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 5 proven. 141 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-12-17 15:38:20,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:20,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722131760] [2024-12-17 15:38:20,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722131760] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:20,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476137197] [2024-12-17 15:38:20,034 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:38:20,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:20,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:20,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:20,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 15:38:20,098 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-12-17 15:38:20,099 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:20,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-17 15:38:20,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:20,950 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 5 proven. 214 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:38:20,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 124 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:23,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476137197] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:23,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:23,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 37, 36] total 86 [2024-12-17 15:38:23,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872050488] [2024-12-17 15:38:23,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:23,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-12-17 15:38:23,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:23,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-12-17 15:38:23,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1950, Invalid=5360, Unknown=0, NotChecked=0, Total=7310 [2024-12-17 15:38:23,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:23,344 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:23,344 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) [2024-12-17 15:38:23,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:23,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:23,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:23,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:23,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:23,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:23,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-12-17 15:38:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-17 15:38:24,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 15:38:25,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:25,167 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:25,168 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:25,168 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #1 [2024-12-17 15:38:25,168 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:38:25,168 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:25,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:25,168 INFO L85 PathProgramCache]: Analyzing trace with hash -462256307, now seen corresponding path program 7 times [2024-12-17 15:38:25,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:25,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818582601] [2024-12-17 15:38:25,169 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:38:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-12-17 15:38:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818582601] [2024-12-17 15:38:26,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818582601] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395384384] [2024-12-17 15:38:26,223 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:38:26,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:26,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:26,225 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:26,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 15:38:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:26,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-17 15:38:26,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 7 proven. 599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:38:31,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 194 proven. 245 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-12-17 15:38:33,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395384384] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:33,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:33,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 58, 23] total 86 [2024-12-17 15:38:33,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946162278] [2024-12-17 15:38:33,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:33,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-12-17 15:38:33,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:33,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-12-17 15:38:33,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=850, Invalid=6460, Unknown=0, NotChecked=0, Total=7310 [2024-12-17 15:38:33,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:33,174 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:33,174 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) [2024-12-17 15:38:33,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-17 15:38:33,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:45,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:38:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:38:45,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-17 15:38:46,191 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 [2024-12-17 15:38:46,191 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:46,191 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:46,192 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #2 [2024-12-17 15:38:46,192 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:38:46,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 15:38:46,198 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:38:46,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:38:46,198 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:38:46,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 15:38:46,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:46,263 INFO L85 PathProgramCache]: Analyzing trace with hash -468969783, now seen corresponding path program 1 times [2024-12-17 15:38:46,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:38:46,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705770220] [2024-12-17 15:38:46,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:46,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:38:46,286 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 15:38:46,286 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:38:46,286 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2024-12-17 15:38:46,287 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 113 is hopeless, skipping. [2024-12-17 15:38:46,287 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2024-12-17 15:38:46,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-12-17 15:38:46,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:46,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 15:38:46,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:46,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-12-17 15:38:46,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:46,287 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-17 15:38:46,287 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:46,288 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2024-12-17 15:38:46,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:46,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1036473160, now seen corresponding path program 1 times [2024-12-17 15:38:46,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:38:46,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121047232] [2024-12-17 15:38:46,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:46,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:47,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 27 proven. 325 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2024-12-17 15:38:47,636 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:38:47,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121047232] [2024-12-17 15:38:47,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121047232] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:47,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1149326221] [2024-12-17 15:38:47,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:47,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-17 15:38:47,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 22 proven. 303 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2024-12-17 15:38:47,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1149326221] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:47,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:38:47,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 9 [2024-12-17 15:38:47,906 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 15:38:47,906 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 144 is hopeless, skipping. [2024-12-17 15:38:47,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 151 is hopeless, skipping. [2024-12-17 15:38:47,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 158 is hopeless, skipping. [2024-12-17 15:38:47,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 165 is hopeless, skipping. [2024-12-17 15:38:47,907 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 172 is hopeless, skipping. [2024-12-17 15:38:47,907 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2024-12-17 15:38:47,907 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:38:47,907 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:38:47,907 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:47,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:47,908 INFO L85 PathProgramCache]: Analyzing trace with hash 541461979, now seen corresponding path program 8 times [2024-12-17 15:38:47,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:47,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517896943] [2024-12-17 15:38:47,908 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:38:47,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:47,972 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:38:47,973 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 46 proven. 773 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2024-12-17 15:38:51,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:38:51,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517896943] [2024-12-17 15:38:51,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517896943] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:51,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457075588] [2024-12-17 15:38:51,469 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 15:38:51,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:38:51,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:38:51,471 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:38:51,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 15:38:51,566 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 15:38:51,566 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:38:51,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-17 15:38:51,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 135 proven. 1175 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2024-12-17 15:38:52,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:38:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1027 proven. 240 refuted. 0 times theorem prover too weak. 933 trivial. 0 not checked. [2024-12-17 15:38:53,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457075588] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:38:53,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:38:53,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2024-12-17 15:38:53,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161495036] [2024-12-17 15:38:53,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:38:53,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-12-17 15:38:53,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:38:53,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-12-17 15:38:53,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2024-12-17 15:38:53,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:53,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:38:53,475 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) [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:38:53,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:38:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:38:53,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:38:53,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 15:38:54,016 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 [2024-12-17 15:38:54,016 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:38:54,016 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:38:54,017 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #3 [2024-12-17 15:38:54,017 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:38:54,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 15:38:54,017 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:38:54,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:38:54,017 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:38:54,017 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 15:38:54,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:54,097 INFO L85 PathProgramCache]: Analyzing trace with hash -468969757, now seen corresponding path program 1 times [2024-12-17 15:38:54,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:38:54,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687118273] [2024-12-17 15:38:54,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:54,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:38:54,113 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 15:38:54,113 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:38:54,113 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 106 is hopeless, skipping. [2024-12-17 15:38:54,113 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 113 is hopeless, skipping. [2024-12-17 15:38:54,113 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 120 is hopeless, skipping. [2024-12-17 15:38:54,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2024-12-17 15:38:54,113 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:54,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 15:38:54,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:54,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2024-12-17 15:38:54,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:54,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-17 15:38:54,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:54,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 15:38:54,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:54,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2024-12-17 15:38:54,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:38:54,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2024-12-17 15:38:54,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:54,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1684881362, now seen corresponding path program 1 times [2024-12-17 15:38:54,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:38:54,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622428720] [2024-12-17 15:38:54,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:54,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:55,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 56 proven. 325 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2024-12-17 15:38:55,054 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:38:55,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622428720] [2024-12-17 15:38:55,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622428720] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:55,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1445557982] [2024-12-17 15:38:55,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:38:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:38:55,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-12-17 15:38:55,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:38:55,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1306 backedges. 51 proven. 192 refuted. 0 times theorem prover too weak. 1063 trivial. 0 not checked. [2024-12-17 15:38:55,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1445557982] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:38:55,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:38:55,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 11 [2024-12-17 15:38:55,273 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 15:38:55,273 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 150 is hopeless, skipping. [2024-12-17 15:38:55,273 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 157 is hopeless, skipping. [2024-12-17 15:38:55,273 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 164 is hopeless, skipping. [2024-12-17 15:38:55,273 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 171 is hopeless, skipping. [2024-12-17 15:38:55,273 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 178 is hopeless, skipping. [2024-12-17 15:38:55,273 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-12-17 15:38:55,273 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:38:55,273 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:38:55,273 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:38:55,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:38:55,274 INFO L85 PathProgramCache]: Analyzing trace with hash 686054107, now seen corresponding path program 9 times [2024-12-17 15:38:55,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:38:55,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189188442] [2024-12-17 15:38:55,274 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:38:55,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:38:55,424 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-12-17 15:38:55,425 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:39:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 17 proven. 1952 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-12-17 15:39:15,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:39:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189188442] [2024-12-17 15:39:15,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189188442] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:39:15,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93110397] [2024-12-17 15:39:15,632 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 15:39:15,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:39:15,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:39:15,634 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:39:15,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 15:39:15,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 29 check-sat command(s) [2024-12-17 15:39:15,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:39:15,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-12-17 15:39:15,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:39:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 51 proven. 2174 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:39:19,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:39:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2229 backedges. 1309 proven. 920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:39:40,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93110397] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:39:40,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:39:40,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 104, 93] total 246 [2024-12-17 15:39:40,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405037190] [2024-12-17 15:39:40,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:39:40,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 247 states [2024-12-17 15:39:40,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:39:40,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 247 interpolants. [2024-12-17 15:39:40,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12298, Invalid=48464, Unknown=0, NotChecked=0, Total=60762 [2024-12-17 15:39:40,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:39:40,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:39:40,897 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) [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:39:40,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:39:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:39:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:39:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:39:52,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:39:52,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 15:39:52,504 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 [2024-12-17 15:39:52,504 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:39:52,505 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:39:52,505 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #4 [2024-12-17 15:39:52,505 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:39:52,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 15:39:52,505 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:39:52,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:39:52,505 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:39:52,505 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2024-12-17 15:39:52,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:39:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash 233270107, now seen corresponding path program 1 times [2024-12-17 15:39:52,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:39:52,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111920769] [2024-12-17 15:39:52,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:39:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:39:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:39:52,591 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 15:39:52,592 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:39:52,592 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2024-12-17 15:39:52,592 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 138 is hopeless, skipping. [2024-12-17 15:39:52,592 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 145 is hopeless, skipping. [2024-12-17 15:39:52,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2024-12-17 15:39:52,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:39:52,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2024-12-17 15:39:52,592 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:39:52,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2024-12-17 15:39:52,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:39:52,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2024-12-17 15:39:52,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:39:52,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2024-12-17 15:39:52,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:39:52,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2024-12-17 15:39:52,593 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:39:52,593 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-17 15:39:52,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:39:52,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1189551798, now seen corresponding path program 1 times [2024-12-17 15:39:52,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:39:52,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179298593] [2024-12-17 15:39:52,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:39:52,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:39:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:39:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 52 proven. 493 refuted. 0 times theorem prover too weak. 1381 trivial. 0 not checked. [2024-12-17 15:39:53,927 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:39:53,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179298593] [2024-12-17 15:39:53,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179298593] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:39:53,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [575782593] [2024-12-17 15:39:53,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:39:53,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:39:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:39:53,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 92 conjuncts are in the unsatisfiable core [2024-12-17 15:39:53,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:39:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 51 proven. 78 refuted. 0 times theorem prover too weak. 1797 trivial. 0 not checked. [2024-12-17 15:39:54,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [575782593] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:39:54,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:39:54,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 12 [2024-12-17 15:39:54,146 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 175 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 182 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 189 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 196 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 203 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 210 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 217 is hopeless, skipping. [2024-12-17 15:39:54,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2024-12-17 15:39:54,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:39:54,147 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:39:54,147 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:39:54,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:39:54,147 INFO L85 PathProgramCache]: Analyzing trace with hash 273351625, now seen corresponding path program 10 times [2024-12-17 15:39:54,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:39:54,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382355461] [2024-12-17 15:39:54,148 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:39:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:39:54,393 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:39:54,393 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:40:27,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 734 proven. 2730 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 15:40:27,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:40:27,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382355461] [2024-12-17 15:40:27,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382355461] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:40:27,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180662987] [2024-12-17 15:40:27,419 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 15:40:27,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:40:27,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:40:27,420 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:40:27,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 15:40:27,554 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 15:40:27,554 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:40:27,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 173 conjuncts are in the unsatisfiable core [2024-12-17 15:40:27,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:41:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 9 proven. 3467 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:41:34,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:41:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3476 backedges. 996 proven. 1116 refuted. 0 times theorem prover too weak. 1364 trivial. 0 not checked. [2024-12-17 15:41:37,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180662987] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:41:37,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:41:37,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 135, 34] total 263 [2024-12-17 15:41:37,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987612184] [2024-12-17 15:41:37,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:41:37,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2024-12-17 15:41:37,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:41:37,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2024-12-17 15:41:37,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8352, Invalid=60554, Unknown=0, NotChecked=0, Total=68906 [2024-12-17 15:41:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:41:37,514 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:41:37,514 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) [2024-12-17 15:41:37,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:41:37,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:41:37,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:41:37,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:45:02,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 363 states. [2024-12-17 15:45:02,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 15:45:02,525 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 [2024-12-17 15:45:02,525 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:45:02,526 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:45:02,526 INFO L139 ounterexampleChecker]: Examining path program with hash 207246277, occurence #1 [2024-12-17 15:45:02,526 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 15:45:02,526 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:45:02,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:45:02,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2104687645, now seen corresponding path program 11 times [2024-12-17 15:45:02,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:45:02,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717129252] [2024-12-17 15:45:02,527 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:45:02,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:45:02,715 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2024-12-17 15:45:02,715 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:45:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 0 proven. 1989 refuted. 0 times theorem prover too weak. 5858 trivial. 0 not checked. [2024-12-17 15:45:07,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:45:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717129252] [2024-12-17 15:45:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717129252] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:45:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743502071] [2024-12-17 15:45:07,748 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 15:45:07,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:45:07,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:45:07,750 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:45:07,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 15:45:08,012 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 54 check-sat command(s) [2024-12-17 15:45:08,012 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:45:08,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 190 conjuncts are in the unsatisfiable core [2024-12-17 15:45:08,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:45:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 0 proven. 1942 refuted. 0 times theorem prover too weak. 5905 trivial. 0 not checked. [2024-12-17 15:45:08,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:45:09,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7847 backedges. 2509 proven. 652 refuted. 0 times theorem prover too weak. 4686 trivial. 0 not checked. [2024-12-17 15:45:09,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743502071] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:45:09,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:45:09,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 24 [2024-12-17 15:45:09,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736567519] [2024-12-17 15:45:09,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:45:09,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-17 15:45:09,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:45:09,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-17 15:45:09,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2024-12-17 15:45:09,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:45:09,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:45:09,127 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) [2024-12-17 15:45:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:45:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:45:09,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 363 states. [2024-12-17 15:45:09,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:45:09,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-12-17 15:45:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:45:09,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 15:45:10,158 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 [2024-12-17 15:45:10,158 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:45:10,158 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:45:10,159 INFO L139 ounterexampleChecker]: Examining path program with hash -807489142, occurence #5 [2024-12-17 15:45:10,159 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:45:10,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 15:45:10,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:45:10,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:45:10,159 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:45:10,159 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 219 [2024-12-17 15:45:10,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:45:10,215 INFO L85 PathProgramCache]: Analyzing trace with hash -689873335, now seen corresponding path program 1 times [2024-12-17 15:45:10,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:45:10,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204286261] [2024-12-17 15:45:10,215 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:45:10,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:45:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:45:10,243 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 15:45:10,243 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:45:10,243 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 226 is hopeless, skipping. [2024-12-17 15:45:10,243 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 233 is hopeless, skipping. [2024-12-17 15:45:10,243 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 240 is hopeless, skipping. [2024-12-17 15:45:10,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2024-12-17 15:45:10,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2024-12-17 15:45:10,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2024-12-17 15:45:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2024-12-17 15:45:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2024-12-17 15:45:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2024-12-17 15:45:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2024-12-17 15:45:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2024-12-17 15:45:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:45:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2024-12-17 15:45:10,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:45:10,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1937958344, now seen corresponding path program 1 times [2024-12-17 15:45:10,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:45:10,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807748541] [2024-12-17 15:45:10,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:45:10,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:45:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:45:12,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 92 proven. 714 refuted. 0 times theorem prover too weak. 4657 trivial. 0 not checked. [2024-12-17 15:45:12,969 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:45:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807748541] [2024-12-17 15:45:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807748541] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:45:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1276324254] [2024-12-17 15:45:12,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:45:12,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:45:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:45:13,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 150 conjuncts are in the unsatisfiable core [2024-12-17 15:45:13,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:45:13,279 INFO L134 CoverageAnalysis]: Checked inductivity of 5463 backedges. 92 proven. 900 refuted. 0 times theorem prover too weak. 4471 trivial. 0 not checked. [2024-12-17 15:45:13,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1276324254] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:45:13,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:45:13,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2024-12-17 15:45:13,280 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 276 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 283 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 290 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 297 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 304 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 311 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 318 is hopeless, skipping. [2024-12-17 15:45:13,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 326 [2024-12-17 15:45:13,280 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:45:13,280 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:45:13,280 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:45:13,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:45:13,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1183316389, now seen corresponding path program 12 times [2024-12-17 15:45:13,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:45:13,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272725069] [2024-12-17 15:45:13,281 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:45:13,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:45:13,664 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2024-12-17 15:45:13,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:45:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 0 proven. 3279 refuted. 0 times theorem prover too weak. 4608 trivial. 0 not checked. [2024-12-17 15:45:27,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:45:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272725069] [2024-12-17 15:45:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272725069] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:45:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505637209] [2024-12-17 15:45:27,725 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 15:45:27,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:45:27,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:45:27,727 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:45:27,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 15:45:27,958 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 54 check-sat command(s) [2024-12-17 15:45:27,959 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 15:45:27,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 236 conjuncts are in the unsatisfiable core [2024-12-17 15:45:27,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:45:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 92 proven. 7791 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:45:35,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:47:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 7887 backedges. 5922 proven. 1965 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:47:06,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505637209] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:47:06,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:47:06,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 185, 169] total 390 [2024-12-17 15:47:06,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032699123] [2024-12-17 15:47:06,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:47:06,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 391 states [2024-12-17 15:47:06,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:47:06,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 391 interpolants. [2024-12-17 15:47:06,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36270, Invalid=116220, Unknown=0, NotChecked=0, Total=152490 [2024-12-17 15:47:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:47:06,221 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:47:06,222 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) [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:47:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:47:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:47:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:47:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2024-12-17 15:47:30,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-17 15:47:31,064 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 [2024-12-17 15:47:31,065 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-17 15:47:31,065 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 15:47:31,065 INFO L139 ounterexampleChecker]: Examining path program with hash 207246277, occurence #2 [2024-12-17 15:47:31,065 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 15:47:31,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-12-17 15:47:31,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:47:31,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 15:47:31,065 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:47:31,065 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 244 [2024-12-17 15:47:31,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:47:31,123 INFO L85 PathProgramCache]: Analyzing trace with hash -893385547, now seen corresponding path program 1 times [2024-12-17 15:47:31,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:47:31,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995664557] [2024-12-17 15:47:31,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:47:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:47:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 15:47:31,227 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 15:47:31,227 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 15:47:31,227 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 251 is hopeless, skipping. [2024-12-17 15:47:31,227 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 258 is hopeless, skipping. [2024-12-17 15:47:31,227 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 265 is hopeless, skipping. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 274 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 283 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 292 [2024-12-17 15:47:31,228 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:31,228 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2024-12-17 15:47:31,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:47:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1689634852, now seen corresponding path program 1 times [2024-12-17 15:47:31,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 15:47:31,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065797175] [2024-12-17 15:47:31,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:47:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:47:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:47:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 100 proven. 302 refuted. 0 times theorem prover too weak. 6281 trivial. 0 not checked. [2024-12-17 15:47:34,810 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 15:47:34,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065797175] [2024-12-17 15:47:34,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065797175] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:47:34,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [583670214] [2024-12-17 15:47:34,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 15:47:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:47:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:47:34,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 165 conjuncts are in the unsatisfiable core [2024-12-17 15:47:34,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:47:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6683 backedges. 92 proven. 453 refuted. 0 times theorem prover too weak. 6138 trivial. 0 not checked. [2024-12-17 15:47:35,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [583670214] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:47:35,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 15:47:35,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 13 [2024-12-17 15:47:35,163 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 15:47:35,163 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 307 [2024-12-17 15:47:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 309 [2024-12-17 15:47:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 311 [2024-12-17 15:47:35,164 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 15:47:35,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 313 [2024-12-17 15:47:35,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 15:47:35,164 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 15:47:35,164 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 15:47:35,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 15:47:35,165 INFO L85 PathProgramCache]: Analyzing trace with hash -891506099, now seen corresponding path program 13 times [2024-12-17 15:47:35,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 15:47:35,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596044240] [2024-12-17 15:47:35,165 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:47:35,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 15:47:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:47:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 95 proven. 927 refuted. 0 times theorem prover too weak. 6137 trivial. 0 not checked. [2024-12-17 15:47:42,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 15:47:42,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596044240] [2024-12-17 15:47:42,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596044240] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 15:47:42,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24029620] [2024-12-17 15:47:42,573 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 15:47:42,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 15:47:42,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 15:47:42,575 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 15:47:42,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 15:47:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 15:47:42,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 239 conjuncts are in the unsatisfiable core [2024-12-17 15:47:42,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 15:47:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 92 proven. 7063 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 15:47:53,263 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 15:49:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7159 backedges. 5798 proven. 1361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 15:49:37,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24029620] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 15:49:37,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 15:49:37,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 182, 177] total 390 [2024-12-17 15:49:37,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324321662] [2024-12-17 15:49:37,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 15:49:37,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 390 states [2024-12-17 15:49:37,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 15:49:37,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 390 interpolants. [2024-12-17 15:49:37,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42915, Invalid=108795, Unknown=0, NotChecked=0, Total=151710 [2024-12-17 15:49:37,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 15:49:37,235 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 15:49:37,235 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) [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2024-12-17 15:49:37,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15