./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ebd41074 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --- Real Ultimate output --- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-24 02:34:54,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 02:34:54,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 02:34:54,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 02:34:54,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 02:34:54,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 02:34:54,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 02:34:54,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 02:34:54,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 02:34:54,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 02:34:54,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 02:34:54,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 02:34:54,376 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 02:34:54,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 02:34:54,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 02:34:54,377 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 02:34:54,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:34:54,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 02:34:54,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 02:34:54,379 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 02:34:54,379 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 -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-24 02:34:54,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 02:34:54,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 02:34:54,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 02:34:54,659 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 02:34:54,660 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 02:34:54,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2025-01-24 02:34:55,828 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2afcfba31/b622acc11de6482aa367718ad138c647/FLAG9022b1ff9 [2025-01-24 02:34:56,024 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 02:34:56,024 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2025-01-24 02:34:56,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2afcfba31/b622acc11de6482aa367718ad138c647/FLAG9022b1ff9 [2025-01-24 02:34:56,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/2afcfba31/b622acc11de6482aa367718ad138c647 [2025-01-24 02:34:56,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 02:34:56,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 02:34:56,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 02:34:56,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 02:34:56,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 02:34:56,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9103de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56, skipping insertion in model container [2025-01-24 02:34:56,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 02:34:56,199 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-bad-buffer-mult-alt.wvr.c[4345,4358] [2025-01-24 02:34:56,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:34:56,218 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 02:34:56,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c[4345,4358] [2025-01-24 02:34:56,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:34:56,293 INFO L204 MainTranslator]: Completed translation [2025-01-24 02:34:56,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56 WrapperNode [2025-01-24 02:34:56,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 02:34:56,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 02:34:56,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 02:34:56,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 02:34:56,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,331 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 293 [2025-01-24 02:34:56,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 02:34:56,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 02:34:56,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 02:34:56,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 02:34:56,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 02:34:56,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 02:34:56,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 02:34:56,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 02:34:56,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (1/1) ... [2025-01-24 02:34:56,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:34:56,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:34:56,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-24 02:34:56,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-24 02:34:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 02:34:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 02:34:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 02:34:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 02:34:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 02:34:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-24 02:34:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 02:34:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 02:34:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 02:34:56,413 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-24 02:34:56,499 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 02:34:56,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 02:34:56,798 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 02:34:56,799 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 02:34:57,069 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 02:34:57,069 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-24 02:34:57,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:34:57 BoogieIcfgContainer [2025-01-24 02:34:57,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 02:34:57,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 02:34:57,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 02:34:57,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 02:34:57,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 02:34:56" (1/3) ... [2025-01-24 02:34:57,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70215b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:34:57, skipping insertion in model container [2025-01-24 02:34:57,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:34:56" (2/3) ... [2025-01-24 02:34:57,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70215b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:34:57, skipping insertion in model container [2025-01-24 02:34:57,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:34:57" (3/3) ... [2025-01-24 02:34:57,077 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2025-01-24 02:34:57,087 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 02:34:57,088 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-24 02:34:57,088 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 02:34:57,142 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-24 02:34:57,169 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:34:57,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 02:34:57,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:34:57,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-24 02:34:57,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-24 02:34:57,246 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 02:34:57,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 02:34:57,262 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;@479a74fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:34:57,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-24 02:34:58,288 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:34:58,288 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:34:58,288 INFO L139 ounterexampleChecker]: Examining path program with hash 1006983191, occurence #1 [2025-01-24 02:34:58,289 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:34:58,289 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:34:58,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:34:58,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1008749985, now seen corresponding path program 1 times [2025-01-24 02:34:58,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:34:58,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176461727] [2025-01-24 02:34:58,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:34:58,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:34:58,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-01-24 02:34:58,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-01-24 02:34:58,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:34:58,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:34:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-24 02:34:59,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:34:59,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176461727] [2025-01-24 02:34:59,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176461727] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:34:59,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:34:59,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 02:34:59,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840882340] [2025-01-24 02:34:59,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:34:59,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:34:59,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:34:59,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:34:59,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:34:59,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:34:59,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:34:59,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:34:59,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:34:59,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:34:59,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 02:34:59,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:34:59,360 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:34:59,360 INFO L139 ounterexampleChecker]: Examining path program with hash 1006983191, occurence #2 [2025-01-24 02:34:59,361 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:34:59,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:34:59,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:34:59,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:34:59,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:34:59,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,372 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:34:59,372 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 02:34:59,373 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-24 02:34:59,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:34:59,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1334541504, now seen corresponding path program 1 times [2025-01-24 02:34:59,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:34:59,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554662262] [2025-01-24 02:34:59,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:34:59,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:34:59,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-24 02:34:59,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-24 02:34:59,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:34:59,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:34:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:34:59,662 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:34:59,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554662262] [2025-01-24 02:34:59,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554662262] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:34:59,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:34:59,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 02:34:59,663 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2025-01-24 02:34:59,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:34:59,665 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-24 02:34:59,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:34:59,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-24 02:34:59,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:34:59,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:34:59,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:34:59,667 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:34:59,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:34:59,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:34:59,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:34:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:34:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:34:59,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-24 02:34:59,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:34:59,769 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:34:59,769 INFO L139 ounterexampleChecker]: Examining path program with hash 1006983191, occurence #3 [2025-01-24 02:34:59,769 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:34:59,769 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:34:59,769 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:34:59,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:34:59,770 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:34:59,770 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 02:34:59,770 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 02:34:59,770 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:34:59,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-24 02:34:59,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:34:59,825 INFO L85 PathProgramCache]: Analyzing trace with hash -775235118, now seen corresponding path program 1 times [2025-01-24 02:34:59,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:34:59,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599800157] [2025-01-24 02:34:59,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:34:59,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:34:59,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-24 02:34:59,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-24 02:34:59,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:34:59,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:00,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:00,108 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:00,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599800157] [2025-01-24 02:35:00,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599800157] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:00,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2063792513] [2025-01-24 02:35:00,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:00,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-24 02:35:00,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-24 02:35:00,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:00,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:00,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:35:00,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:00,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2063792513] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:00,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:00,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-24 02:35:00,301 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:00,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 02:35:00,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:00,325 INFO L85 PathProgramCache]: Analyzing trace with hash 236824397, now seen corresponding path program 1 times [2025-01-24 02:35:00,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:00,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998163192] [2025-01-24 02:35:00,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:00,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-24 02:35:00,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-24 02:35:00,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:00,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:00,553 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:00,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998163192] [2025-01-24 02:35:00,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998163192] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:00,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1757565439] [2025-01-24 02:35:00,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:00,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:00,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-24 02:35:00,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-24 02:35:00,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:00,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:00,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:35:00,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:00,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1757565439] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:00,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:00,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-01-24 02:35:00,714 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:00,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-24 02:35:00,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:00,779 INFO L85 PathProgramCache]: Analyzing trace with hash -90110810, now seen corresponding path program 1 times [2025-01-24 02:35:00,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:00,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525319093] [2025-01-24 02:35:00,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:00,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:00,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-24 02:35:00,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-24 02:35:00,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:00,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:01,023 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:01,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525319093] [2025-01-24 02:35:01,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525319093] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:01,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2092633306] [2025-01-24 02:35:01,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:01,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:01,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-24 02:35:01,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-24 02:35:01,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:01,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:01,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:35:01,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:01,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2092633306] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:01,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:01,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-24 02:35:01,225 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:01,225 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2025-01-24 02:35:01,225 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2025-01-24 02:35:01,226 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-24 02:35:01,226 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:01,226 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:01,226 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:01,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:01,226 INFO L85 PathProgramCache]: Analyzing trace with hash -648820825, now seen corresponding path program 1 times [2025-01-24 02:35:01,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:01,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689695145] [2025-01-24 02:35:01,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:01,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:01,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-24 02:35:01,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-24 02:35:01,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:01,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:01,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:01,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689695145] [2025-01-24 02:35:01,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689695145] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:01,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785167540] [2025-01-24 02:35:01,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:01,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:01,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:01,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:01,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-24 02:35:01,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-01-24 02:35:01,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-01-24 02:35:01,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:01,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:01,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:35:01,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:01,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:35:02,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785167540] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:02,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:02,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-01-24 02:35:02,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021632284] [2025-01-24 02:35:02,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:02,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-24 02:35:02,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:02,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-24 02:35:02,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-01-24 02:35:02,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:02,035 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:02,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:02,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:02,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:02,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:02,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-24 02:35:02,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:02,388 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:02,389 INFO L139 ounterexampleChecker]: Examining path program with hash 1006983191, occurence #4 [2025-01-24 02:35:02,389 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:02,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:02,389 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:02,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 02:35:02,389 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:02,389 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 02:35:02,390 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:02,390 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:35:02,390 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:02,390 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 02:35:02,390 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:02,390 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-24 02:35:02,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:02,431 INFO L85 PathProgramCache]: Analyzing trace with hash -630225965, now seen corresponding path program 1 times [2025-01-24 02:35:02,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:02,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959520228] [2025-01-24 02:35:02,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:02,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-24 02:35:02,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-24 02:35:02,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:02,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:02,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:35:02,633 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959520228] [2025-01-24 02:35:02,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959520228] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:02,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [519939921] [2025-01-24 02:35:02,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:02,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-24 02:35:02,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-24 02:35:02,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:02,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:02,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:35:02,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:35:02,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [519939921] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:02,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:02,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-24 02:35:02,831 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:02,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 02:35:02,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:02,850 INFO L85 PathProgramCache]: Analyzing trace with hash -701728674, now seen corresponding path program 1 times [2025-01-24 02:35:02,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:02,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101328581] [2025-01-24 02:35:02,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:02,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:02,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-24 02:35:02,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-24 02:35:02,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:02,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:35:03,059 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:03,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101328581] [2025-01-24 02:35:03,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101328581] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:03,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1989014745] [2025-01-24 02:35:03,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:03,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:03,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-24 02:35:03,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-24 02:35:03,088 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:03,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:03,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:35:03,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:03,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:35:03,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1989014745] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:03,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:03,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-24 02:35:03,260 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:03,261 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-24 02:35:03,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:03,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1433554359, now seen corresponding path program 1 times [2025-01-24 02:35:03,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:03,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029955613] [2025-01-24 02:35:03,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:03,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-24 02:35:03,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-24 02:35:03,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:03,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:35:03,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029955613] [2025-01-24 02:35:03,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029955613] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:03,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1414682559] [2025-01-24 02:35:03,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:03,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:03,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-24 02:35:03,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-24 02:35:03,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:03,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:03,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:35:03,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:35:03,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1414682559] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:03,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:03,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-24 02:35:03,842 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:03,842 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2025-01-24 02:35:03,842 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2025-01-24 02:35:03,842 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-01-24 02:35:03,842 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:03,842 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:03,842 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:03,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:03,843 INFO L85 PathProgramCache]: Analyzing trace with hash 92634527, now seen corresponding path program 2 times [2025-01-24 02:35:03,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:03,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610654558] [2025-01-24 02:35:03,843 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:35:03,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:03,859 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-01-24 02:35:03,886 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 140 of 144 statements. [2025-01-24 02:35:03,886 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 02:35:03,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-24 02:35:04,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:04,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610654558] [2025-01-24 02:35:04,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610654558] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:35:04,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:35:04,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-01-24 02:35:04,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522951601] [2025-01-24 02:35:04,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:35:04,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-24 02:35:04,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:04,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-24 02:35:04,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2025-01-24 02:35:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:04,584 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:04,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:04,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:04,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:35:04,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-01-24 02:35:04,779 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:04,779 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:04,779 INFO L139 ounterexampleChecker]: Examining path program with hash 154819754, occurence #1 [2025-01-24 02:35:04,779 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:04,779 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:04,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:04,779 INFO L85 PathProgramCache]: Analyzing trace with hash 293683225, now seen corresponding path program 3 times [2025-01-24 02:35:04,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:04,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739030739] [2025-01-24 02:35:04,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:35:04,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:04,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 116 statements into 4 equivalence classes. [2025-01-24 02:35:04,807 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 62 of 116 statements. [2025-01-24 02:35:04,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-24 02:35:04,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-24 02:35:04,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:04,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739030739] [2025-01-24 02:35:04,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739030739] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:35:04,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:35:04,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-24 02:35:04,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455021658] [2025-01-24 02:35:04,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:35:04,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-24 02:35:04,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:04,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-24 02:35:04,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-24 02:35:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:04,963 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:04,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:35:04,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:35:05,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:05,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-24 02:35:05,588 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:05,588 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:05,588 INFO L139 ounterexampleChecker]: Examining path program with hash 1213885615, occurence #1 [2025-01-24 02:35:05,588 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:05,588 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:05,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:05,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1596632750, now seen corresponding path program 4 times [2025-01-24 02:35:05,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:05,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294183932] [2025-01-24 02:35:05,589 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:35:05,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:05,617 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 134 statements into 2 equivalence classes. [2025-01-24 02:35:05,658 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-24 02:35:05,658 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:35:05,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-24 02:35:06,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:06,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294183932] [2025-01-24 02:35:06,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294183932] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:06,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599500543] [2025-01-24 02:35:06,220 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:35:06,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:06,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:06,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:06,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-24 02:35:06,313 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 134 statements into 2 equivalence classes. [2025-01-24 02:35:06,371 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-01-24 02:35:06,371 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:35:06,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:06,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-24 02:35:06,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 02:35:06,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:06,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2025-01-24 02:35:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 02:35:07,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599500543] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:07,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:07,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 36 [2025-01-24 02:35:07,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911015931] [2025-01-24 02:35:07,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:07,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-24 02:35:07,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:07,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-24 02:35:07,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1013, Unknown=0, NotChecked=0, Total=1332 [2025-01-24 02:35:07,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:07,242 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:07,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.135135135135135) internal successors, (301), 36 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:35:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:09,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:09,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-24 02:35:09,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:09,574 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:09,574 INFO L139 ounterexampleChecker]: Examining path program with hash 5604270, occurence #1 [2025-01-24 02:35:09,574 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:09,574 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:09,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:09,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1883674148, now seen corresponding path program 5 times [2025-01-24 02:35:09,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:09,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60153317] [2025-01-24 02:35:09,576 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:35:09,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:09,609 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 180 statements into 8 equivalence classes. [2025-01-24 02:35:10,145 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 180 of 180 statements. [2025-01-24 02:35:10,146 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-24 02:35:10,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 209 proven. 57 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-24 02:35:10,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:10,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60153317] [2025-01-24 02:35:10,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60153317] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:10,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135042478] [2025-01-24 02:35:10,647 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:35:10,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:10,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:10,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:10,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-24 02:35:10,756 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 180 statements into 8 equivalence classes. [2025-01-24 02:35:10,902 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 180 of 180 statements. [2025-01-24 02:35:10,902 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-24 02:35:10,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:10,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-24 02:35:10,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 206 proven. 21 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-01-24 02:35:11,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 168 proven. 59 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-01-24 02:35:11,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135042478] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:11,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:11,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2025-01-24 02:35:11,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685901143] [2025-01-24 02:35:11,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:11,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-01-24 02:35:11,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:11,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-01-24 02:35:11,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2025-01-24 02:35:11,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:11,613 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:11,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.4523809523809526) internal successors, (271), 41 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:11,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:11,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-24 02:35:12,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:12,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:12,015 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:12,015 INFO L139 ounterexampleChecker]: Examining path program with hash 5604270, occurence #2 [2025-01-24 02:35:12,015 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:12,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:12,015 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:12,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:35:12,015 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:12,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-24 02:35:12,015 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:12,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 02:35:12,015 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:12,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 02:35:12,015 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:12,015 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-01-24 02:35:12,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:12,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1443263797, now seen corresponding path program 1 times [2025-01-24 02:35:12,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:12,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603943615] [2025-01-24 02:35:12,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:12,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:12,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-01-24 02:35:12,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-01-24 02:35:12,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:12,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-01-24 02:35:12,457 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:12,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603943615] [2025-01-24 02:35:12,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603943615] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:12,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [788962378] [2025-01-24 02:35:12,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:12,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:12,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-01-24 02:35:12,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-01-24 02:35:12,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:12,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:12,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:35:12,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-01-24 02:35:12,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [788962378] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:12,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:12,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-01-24 02:35:12,689 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:12,689 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-01-24 02:35:12,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash -153100765, now seen corresponding path program 1 times [2025-01-24 02:35:12,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:12,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284326888] [2025-01-24 02:35:12,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:12,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-24 02:35:12,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-24 02:35:12,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:12,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-01-24 02:35:13,123 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:13,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284326888] [2025-01-24 02:35:13,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284326888] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:13,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1049431497] [2025-01-24 02:35:13,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:13,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-24 02:35:13,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-24 02:35:13,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:13,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:13,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:35:13,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-01-24 02:35:13,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1049431497] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:13,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:13,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-24 02:35:13,450 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:13,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-01-24 02:35:13,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:13,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-01-24 02:35:13,451 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:13,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2025-01-24 02:35:13,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:13,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1322609786, now seen corresponding path program 1 times [2025-01-24 02:35:13,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:13,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226766250] [2025-01-24 02:35:13,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:13,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:13,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-01-24 02:35:13,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-01-24 02:35:13,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:13,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-01-24 02:35:13,657 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:13,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226766250] [2025-01-24 02:35:13,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226766250] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:35:13,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:35:13,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 02:35:13,658 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 164. Constructing proof automaton... [2025-01-24 02:35:13,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:35:13,658 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-24 02:35:13,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 02:35:13,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-24 02:35:13,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:35:13,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:35:13,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:13,659 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:13,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:13,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:13,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:13,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2025-01-24 02:35:13,977 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:13,977 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:13,977 INFO L139 ounterexampleChecker]: Examining path program with hash 1121715250, occurence #1 [2025-01-24 02:35:13,977 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:13,977 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:13,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1368414792, now seen corresponding path program 6 times [2025-01-24 02:35:13,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:13,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367797048] [2025-01-24 02:35:13,978 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:35:13,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:13,998 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 204 statements into 12 equivalence classes. [2025-01-24 02:35:14,022 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 76 of 204 statements. [2025-01-24 02:35:14,022 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-24 02:35:14,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 4 proven. 83 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-01-24 02:35:14,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:14,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367797048] [2025-01-24 02:35:14,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367797048] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:14,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554222651] [2025-01-24 02:35:14,199 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:35:14,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:14,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:14,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:14,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-24 02:35:14,325 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 204 statements into 12 equivalence classes. [2025-01-24 02:35:14,362 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 76 of 204 statements. [2025-01-24 02:35:14,363 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-24 02:35:14,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:14,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-24 02:35:14,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-01-24 02:35:14,543 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:14,718 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-01-24 02:35:14,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554222651] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:14,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:14,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2025-01-24 02:35:14,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442198900] [2025-01-24 02:35:14,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:14,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-24 02:35:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:14,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-24 02:35:14,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2025-01-24 02:35:14,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:14,721 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:14,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.421052631578948) internal successors, (103), 19 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:14,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:14,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:15,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-24 02:35:15,060 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:15,060 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:15,060 INFO L139 ounterexampleChecker]: Examining path program with hash 1121715250, occurence #2 [2025-01-24 02:35:15,060 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:15,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:15,060 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 02:35:15,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:15,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 02:35:15,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:15,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 02:35:15,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:15,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 02:35:15,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:15,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-24 02:35:15,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:15,076 INFO L85 PathProgramCache]: Analyzing trace with hash 613433911, now seen corresponding path program 1 times [2025-01-24 02:35:15,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:15,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227163682] [2025-01-24 02:35:15,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:15,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:15,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-24 02:35:15,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-24 02:35:15,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:15,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-01-24 02:35:15,434 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227163682] [2025-01-24 02:35:15,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227163682] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:15,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [295342570] [2025-01-24 02:35:15,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:15,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:15,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-01-24 02:35:15,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-01-24 02:35:15,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:15,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:15,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-24 02:35:15,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-01-24 02:35:15,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [295342570] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:15,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:15,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-01-24 02:35:15,706 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:15,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-01-24 02:35:15,706 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,706 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-01-24 02:35:15,707 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:15,707 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-24 02:35:15,707 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:15,707 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:15,707 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:15,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:15,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1536778697, now seen corresponding path program 7 times [2025-01-24 02:35:15,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:15,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606186522] [2025-01-24 02:35:15,708 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:35:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:15,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-24 02:35:15,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-24 02:35:15,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:15,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2025-01-24 02:35:16,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:16,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606186522] [2025-01-24 02:35:16,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606186522] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:16,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304372591] [2025-01-24 02:35:16,158 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:35:16,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:16,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:16,160 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:16,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-24 02:35:16,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-01-24 02:35:16,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-01-24 02:35:16,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:16,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:16,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-24 02:35:16,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-24 02:35:16,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-01-24 02:35:16,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304372591] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:16,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:16,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2025-01-24 02:35:16,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278655816] [2025-01-24 02:35:16,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:16,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-24 02:35:16,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:16,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-24 02:35:16,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-01-24 02:35:16,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:16,572 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:16,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:16,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:16,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:16,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:16,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:16,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:17,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:17,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:17,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-24 02:35:17,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-01-24 02:35:17,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:17,827 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:17,827 INFO L139 ounterexampleChecker]: Examining path program with hash -1263054184, occurence #1 [2025-01-24 02:35:17,827 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:17,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:17,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1538638691, now seen corresponding path program 8 times [2025-01-24 02:35:17,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:17,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680673091] [2025-01-24 02:35:17,828 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:35:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:17,840 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 91 statements into 2 equivalence classes. [2025-01-24 02:35:17,853 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 91 of 91 statements. [2025-01-24 02:35:17,853 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:35:17,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-01-24 02:35:17,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680673091] [2025-01-24 02:35:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680673091] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:35:17,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:35:17,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 02:35:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811123782] [2025-01-24 02:35:17,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:35:17,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:35:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:17,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:35:17,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:35:17,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:17,952 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:17,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:17,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:17,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:17,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:17,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:17,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:18,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-24 02:35:18,174 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:18,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:18,174 INFO L139 ounterexampleChecker]: Examining path program with hash -1263054184, occurence #2 [2025-01-24 02:35:18,174 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:18,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:18,174 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:18,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 02:35:18,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:18,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-24 02:35:18,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:18,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:35:18,174 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:18,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 02:35:18,175 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:18,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-01-24 02:35:18,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:18,190 INFO L85 PathProgramCache]: Analyzing trace with hash -772930387, now seen corresponding path program 1 times [2025-01-24 02:35:18,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:18,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491558019] [2025-01-24 02:35:18,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:18,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:18,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-24 02:35:18,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-24 02:35:18,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:18,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-24 02:35:18,401 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491558019] [2025-01-24 02:35:18,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491558019] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:18,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1710576427] [2025-01-24 02:35:18,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:18,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:18,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-24 02:35:18,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-24 02:35:18,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:18,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:18,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-24 02:35:18,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-01-24 02:35:18,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1710576427] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:18,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:18,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2025-01-24 02:35:18,725 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-01-24 02:35:18,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 02:35:18,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:18,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 02:35:18,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:18,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-24 02:35:18,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:18,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-24 02:35:18,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:18,726 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:18,726 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:18,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:18,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1491586529, now seen corresponding path program 9 times [2025-01-24 02:35:18,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:18,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916757555] [2025-01-24 02:35:18,726 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:35:18,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:18,738 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 84 statements into 5 equivalence classes. [2025-01-24 02:35:18,752 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 84 statements. [2025-01-24 02:35:18,752 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:35:18,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-24 02:35:19,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916757555] [2025-01-24 02:35:19,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916757555] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634291477] [2025-01-24 02:35:19,009 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:35:19,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:19,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:19,017 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:19,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-24 02:35:19,137 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 84 statements into 5 equivalence classes. [2025-01-24 02:35:19,169 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 84 statements. [2025-01-24 02:35:19,169 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:35:19,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:19,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-24 02:35:19,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-24 02:35:19,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-24 02:35:19,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634291477] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:19,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:19,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 26 [2025-01-24 02:35:19,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317469577] [2025-01-24 02:35:19,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:19,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-24 02:35:19,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:19,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-24 02:35:19,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2025-01-24 02:35:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:19,825 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:19,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.7407407407407405) internal successors, (128), 26 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:19,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:21,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:21,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:21,158 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 [2025-01-24 02:35:21,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:21,354 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:21,354 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:21,354 INFO L139 ounterexampleChecker]: Examining path program with hash -1308765831, occurence #1 [2025-01-24 02:35:21,354 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:21,354 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:21,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:21,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1938669326, now seen corresponding path program 10 times [2025-01-24 02:35:21,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:21,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809554496] [2025-01-24 02:35:21,354 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:35:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:21,386 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 311 statements into 2 equivalence classes. [2025-01-24 02:35:21,474 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 311 of 311 statements. [2025-01-24 02:35:21,475 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:35:21,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 153 proven. 75 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2025-01-24 02:35:22,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:22,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809554496] [2025-01-24 02:35:22,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809554496] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:22,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390019034] [2025-01-24 02:35:22,173 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:35:22,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:22,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:22,175 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:22,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-24 02:35:22,356 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 311 statements into 2 equivalence classes. [2025-01-24 02:35:22,486 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 311 of 311 statements. [2025-01-24 02:35:22,486 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:35:22,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:22,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-01-24 02:35:22,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:25,628 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 722 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-01-24 02:35:25,628 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:28,295 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-24 02:35:28,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-01-24 02:35:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 577 proven. 155 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-01-24 02:35:28,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390019034] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:28,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:28,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 36, 36] total 74 [2025-01-24 02:35:28,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124197562] [2025-01-24 02:35:28,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:28,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-01-24 02:35:28,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:28,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-01-24 02:35:28,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1910, Invalid=3492, Unknown=0, NotChecked=0, Total=5402 [2025-01-24 02:35:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:28,509 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:28,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 8.5) internal successors, (629), 74 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:28,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:28,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:28,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:29,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:29,174 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:29,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:29,175 INFO L139 ounterexampleChecker]: Examining path program with hash -816620697, occurence #1 [2025-01-24 02:35:29,175 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:29,175 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:29,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2123506069, now seen corresponding path program 11 times [2025-01-24 02:35:29,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:29,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238281645] [2025-01-24 02:35:29,175 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:35:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:29,219 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 209 statements into 6 equivalence classes. [2025-01-24 02:35:29,488 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 209 of 209 statements. [2025-01-24 02:35:29,488 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 02:35:29,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 97 proven. 120 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-24 02:35:30,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:30,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238281645] [2025-01-24 02:35:30,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238281645] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:30,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017955441] [2025-01-24 02:35:30,206 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:35:30,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:30,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:30,208 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:30,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-24 02:35:30,372 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 209 statements into 6 equivalence classes. [2025-01-24 02:35:31,956 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 209 of 209 statements. [2025-01-24 02:35:31,956 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 02:35:31,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:31,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-24 02:35:31,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 135 proven. 82 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-24 02:35:32,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 68 proven. 149 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-24 02:35:32,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017955441] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:32,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:32,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2025-01-24 02:35:32,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272339163] [2025-01-24 02:35:32,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:32,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-01-24 02:35:32,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:32,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-01-24 02:35:33,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=2122, Unknown=0, NotChecked=0, Total=2652 [2025-01-24 02:35:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:33,000 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:33,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 7.6923076923076925) internal successors, (400), 51 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:33,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:33,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:33,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:33,528 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:33,528 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:33,528 INFO L139 ounterexampleChecker]: Examining path program with hash -816620697, occurence #2 [2025-01-24 02:35:33,528 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:33,528 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:33,528 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:33,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:35:33,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:33,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 02:35:33,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:33,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 02:35:33,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:33,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:35:33,529 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:33,529 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-24 02:35:33,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:33,545 INFO L85 PathProgramCache]: Analyzing trace with hash -937785914, now seen corresponding path program 1 times [2025-01-24 02:35:33,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:33,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547925137] [2025-01-24 02:35:33,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:33,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:33,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-24 02:35:33,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-24 02:35:33,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:33,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 75 proven. 157 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:34,306 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:34,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547925137] [2025-01-24 02:35:34,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547925137] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:34,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [48187094] [2025-01-24 02:35:34,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:34,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:34,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-24 02:35:34,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-24 02:35:34,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:34,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:34,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-24 02:35:34,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 177 proven. 55 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [48187094] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:35,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:35,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2025-01-24 02:35:35,300 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:35,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-24 02:35:35,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:35,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-01-24 02:35:35,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:35,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-01-24 02:35:35,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:35,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-01-24 02:35:35,301 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:35,301 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-01-24 02:35:35,301 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:35,301 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:35,301 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:35,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:35,302 INFO L85 PathProgramCache]: Analyzing trace with hash -903614859, now seen corresponding path program 12 times [2025-01-24 02:35:35,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:35,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69566481] [2025-01-24 02:35:35,302 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:35:35,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:35,332 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 211 statements into 6 equivalence classes. [2025-01-24 02:35:35,586 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 189 of 211 statements. [2025-01-24 02:35:35,587 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-24 02:35:35,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:36,005 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-01-24 02:35:36,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:36,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69566481] [2025-01-24 02:35:36,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69566481] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:35:36,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:35:36,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-24 02:35:36,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590715724] [2025-01-24 02:35:36,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:35:36,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-24 02:35:36,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:36,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-24 02:35:36,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-24 02:35:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:36,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:36,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:36,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:36,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:36,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:36,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-01-24 02:35:36,275 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:36,275 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:36,275 INFO L139 ounterexampleChecker]: Examining path program with hash 1665522708, occurence #1 [2025-01-24 02:35:36,275 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:36,275 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:36,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:36,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1893490615, now seen corresponding path program 13 times [2025-01-24 02:35:36,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:36,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362462833] [2025-01-24 02:35:36,275 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:35:36,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:36,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-24 02:35:36,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-24 02:35:36,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:36,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:37,032 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 69 proven. 162 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-24 02:35:37,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:37,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362462833] [2025-01-24 02:35:37,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362462833] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:37,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114326506] [2025-01-24 02:35:37,032 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:35:37,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:37,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:37,034 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:37,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-24 02:35:37,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-01-24 02:35:37,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-01-24 02:35:37,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:37,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:37,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-24 02:35:37,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 193 proven. 55 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-24 02:35:38,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 123 proven. 125 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-24 02:35:38,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114326506] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:38,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:38,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 66 [2025-01-24 02:35:38,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123676347] [2025-01-24 02:35:38,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:38,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-01-24 02:35:38,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:38,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-01-24 02:35:38,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=3376, Unknown=0, NotChecked=0, Total=4290 [2025-01-24 02:35:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:38,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:38,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.575757575757576) internal successors, (434), 66 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:38,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:38,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:39,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:35:39,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:39,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-24 02:35:39,355 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:39,356 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:39,356 INFO L139 ounterexampleChecker]: Examining path program with hash 1665522708, occurence #2 [2025-01-24 02:35:39,356 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:39,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:39,356 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:39,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 02:35:39,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:39,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-24 02:35:39,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:39,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-01-24 02:35:39,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:39,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-24 02:35:39,356 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:39,356 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-01-24 02:35:39,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:39,372 INFO L85 PathProgramCache]: Analyzing trace with hash 542779936, now seen corresponding path program 1 times [2025-01-24 02:35:39,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:39,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253355223] [2025-01-24 02:35:39,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:39,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:39,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-24 02:35:39,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-24 02:35:39,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:39,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 128 proven. 128 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:35:40,150 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:40,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253355223] [2025-01-24 02:35:40,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253355223] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:40,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [853986697] [2025-01-24 02:35:40,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:40,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:40,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-01-24 02:35:40,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-01-24 02:35:40,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:40,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:40,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 02:35:40,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 190 proven. 66 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:35:41,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [853986697] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:41,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:41,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-01-24 02:35:41,025 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:41,025 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-01-24 02:35:41,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:41,068 INFO L85 PathProgramCache]: Analyzing trace with hash 696552346, now seen corresponding path program 1 times [2025-01-24 02:35:41,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:41,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954022106] [2025-01-24 02:35:41,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:41,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:41,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-24 02:35:41,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-24 02:35:41,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:41,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 75 proven. 171 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:41,780 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:41,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954022106] [2025-01-24 02:35:41,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954022106] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:41,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1828353429] [2025-01-24 02:35:41,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:41,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:41,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-24 02:35:41,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-24 02:35:41,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:41,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:41,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 02:35:41,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 180 proven. 66 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:42,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1828353429] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:42,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:42,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2025-01-24 02:35:42,510 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:42,510 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-24 02:35:42,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash -628505968, now seen corresponding path program 1 times [2025-01-24 02:35:42,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:42,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934118451] [2025-01-24 02:35:42,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:42,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-24 02:35:42,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-24 02:35:42,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:42,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 78 proven. 168 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:43,461 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:43,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934118451] [2025-01-24 02:35:43,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934118451] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:43,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1819781105] [2025-01-24 02:35:43,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:43,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:43,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-01-24 02:35:43,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-01-24 02:35:43,566 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:43,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:43,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 02:35:43,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 180 proven. 66 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:44,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1819781105] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:44,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:44,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-01-24 02:35:44,294 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:44,294 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-01-24 02:35:44,294 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:44,294 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:44,294 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:44,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:44,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1022148088, now seen corresponding path program 14 times [2025-01-24 02:35:44,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:44,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449075535] [2025-01-24 02:35:44,294 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:35:44,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:44,314 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-01-24 02:35:44,355 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-01-24 02:35:44,355 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:35:44,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 81 proven. 168 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:35:45,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:45,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449075535] [2025-01-24 02:35:45,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449075535] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:45,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984804481] [2025-01-24 02:35:45,072 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:35:45,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:45,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:45,074 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:45,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-24 02:35:45,287 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-01-24 02:35:45,372 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-01-24 02:35:45,373 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:35:45,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:45,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-24 02:35:45,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 194 proven. 66 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-24 02:35:46,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 132 proven. 128 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-01-24 02:35:46,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984804481] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:46,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:46,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2025-01-24 02:35:46,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635069231] [2025-01-24 02:35:46,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:46,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-24 02:35:46,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:46,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-24 02:35:46,851 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=4031, Unknown=0, NotChecked=0, Total=5112 [2025-01-24 02:35:46,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:46,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:46,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.375) internal successors, (459), 72 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:35:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:47,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:35:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:47,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-24 02:35:47,315 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,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-01-24 02:35:47,315 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:47,315 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:47,315 INFO L139 ounterexampleChecker]: Examining path program with hash 1665522708, occurence #3 [2025-01-24 02:35:47,315 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:35:47,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:35:47,315 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:35:47,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-24 02:35:47,315 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:47,315 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 02:35:47,315 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:47,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:35:47,316 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:47,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-24 02:35:47,316 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:47,316 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-01-24 02:35:47,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash -804319240, now seen corresponding path program 1 times [2025-01-24 02:35:47,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:47,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793321066] [2025-01-24 02:35:47,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:47,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:47,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-24 02:35:47,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-24 02:35:47,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:47,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:48,049 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 19 proven. 95 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-01-24 02:35:48,050 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:48,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793321066] [2025-01-24 02:35:48,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793321066] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:48,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1995045601] [2025-01-24 02:35:48,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:48,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:48,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-01-24 02:35:48,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-01-24 02:35:48,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:48,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:48,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-24 02:35:48,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 2 proven. 188 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-24 02:35:49,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1995045601] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:49,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:49,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 24] total 36 [2025-01-24 02:35:49,091 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:49,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-24 02:35:49,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:49,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1364324148, now seen corresponding path program 1 times [2025-01-24 02:35:49,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:49,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736212798] [2025-01-24 02:35:49,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:49,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:49,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-24 02:35:49,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-24 02:35:49,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:49,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 131 proven. 140 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:35:50,015 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:50,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736212798] [2025-01-24 02:35:50,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736212798] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:50,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [699173003] [2025-01-24 02:35:50,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:50,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:50,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-01-24 02:35:50,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-01-24 02:35:50,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:50,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:50,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 02:35:50,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:50,853 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 190 proven. 81 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:35:50,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [699173003] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:50,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:50,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2025-01-24 02:35:50,854 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:50,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-01-24 02:35:50,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:50,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1150060010, now seen corresponding path program 1 times [2025-01-24 02:35:50,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:35:50,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839956185] [2025-01-24 02:35:50,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:50,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-01-24 02:35:50,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-01-24 02:35:50,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:50,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 131 proven. 140 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:35:51,685 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:35:51,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839956185] [2025-01-24 02:35:51,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839956185] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:51,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [557760340] [2025-01-24 02:35:51,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:35:51,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:51,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-01-24 02:35:51,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-01-24 02:35:51,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:35:51,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:51,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 02:35:51,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:52,597 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 193 proven. 78 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-01-24 02:35:52,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [557760340] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:52,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:35:52,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-24 02:35:52,598 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:35:52,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-01-24 02:35:52,598 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:35:52,598 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:35:52,598 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:52,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:52,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1212634665, now seen corresponding path program 15 times [2025-01-24 02:35:52,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:52,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279313005] [2025-01-24 02:35:52,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:35:52,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:52,622 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 7 equivalence classes. [2025-01-24 02:35:52,784 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 202 of 204 statements. [2025-01-24 02:35:52,785 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 02:35:52,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:53,681 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-01-24 02:35:53,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279313005] [2025-01-24 02:35:53,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279313005] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:35:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281217064] [2025-01-24 02:35:53,681 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:35:53,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:35:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:35:53,684 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:35:53,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-24 02:35:53,932 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 7 equivalence classes. [2025-01-24 02:35:54,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 202 of 204 statements. [2025-01-24 02:35:54,771 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-24 02:35:54,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:54,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-24 02:35:54,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:35:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 5 proven. 190 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-24 02:35:55,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:35:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 5 proven. 190 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-01-24 02:35:56,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281217064] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:35:56,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:35:56,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 28, 29] total 67 [2025-01-24 02:35:56,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285041097] [2025-01-24 02:35:56,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:35:56,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2025-01-24 02:35:56,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:56,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2025-01-24 02:35:56,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1006, Invalid=3550, Unknown=0, NotChecked=0, Total=4556 [2025-01-24 02:35:56,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:56,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:56,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.294117647058823) internal successors, (428), 67 states have internal predecessors, (428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:56,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:58,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:35:58,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:35:58,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-24 02:35:58,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable45,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-01-24 02:35:58,997 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:35:58,997 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:35:58,998 INFO L139 ounterexampleChecker]: Examining path program with hash -188968958, occurence #1 [2025-01-24 02:35:58,998 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:35:58,998 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:35:58,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:35:58,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1354932692, now seen corresponding path program 16 times [2025-01-24 02:35:58,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:35:58,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82513127] [2025-01-24 02:35:58,998 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:35:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:35:59,020 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 175 statements into 2 equivalence classes. [2025-01-24 02:35:59,084 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 175 of 175 statements. [2025-01-24 02:35:59,085 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:35:59,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:35:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2025-01-24 02:35:59,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:35:59,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82513127] [2025-01-24 02:35:59,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82513127] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:35:59,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:35:59,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-24 02:35:59,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388483743] [2025-01-24 02:35:59,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:35:59,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:35:59,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:35:59,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:35:59,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-24 02:35:59,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:35:59,379 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:35:59,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:35:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-01-24 02:35:59,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:14,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:14,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:14,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-01-24 02:36:14,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:14,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-01-24 02:36:14,208 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:36:14,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:36:14,208 INFO L139 ounterexampleChecker]: Examining path program with hash 1520571140, occurence #1 [2025-01-24 02:36:14,208 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:36:14,208 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:36:14,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:14,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2139598166, now seen corresponding path program 17 times [2025-01-24 02:36:14,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:36:14,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919419659] [2025-01-24 02:36:14,209 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:36:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:14,238 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 320 statements into 10 equivalence classes. [2025-01-24 02:36:14,662 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 320 of 320 statements. [2025-01-24 02:36:14,662 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-24 02:36:14,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 370 proven. 451 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-24 02:36:16,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:36:16,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919419659] [2025-01-24 02:36:16,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919419659] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:16,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719452168] [2025-01-24 02:36:16,462 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:36:16,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:36:16,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:36:16,465 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:36:16,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-24 02:36:16,764 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 320 statements into 10 equivalence classes. [2025-01-24 02:36:24,604 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 320 of 320 statements. [2025-01-24 02:36:24,604 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-24 02:36:24,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:24,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-01-24 02:36:24,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 720 proven. 45 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-24 02:36:25,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:36:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 574 proven. 191 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-24 02:36:26,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719452168] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:36:26,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:36:26,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25, 25] total 79 [2025-01-24 02:36:26,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044601673] [2025-01-24 02:36:26,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:36:26,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-01-24 02:36:26,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:36:26,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-01-24 02:36:26,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1414, Invalid=4906, Unknown=0, NotChecked=0, Total=6320 [2025-01-24 02:36:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:26,254 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:36:26,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 7.9375) internal successors, (635), 79 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:26,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:26,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-01-24 02:36:26,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:26,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:36:26,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-24 02:36:27,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:36:27,120 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:36:27,120 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:36:27,121 INFO L139 ounterexampleChecker]: Examining path program with hash 1520571140, occurence #2 [2025-01-24 02:36:27,121 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:36:27,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-24 02:36:27,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-24 02:36:27,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 02:36:27,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-24 02:36:27,121 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2025-01-24 02:36:27,121 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:36:27,121 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-01-24 02:36:27,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:27,140 INFO L85 PathProgramCache]: Analyzing trace with hash 437518794, now seen corresponding path program 1 times [2025-01-24 02:36:27,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:27,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813291978] [2025-01-24 02:36:27,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:27,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:27,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-01-24 02:36:27,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-01-24 02:36:27,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:27,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 405 proven. 354 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-01-24 02:36:28,370 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:36:28,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813291978] [2025-01-24 02:36:28,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813291978] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:28,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [903894715] [2025-01-24 02:36:28,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:28,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:28,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-01-24 02:36:28,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-01-24 02:36:28,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:28,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:28,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 02:36:28,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 681 proven. 78 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-01-24 02:36:29,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [903894715] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:29,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:36:29,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-24 02:36:29,494 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:36:29,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2025-01-24 02:36:29,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:29,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1998339435, now seen corresponding path program 1 times [2025-01-24 02:36:29,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:29,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536075148] [2025-01-24 02:36:29,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:29,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-01-24 02:36:29,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-01-24 02:36:29,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:29,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 405 proven. 354 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-01-24 02:36:30,805 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:36:30,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536075148] [2025-01-24 02:36:30,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536075148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:30,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [423335271] [2025-01-24 02:36:30,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:30,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:30,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-01-24 02:36:30,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-01-24 02:36:30,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:30,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:30,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 02:36:30,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 681 proven. 78 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-01-24 02:36:31,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [423335271] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:31,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:36:31,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-24 02:36:31,853 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:36:31,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2025-01-24 02:36:31,853 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:36:31,853 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 310 [2025-01-24 02:36:31,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:31,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1581483293, now seen corresponding path program 1 times [2025-01-24 02:36:31,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:31,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55861595] [2025-01-24 02:36:31,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:31,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:31,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 311 statements into 1 equivalence classes. [2025-01-24 02:36:31,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 311 of 311 statements. [2025-01-24 02:36:31,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:31,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 405 proven. 354 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-01-24 02:36:33,300 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:36:33,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55861595] [2025-01-24 02:36:33,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55861595] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:33,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [565569867] [2025-01-24 02:36:33,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:33,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:33,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 311 statements into 1 equivalence classes. [2025-01-24 02:36:33,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 311 of 311 statements. [2025-01-24 02:36:33,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:33,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:33,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 02:36:33,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 681 proven. 78 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-01-24 02:36:34,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [565569867] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:34,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:36:34,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-01-24 02:36:34,247 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:36:34,247 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-01-24 02:36:34,247 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:34,247 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:36:34,248 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:36:34,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1800247759, now seen corresponding path program 18 times [2025-01-24 02:36:34,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:36:34,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106677527] [2025-01-24 02:36:34,248 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:36:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:34,277 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 325 statements into 10 equivalence classes. [2025-01-24 02:36:34,357 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 161 of 325 statements. [2025-01-24 02:36:34,357 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-24 02:36:34,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2025-01-24 02:36:34,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:36:34,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106677527] [2025-01-24 02:36:34,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106677527] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:36:34,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:36:34,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-24 02:36:34,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140500263] [2025-01-24 02:36:34,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:36:34,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-24 02:36:34,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:36:34,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-24 02:36:34,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-24 02:36:34,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:34,607 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:36:34,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:36:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:34,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:36:34,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:36:38,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:38,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-01-24 02:36:38,084 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:36:38,084 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:36:38,085 INFO L139 ounterexampleChecker]: Examining path program with hash 309152698, occurence #1 [2025-01-24 02:36:38,085 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:36:38,085 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:36:38,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:38,086 INFO L85 PathProgramCache]: Analyzing trace with hash 366496970, now seen corresponding path program 19 times [2025-01-24 02:36:38,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:36:38,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940561832] [2025-01-24 02:36:38,086 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:36:38,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:38,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 739 statements into 1 equivalence classes. [2025-01-24 02:36:38,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 739 of 739 statements. [2025-01-24 02:36:38,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:38,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4598 backedges. 83 proven. 582 refuted. 0 times theorem prover too weak. 3933 trivial. 0 not checked. [2025-01-24 02:36:41,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:36:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940561832] [2025-01-24 02:36:41,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940561832] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:41,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121789697] [2025-01-24 02:36:41,205 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:36:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:36:41,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:36:41,207 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:36:41,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-24 02:36:41,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 739 statements into 1 equivalence classes. [2025-01-24 02:36:41,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 739 of 739 statements. [2025-01-24 02:36:41,901 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:41,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:41,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 2846 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-24 02:36:41,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4598 backedges. 2554 proven. 78 refuted. 0 times theorem prover too weak. 1966 trivial. 0 not checked. [2025-01-24 02:36:42,815 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:36:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4598 backedges. 2359 proven. 273 refuted. 0 times theorem prover too weak. 1966 trivial. 0 not checked. [2025-01-24 02:36:43,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121789697] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:36:43,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:36:43,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 78 [2025-01-24 02:36:43,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748477685] [2025-01-24 02:36:43,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:36:43,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2025-01-24 02:36:43,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:36:43,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2025-01-24 02:36:43,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1262, Invalid=4744, Unknown=0, NotChecked=0, Total=6006 [2025-01-24 02:36:43,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:43,669 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:36:43,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.833333333333333) internal successors, (533), 78 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:43,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:36:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:36:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:43,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:44,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:36:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:36:44,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:36:44,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-24 02:36:44,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2025-01-24 02:36:44,985 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:36:44,985 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:36:44,985 INFO L139 ounterexampleChecker]: Examining path program with hash 309152698, occurence #2 [2025-01-24 02:36:44,986 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:36:44,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:36:44,986 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:36:44,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 02:36:44,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:44,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:36:44,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:44,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 02:36:44,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:44,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-24 02:36:44,986 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:36:44,986 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-01-24 02:36:45,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:45,053 INFO L85 PathProgramCache]: Analyzing trace with hash 691452501, now seen corresponding path program 1 times [2025-01-24 02:36:45,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:45,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828151901] [2025-01-24 02:36:45,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:45,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-01-24 02:36:45,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-01-24 02:36:45,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:45,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 386 proven. 1896 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-01-24 02:36:47,461 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:36:47,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828151901] [2025-01-24 02:36:47,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828151901] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:47,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [488909859] [2025-01-24 02:36:47,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:47,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:47,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-01-24 02:36:47,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-01-24 02:36:47,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:47,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:47,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:36:47,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 2177 proven. 105 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-01-24 02:36:49,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [488909859] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:49,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:36:49,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2025-01-24 02:36:49,100 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:36:49,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-01-24 02:36:49,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:49,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1235239470, now seen corresponding path program 1 times [2025-01-24 02:36:49,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:49,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530709215] [2025-01-24 02:36:49,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:49,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:49,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-01-24 02:36:49,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-01-24 02:36:49,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:49,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 386 proven. 1896 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-01-24 02:36:51,483 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:36:51,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530709215] [2025-01-24 02:36:51,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530709215] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:51,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [487886047] [2025-01-24 02:36:51,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:51,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:51,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-01-24 02:36:51,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-01-24 02:36:51,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:51,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:51,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:36:51,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 2177 proven. 105 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-01-24 02:36:53,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [487886047] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:53,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:36:53,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2025-01-24 02:36:53,140 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:36:53,140 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 541 [2025-01-24 02:36:53,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:53,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1146049701, now seen corresponding path program 1 times [2025-01-24 02:36:53,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:53,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312800942] [2025-01-24 02:36:53,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:53,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:53,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 542 statements into 1 equivalence classes. [2025-01-24 02:36:53,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 542 of 542 statements. [2025-01-24 02:36:53,492 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:53,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 392 proven. 1896 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-01-24 02:36:55,665 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:36:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312800942] [2025-01-24 02:36:55,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312800942] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [264025599] [2025-01-24 02:36:55,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:55,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:55,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 542 statements into 1 equivalence classes. [2025-01-24 02:36:55,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 542 of 542 statements. [2025-01-24 02:36:55,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:55,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:36:55,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:36:55,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:36:57,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 2183 proven. 105 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-01-24 02:36:57,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [264025599] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:36:57,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:36:57,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2025-01-24 02:36:57,188 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:36:57,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2025-01-24 02:36:57,188 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:36:57,188 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 615 is hopeless, skipping. [2025-01-24 02:36:57,188 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 617 is hopeless, skipping. [2025-01-24 02:36:57,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 631 [2025-01-24 02:36:57,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:36:57,225 INFO L85 PathProgramCache]: Analyzing trace with hash -504336133, now seen corresponding path program 1 times [2025-01-24 02:36:57,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:36:57,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71715786] [2025-01-24 02:36:57,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:36:57,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:36:57,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 632 statements into 1 equivalence classes. [2025-01-24 02:36:57,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 632 of 632 statements. [2025-01-24 02:36:57,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:36:57,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:00,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4499 backedges. 149 proven. 1367 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2025-01-24 02:37:00,266 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:00,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71715786] [2025-01-24 02:37:00,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71715786] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:00,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1266419291] [2025-01-24 02:37:00,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:00,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:00,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 632 statements into 1 equivalence classes. [2025-01-24 02:37:00,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 632 of 632 statements. [2025-01-24 02:37:00,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:00,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:00,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-24 02:37:00,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4499 backedges. 1425 proven. 91 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2025-01-24 02:37:02,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1266419291] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:02,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:02,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-01-24 02:37:02,096 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:02,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 706 [2025-01-24 02:37:02,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash 550444053, now seen corresponding path program 1 times [2025-01-24 02:37:02,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:02,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658688348] [2025-01-24 02:37:02,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:02,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 707 statements into 1 equivalence classes. [2025-01-24 02:37:02,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 707 of 707 statements. [2025-01-24 02:37:02,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:02,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4591 backedges. 86 proven. 613 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2025-01-24 02:37:05,325 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:05,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658688348] [2025-01-24 02:37:05,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658688348] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:05,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [893831238] [2025-01-24 02:37:05,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:05,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 707 statements into 1 equivalence classes. [2025-01-24 02:37:05,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 707 of 707 statements. [2025-01-24 02:37:05,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:05,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:05,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 2741 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-24 02:37:05,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:07,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4591 backedges. 608 proven. 91 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2025-01-24 02:37:07,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [893831238] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:07,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:07,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-01-24 02:37:07,151 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:07,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-01-24 02:37:07,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1023093139, now seen corresponding path program 1 times [2025-01-24 02:37:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:07,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829113980] [2025-01-24 02:37:07,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:07,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 718 statements into 1 equivalence classes. [2025-01-24 02:37:07,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 718 of 718 statements. [2025-01-24 02:37:07,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:07,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4592 backedges. 86 proven. 613 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2025-01-24 02:37:10,434 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829113980] [2025-01-24 02:37:10,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829113980] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:10,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1926977213] [2025-01-24 02:37:10,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:10,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:10,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 718 statements into 1 equivalence classes. [2025-01-24 02:37:10,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 718 of 718 statements. [2025-01-24 02:37:10,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:10,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:10,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 2780 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-24 02:37:10,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4592 backedges. 608 proven. 91 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2025-01-24 02:37:12,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1926977213] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:12,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:12,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-01-24 02:37:12,230 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:12,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 724 [2025-01-24 02:37:12,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:12,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 728 [2025-01-24 02:37:12,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:12,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-01-24 02:37:12,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:12,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2025-01-24 02:37:12,230 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:37:12,230 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:37:12,230 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:37:12,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:12,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1363136951, now seen corresponding path program 20 times [2025-01-24 02:37:12,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:37:12,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967153491] [2025-01-24 02:37:12,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:37:12,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:12,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 740 statements into 2 equivalence classes. [2025-01-24 02:37:12,871 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 740 of 740 statements. [2025-01-24 02:37:12,871 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:37:12,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4611 backedges. 99 proven. 625 refuted. 0 times theorem prover too weak. 3887 trivial. 0 not checked. [2025-01-24 02:37:16,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:37:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967153491] [2025-01-24 02:37:16,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967153491] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688994242] [2025-01-24 02:37:16,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:37:16,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:37:16,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:37:16,080 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:37:16,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-24 02:37:16,648 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 740 statements into 2 equivalence classes. [2025-01-24 02:37:16,921 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 740 of 740 statements. [2025-01-24 02:37:16,921 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:37:16,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:16,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-01-24 02:37:16,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4611 backedges. 2575 proven. 91 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2025-01-24 02:37:18,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:37:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4611 backedges. 2461 proven. 205 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2025-01-24 02:37:19,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688994242] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:37:19,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:37:19,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 88 [2025-01-24 02:37:19,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526070821] [2025-01-24 02:37:19,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:37:19,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-01-24 02:37:19,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:37:19,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-01-24 02:37:19,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=6542, Unknown=0, NotChecked=0, Total=7656 [2025-01-24 02:37:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:37:19,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:37:19,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.988636363636363) internal successors, (615), 88 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:19,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:37:19,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:37:19,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:37:19,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:19,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:37:19,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:37:20,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:37:20,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:37:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:37:20,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 02:37:20,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-24 02:37:20,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable62,SelfDestructingSolverStorable73,SelfDestructingSolverStorable63,SelfDestructingSolverStorable74,SelfDestructingSolverStorable64,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2025-01-24 02:37:20,305 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:37:20,305 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:37:20,306 INFO L139 ounterexampleChecker]: Examining path program with hash 309152698, occurence #3 [2025-01-24 02:37:20,306 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:37:20,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:37:20,306 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:20,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:37:20,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:37:20,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-24 02:37:20,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:37:20,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-24 02:37:20,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:37:20,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-24 02:37:20,306 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:37:20,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-01-24 02:37:20,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:20,359 INFO L85 PathProgramCache]: Analyzing trace with hash 256897055, now seen corresponding path program 1 times [2025-01-24 02:37:20,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:20,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811720118] [2025-01-24 02:37:20,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:20,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:20,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-01-24 02:37:20,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-01-24 02:37:20,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:20,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:22,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 496 proven. 2005 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-01-24 02:37:22,883 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811720118] [2025-01-24 02:37:22,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811720118] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:22,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [803034321] [2025-01-24 02:37:22,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:22,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:22,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-01-24 02:37:23,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-01-24 02:37:23,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:23,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:23,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-24 02:37:23,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 2381 proven. 120 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-01-24 02:37:24,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [803034321] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:24,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:24,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2025-01-24 02:37:24,541 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:24,541 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-01-24 02:37:24,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:24,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2063754652, now seen corresponding path program 1 times [2025-01-24 02:37:24,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:24,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665149116] [2025-01-24 02:37:24,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:24,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:24,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 537 statements into 1 equivalence classes. [2025-01-24 02:37:24,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 537 of 537 statements. [2025-01-24 02:37:24,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:24,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 496 proven. 2005 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-01-24 02:37:27,191 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:27,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665149116] [2025-01-24 02:37:27,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665149116] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:27,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1849902195] [2025-01-24 02:37:27,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:27,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 537 statements into 1 equivalence classes. [2025-01-24 02:37:27,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 537 of 537 statements. [2025-01-24 02:37:27,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:27,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:27,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-24 02:37:27,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 2381 proven. 120 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-01-24 02:37:28,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1849902195] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:28,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:28,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2025-01-24 02:37:28,831 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:28,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-01-24 02:37:28,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:28,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1793877173, now seen corresponding path program 1 times [2025-01-24 02:37:28,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:28,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136971280] [2025-01-24 02:37:28,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:28,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:28,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 544 statements into 1 equivalence classes. [2025-01-24 02:37:29,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 544 of 544 statements. [2025-01-24 02:37:29,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:29,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:31,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 502 proven. 2005 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-01-24 02:37:31,301 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:31,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136971280] [2025-01-24 02:37:31,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136971280] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:31,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [364186392] [2025-01-24 02:37:31,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:31,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:31,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 544 statements into 1 equivalence classes. [2025-01-24 02:37:31,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 544 of 544 statements. [2025-01-24 02:37:31,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:31,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:31,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-24 02:37:31,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:32,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2387 proven. 120 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-01-24 02:37:32,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [364186392] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:32,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:32,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2025-01-24 02:37:32,750 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:32,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-01-24 02:37:32,750 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:32,751 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 617 is hopeless, skipping. [2025-01-24 02:37:32,751 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 619 is hopeless, skipping. [2025-01-24 02:37:32,751 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 633 [2025-01-24 02:37:32,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash -835362731, now seen corresponding path program 1 times [2025-01-24 02:37:32,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:32,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790152770] [2025-01-24 02:37:32,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:32,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 634 statements into 1 equivalence classes. [2025-01-24 02:37:33,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 634 of 634 statements. [2025-01-24 02:37:33,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:33,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4528 backedges. 181 proven. 1511 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2025-01-24 02:37:35,789 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:35,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790152770] [2025-01-24 02:37:35,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790152770] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:35,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2108466726] [2025-01-24 02:37:35,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:35,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 634 statements into 1 equivalence classes. [2025-01-24 02:37:36,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 634 of 634 statements. [2025-01-24 02:37:36,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:36,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:36,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:37:36,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4528 backedges. 1587 proven. 105 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2025-01-24 02:37:37,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2108466726] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:37,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:37,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-01-24 02:37:37,431 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:37,431 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 708 [2025-01-24 02:37:37,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:37,460 INFO L85 PathProgramCache]: Analyzing trace with hash -68448289, now seen corresponding path program 1 times [2025-01-24 02:37:37,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:37,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436154617] [2025-01-24 02:37:37,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:37,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:37,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 709 statements into 1 equivalence classes. [2025-01-24 02:37:37,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 709 of 709 statements. [2025-01-24 02:37:37,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:37,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:40,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 3902 trivial. 0 not checked. [2025-01-24 02:37:40,837 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:40,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436154617] [2025-01-24 02:37:40,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436154617] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:40,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [948631429] [2025-01-24 02:37:40,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:40,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:40,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 709 statements into 1 equivalence classes. [2025-01-24 02:37:41,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 709 of 709 statements. [2025-01-24 02:37:41,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:41,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:41,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 2759 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:37:41,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 3902 trivial. 0 not checked. [2025-01-24 02:37:42,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [948631429] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:42,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:42,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-01-24 02:37:42,815 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:42,815 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2025-01-24 02:37:42,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:42,831 INFO L85 PathProgramCache]: Analyzing trace with hash -313019667, now seen corresponding path program 1 times [2025-01-24 02:37:42,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:37:42,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596182415] [2025-01-24 02:37:42,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:42,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:42,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 720 statements into 1 equivalence classes. [2025-01-24 02:37:43,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 720 of 720 statements. [2025-01-24 02:37:43,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:43,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4621 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 3903 trivial. 0 not checked. [2025-01-24 02:37:46,293 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:37:46,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596182415] [2025-01-24 02:37:46,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596182415] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [293643406] [2025-01-24 02:37:46,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:37:46,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:46,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 720 statements into 1 equivalence classes. [2025-01-24 02:37:46,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 720 of 720 statements. [2025-01-24 02:37:46,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:37:46,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:46,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:37:46,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:48,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4621 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 3903 trivial. 0 not checked. [2025-01-24 02:37:48,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [293643406] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:48,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:48,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-01-24 02:37:48,045 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:37:48,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 726 [2025-01-24 02:37:48,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:48,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 730 [2025-01-24 02:37:48,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2025-01-24 02:37:48,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:37:48,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-01-24 02:37:48,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:37:48,046 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:37:48,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:37:48,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash -619507311, now seen corresponding path program 21 times [2025-01-24 02:37:48,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:37:48,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399724222] [2025-01-24 02:37:48,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:37:48,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:48,110 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 742 statements into 23 equivalence classes. [2025-01-24 02:37:48,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 128 of 742 statements. [2025-01-24 02:37:48,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:37:48,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4635 trivial. 0 not checked. [2025-01-24 02:37:48,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:37:48,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399724222] [2025-01-24 02:37:48,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399724222] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:48,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788343389] [2025-01-24 02:37:48,393 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:37:48,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:37:48,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:37:48,395 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:37:48,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-24 02:37:49,105 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 742 statements into 23 equivalence classes. [2025-01-24 02:37:49,161 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 128 of 742 statements. [2025-01-24 02:37:49,162 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:37:49,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:49,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-24 02:37:49,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:37:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 4577 trivial. 0 not checked. [2025-01-24 02:37:50,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:37:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4633 trivial. 0 not checked. [2025-01-24 02:37:50,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788343389] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:50,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:37:50,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 14] total 22 [2025-01-24 02:37:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134917150] [2025-01-24 02:37:50,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:37:50,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-24 02:37:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:37:50,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-24 02:37:50,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-01-24 02:37:50,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:37:50,548 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:37:50,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:50,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 02:37:50,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:37:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 02:37:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:37:51,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-24 02:37:51,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable75,SelfDestructingSolverStorable86,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76,SelfDestructingSolverStorable87,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2025-01-24 02:37:51,693 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:37:51,693 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:37:51,694 INFO L139 ounterexampleChecker]: Examining path program with hash -1735885759, occurence #1 [2025-01-24 02:37:51,694 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:37:51,694 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:37:51,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:37:51,695 INFO L85 PathProgramCache]: Analyzing trace with hash 488150874, now seen corresponding path program 22 times [2025-01-24 02:37:51,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:37:51,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245695698] [2025-01-24 02:37:51,695 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:37:51,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:37:51,756 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 730 statements into 2 equivalence classes. [2025-01-24 02:37:52,176 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 730 of 730 statements. [2025-01-24 02:37:52,176 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:37:52,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:37:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 4333 proven. 165 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-01-24 02:37:58,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:37:58,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245695698] [2025-01-24 02:37:58,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245695698] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:37:58,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709533387] [2025-01-24 02:37:58,963 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:37:58,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:37:58,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:37:58,965 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:37:58,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-24 02:37:59,703 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 730 statements into 2 equivalence classes. [2025-01-24 02:38:00,019 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 730 of 730 statements. [2025-01-24 02:38:00,019 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:38:00,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:00,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 2843 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-01-24 02:38:00,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 4271 proven. 120 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2025-01-24 02:38:06,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:38:11,053 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-24 02:38:11,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-01-24 02:38:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 4134 proven. 257 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2025-01-24 02:38:12,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709533387] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:38:12,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:38:12,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 51, 51] total 164 [2025-01-24 02:38:12,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887409513] [2025-01-24 02:38:12,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:38:12,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2025-01-24 02:38:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:38:12,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2025-01-24 02:38:12,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7058, Invalid=20002, Unknown=0, NotChecked=0, Total=27060 [2025-01-24 02:38:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:38:12,197 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:38:12,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 9.363636363636363) internal successors, (1545), 164 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:38:12,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:38:13,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-24 02:38:13,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-24 02:38:13,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-24 02:38:13,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:38:13,288 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-24 02:38:13,288 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:38:13,289 INFO L139 ounterexampleChecker]: Examining path program with hash -1735885759, occurence #2 [2025-01-24 02:38:13,289 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:38:13,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-24 02:38:13,289 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:38:13,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-24 02:38:13,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:38:13,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 02:38:13,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:38:13,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-24 02:38:13,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:38:13,289 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-24 02:38:13,289 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:38:13,290 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-01-24 02:38:13,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:13,346 INFO L85 PathProgramCache]: Analyzing trace with hash 954209888, now seen corresponding path program 1 times [2025-01-24 02:38:13,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:38:13,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591041986] [2025-01-24 02:38:13,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:13,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:13,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 552 statements into 1 equivalence classes. [2025-01-24 02:38:13,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 552 of 552 statements. [2025-01-24 02:38:13,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:13,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 2957 proven. 1313 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-24 02:38:18,384 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:38:18,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591041986] [2025-01-24 02:38:18,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591041986] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:18,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [548406552] [2025-01-24 02:38:18,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:18,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:18,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 552 statements into 1 equivalence classes. [2025-01-24 02:38:18,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 552 of 552 statements. [2025-01-24 02:38:18,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:18,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:18,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-01-24 02:38:18,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 3742 proven. 528 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-24 02:38:22,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [548406552] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:22,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:38:22,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 131 [2025-01-24 02:38:22,662 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:38:22,662 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2025-01-24 02:38:22,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:22,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2128503267, now seen corresponding path program 1 times [2025-01-24 02:38:22,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:38:22,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066862752] [2025-01-24 02:38:22,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:22,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:22,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 554 statements into 1 equivalence classes. [2025-01-24 02:38:23,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 554 of 554 statements. [2025-01-24 02:38:23,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:23,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 2957 proven. 1313 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-24 02:38:27,837 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:38:27,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066862752] [2025-01-24 02:38:27,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066862752] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:27,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1974022861] [2025-01-24 02:38:27,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:27,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:27,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 554 statements into 1 equivalence classes. [2025-01-24 02:38:28,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 554 of 554 statements. [2025-01-24 02:38:28,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:28,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:28,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-01-24 02:38:28,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 3742 proven. 528 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-24 02:38:32,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1974022861] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:32,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:38:32,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 132 [2025-01-24 02:38:32,562 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:38:32,563 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-01-24 02:38:32,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:32,592 INFO L85 PathProgramCache]: Analyzing trace with hash 559364744, now seen corresponding path program 1 times [2025-01-24 02:38:32,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:38:32,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111271672] [2025-01-24 02:38:32,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:32,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:32,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 561 statements into 1 equivalence classes. [2025-01-24 02:38:32,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 561 of 561 statements. [2025-01-24 02:38:32,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:32,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 2963 proven. 1313 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-24 02:38:38,018 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:38:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111271672] [2025-01-24 02:38:38,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111271672] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [304770133] [2025-01-24 02:38:38,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:38,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:38,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 561 statements into 1 equivalence classes. [2025-01-24 02:38:38,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 561 of 561 statements. [2025-01-24 02:38:38,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:38,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:38,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 2318 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-01-24 02:38:38,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 3748 proven. 528 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-24 02:38:42,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [304770133] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:42,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:38:42,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 132 [2025-01-24 02:38:42,427 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:38:42,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 632 [2025-01-24 02:38:42,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:38:42,427 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 634 is hopeless, skipping. [2025-01-24 02:38:42,427 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 636 is hopeless, skipping. [2025-01-24 02:38:42,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 650 [2025-01-24 02:38:42,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1017432296, now seen corresponding path program 1 times [2025-01-24 02:38:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:38:42,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474505966] [2025-01-24 02:38:42,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:42,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 651 statements into 1 equivalence classes. [2025-01-24 02:38:42,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 651 of 651 statements. [2025-01-24 02:38:42,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:42,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4936 backedges. 181 proven. 1511 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2025-01-24 02:38:45,597 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:38:45,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474505966] [2025-01-24 02:38:45,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474505966] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:45,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1835808573] [2025-01-24 02:38:45,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:45,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:45,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 651 statements into 1 equivalence classes. [2025-01-24 02:38:45,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 651 of 651 statements. [2025-01-24 02:38:45,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:45,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:46,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:38:46,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:47,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4936 backedges. 1587 proven. 105 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2025-01-24 02:38:47,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1835808573] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:47,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:38:47,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-01-24 02:38:47,451 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:38:47,451 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 725 [2025-01-24 02:38:47,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:47,478 INFO L85 PathProgramCache]: Analyzing trace with hash 562010592, now seen corresponding path program 1 times [2025-01-24 02:38:47,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:38:47,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519733884] [2025-01-24 02:38:47,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:47,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:47,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 726 statements into 1 equivalence classes. [2025-01-24 02:38:47,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 726 of 726 statements. [2025-01-24 02:38:47,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:47,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 4310 trivial. 0 not checked. [2025-01-24 02:38:50,966 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:38:50,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519733884] [2025-01-24 02:38:50,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519733884] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:50,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1357429570] [2025-01-24 02:38:50,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:50,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:51,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 726 statements into 1 equivalence classes. [2025-01-24 02:38:51,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 726 of 726 statements. [2025-01-24 02:38:51,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:51,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:51,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 2912 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:38:51,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 4310 trivial. 0 not checked. [2025-01-24 02:38:52,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1357429570] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:52,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:38:52,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-01-24 02:38:52,974 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:38:52,974 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-01-24 02:38:52,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:52,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1935688384, now seen corresponding path program 1 times [2025-01-24 02:38:52,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:38:52,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561038909] [2025-01-24 02:38:52,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:52,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:53,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 737 statements into 1 equivalence classes. [2025-01-24 02:38:53,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 737 of 737 statements. [2025-01-24 02:38:53,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:53,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5029 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 4311 trivial. 0 not checked. [2025-01-24 02:38:56,556 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:38:56,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561038909] [2025-01-24 02:38:56,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561038909] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:56,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [950034136] [2025-01-24 02:38:56,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:38:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:56,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 737 statements into 1 equivalence classes. [2025-01-24 02:38:57,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 737 of 737 statements. [2025-01-24 02:38:57,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:38:57,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:38:57,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 2951 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-24 02:38:57,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:38:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5029 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 4311 trivial. 0 not checked. [2025-01-24 02:38:58,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [950034136] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:38:58,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:38:58,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-01-24 02:38:58,350 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:38:58,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 741 [2025-01-24 02:38:58,351 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:38:58,351 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:38:58,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:38:58,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:38:58,351 INFO L85 PathProgramCache]: Analyzing trace with hash 306156499, now seen corresponding path program 23 times [2025-01-24 02:38:58,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:38:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093357757] [2025-01-24 02:38:58,352 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:38:58,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:38:58,428 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 747 statements into 23 equivalence classes. [2025-01-24 02:39:02,607 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) and asserted 747 of 747 statements. [2025-01-24 02:39:02,607 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2025-01-24 02:39:02,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:39:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5033 backedges. 1160 proven. 300 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2025-01-24 02:39:08,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:39:08,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093357757] [2025-01-24 02:39:08,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093357757] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:39:08,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233076013] [2025-01-24 02:39:08,132 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:39:08,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:39:08,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:39:08,134 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-24 02:39:08,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-24 02:39:09,115 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 747 statements into 23 equivalence classes. Killed by 15