./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-commit-1.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-commit-1.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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --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 02:52:24,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-24 02:52:24,245 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-24 02:52:24,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-24 02:52:24,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-24 02:52:24,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-24 02:52:24,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-24 02:52:24,273 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-24 02:52:24,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-24 02:52:24,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-24 02:52:24,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-24 02:52:24,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-24 02:52:24,275 INFO L153 SettingsManager]: * Use SBE=true [2025-01-24 02:52:24,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-24 02:52:24,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-24 02:52:24,275 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-24 02:52:24,276 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-24 02:52:24,277 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-24 02:52:24,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-24 02:52:24,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-24 02:52:24,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-24 02:52:24,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-24 02:52:24,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:52:24,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-24 02:52:24,278 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-24 02:52:24,279 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-24 02:52:24,279 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 -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e 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 02:52:24,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-24 02:52:24,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-24 02:52:24,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-24 02:52:24,563 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-24 02:52:24,563 INFO L274 PluginConnector]: CDTParser initialized [2025-01-24 02:52:24,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2025-01-24 02:52:25,749 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/aeb5a0336/e5a76d88aa2b4c95a6dc1c9017a2f4c9/FLAG3e45807dd [2025-01-24 02:52:25,961 INFO L384 CDTParser]: Found 1 translation units. [2025-01-24 02:52:25,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-commit-1.wvr.c [2025-01-24 02:52:25,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/aeb5a0336/e5a76d88aa2b4c95a6dc1c9017a2f4c9/FLAG3e45807dd [2025-01-24 02:52:26,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/aeb5a0336/e5a76d88aa2b4c95a6dc1c9017a2f4c9 [2025-01-24 02:52:26,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-24 02:52:26,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-24 02:52:26,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-24 02:52:26,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-24 02:52:26,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-24 02:52:26,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315ea015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26, skipping insertion in model container [2025-01-24 02:52:26,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,335 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-24 02:52:26,464 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-commit-1.wvr.c[4643,4656] [2025-01-24 02:52:26,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:52:26,475 INFO L200 MainTranslator]: Completed pre-run [2025-01-24 02:52:26,524 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-commit-1.wvr.c[4643,4656] [2025-01-24 02:52:26,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-24 02:52:26,536 INFO L204 MainTranslator]: Completed translation [2025-01-24 02:52:26,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26 WrapperNode [2025-01-24 02:52:26,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-24 02:52:26,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-24 02:52:26,538 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-24 02:52:26,538 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-24 02:52:26,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,567 INFO L138 Inliner]: procedures = 24, calls = 53, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 325 [2025-01-24 02:52:26,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-24 02:52:26,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-24 02:52:26,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-24 02:52:26,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-24 02:52:26,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,588 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,602 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-24 02:52:26,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-24 02:52:26,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-24 02:52:26,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-24 02:52:26,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (1/1) ... [2025-01-24 02:52:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-24 02:52:26,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:26,632 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 02:52:26,634 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 02:52:26,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-24 02:52:26,653 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-24 02:52:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-24 02:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-24 02:52:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-24 02:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-24 02:52:26,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-24 02:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-24 02:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-24 02:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-01-24 02:52:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-01-24 02:52:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-24 02:52:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-24 02:52:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-24 02:52:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-24 02:52:26,656 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 02:52:26,735 INFO L234 CfgBuilder]: Building ICFG [2025-01-24 02:52:26,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-24 02:52:27,091 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-24 02:52:27,093 INFO L283 CfgBuilder]: Performing block encoding [2025-01-24 02:52:27,344 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-24 02:52:27,344 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-24 02:52:27,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:52:27 BoogieIcfgContainer [2025-01-24 02:52:27,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-24 02:52:27,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-24 02:52:27,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-24 02:52:27,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-24 02:52:27,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 02:52:26" (1/3) ... [2025-01-24 02:52:27,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641aadab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:52:27, skipping insertion in model container [2025-01-24 02:52:27,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 02:52:26" (2/3) ... [2025-01-24 02:52:27,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641aadab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 02:52:27, skipping insertion in model container [2025-01-24 02:52:27,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 02:52:27" (3/3) ... [2025-01-24 02:52:27,351 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2025-01-24 02:52:27,361 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-24 02:52:27,363 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-commit-1.wvr.c that has 4 procedures, 40 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-24 02:52:27,363 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-24 02:52:27,404 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-24 02:52:27,428 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:52:27,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-24 02:52:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:27,433 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 02:52:27,438 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 02:52:27,498 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-24 02:52:27,515 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-24 02:52:27,520 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;@6116d33a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-24 02:52:27,520 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-24 02:52:27,697 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:27,697 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:27,697 INFO L139 ounterexampleChecker]: Examining path program with hash -1251181911, occurence #1 [2025-01-24 02:52:27,697 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:27,698 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:27,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:27,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1719469229, now seen corresponding path program 1 times [2025-01-24 02:52:27,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:27,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765742400] [2025-01-24 02:52:27,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:27,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-24 02:52:27,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-24 02:52:27,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:27,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:27,895 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 02:52:27,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765742400] [2025-01-24 02:52:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765742400] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:27,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:27,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 02:52:27,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233007313] [2025-01-24 02:52:27,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:27,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-24 02:52:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:27,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-24 02:52:27,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-24 02:52:27,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:27,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:27,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:52:27,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:31,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-24 02:52:31,727 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:31,728 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:31,728 INFO L139 ounterexampleChecker]: Examining path program with hash -1013081580, occurence #1 [2025-01-24 02:52:31,728 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:31,728 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:31,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:31,728 INFO L85 PathProgramCache]: Analyzing trace with hash -375867226, now seen corresponding path program 1 times [2025-01-24 02:52:31,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:31,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177421848] [2025-01-24 02:52:31,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:31,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-24 02:52:31,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-24 02:52:31,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:31,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:32,038 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 02:52:32,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:32,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177421848] [2025-01-24 02:52:32,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177421848] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:32,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:32,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-24 02:52:32,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911601457] [2025-01-24 02:52:32,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:32,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 02:52:32,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:32,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 02:52:32,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 02:52:32,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,041 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:32,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 02:52:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:32,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-24 02:52:32,189 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:32,189 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:32,189 INFO L139 ounterexampleChecker]: Examining path program with hash -205942819, occurence #1 [2025-01-24 02:52:32,189 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:32,189 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:32,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:32,189 INFO L85 PathProgramCache]: Analyzing trace with hash 690844982, now seen corresponding path program 2 times [2025-01-24 02:52:32,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:32,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270230332] [2025-01-24 02:52:32,190 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:52:32,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:32,200 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-01-24 02:52:32,214 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 31 of 53 statements. [2025-01-24 02:52:32,214 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 02:52:32,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:52:32,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:32,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270230332] [2025-01-24 02:52:32,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270230332] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:32,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:32,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 02:52:32,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342935000] [2025-01-24 02:52:32,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:32,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:52:32,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:32,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:52:32,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:52:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,347 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:32,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 02:52:32,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:32,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:32,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-24 02:52:32,429 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:32,429 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:32,429 INFO L139 ounterexampleChecker]: Examining path program with hash -205942819, occurence #2 [2025-01-24 02:52:32,429 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:52:32,429 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-24 02:52:32,430 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:32,430 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-24 02:52:32,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:32,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:52:32,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:32,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 02:52:32,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:32,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-24 02:52:32,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:32,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-24 02:52:32,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:32,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-24 02:52:32,446 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:32,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-24 02:52:32,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:32,446 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:52:32,447 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:32,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:32,447 INFO L85 PathProgramCache]: Analyzing trace with hash -949836750, now seen corresponding path program 1 times [2025-01-24 02:52:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:32,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676508917] [2025-01-24 02:52:32,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:32,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 02:52:32,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 02:52:32,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:32,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:52:32,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:32,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676508917] [2025-01-24 02:52:32,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676508917] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:32,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:32,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-24 02:52:32,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484150436] [2025-01-24 02:52:32,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:32,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 02:52:32,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:32,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 02:52:32,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-24 02:52:32,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,563 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:32,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:52:32,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:32,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:32,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:32,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-24 02:52:32,826 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:32,826 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:32,826 INFO L139 ounterexampleChecker]: Examining path program with hash 1802149948, occurence #1 [2025-01-24 02:52:32,826 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:32,826 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:32,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:32,827 INFO L85 PathProgramCache]: Analyzing trace with hash -703116156, now seen corresponding path program 2 times [2025-01-24 02:52:32,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:32,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401690687] [2025-01-24 02:52:32,827 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:52:32,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:32,839 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 78 statements into 2 equivalence classes. [2025-01-24 02:52:32,869 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 63 of 78 statements. [2025-01-24 02:52:32,869 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 02:52:32,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:33,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:33,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:33,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401690687] [2025-01-24 02:52:33,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401690687] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:33,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:33,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 02:52:33,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978947921] [2025-01-24 02:52:33,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:33,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:52:33,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:33,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:52:33,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:52:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:33,072 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:33,072 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 02:52:33,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:33,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:33,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:33,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:33,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:33,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:33,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-24 02:52:33,157 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:33,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:33,157 INFO L139 ounterexampleChecker]: Examining path program with hash 1802149948, occurence #2 [2025-01-24 02:52:33,157 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:52:33,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:52:33,160 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:33,160 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-24 02:52:33,160 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:33,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-24 02:52:33,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:33,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-01-24 02:52:33,161 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:33,161 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-24 02:52:33,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:33,326 INFO L85 PathProgramCache]: Analyzing trace with hash -722315723, now seen corresponding path program 1 times [2025-01-24 02:52:33,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:33,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055063562] [2025-01-24 02:52:33,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:33,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:33,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-24 02:52:33,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-24 02:52:33,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:33,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:33,376 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:33,377 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:33,377 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-24 02:52:33,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:33,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1263660097, now seen corresponding path program 1 times [2025-01-24 02:52:33,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:33,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285153416] [2025-01-24 02:52:33,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:33,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:33,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-24 02:52:33,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-24 02:52:33,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:33,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:52:33,717 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:33,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285153416] [2025-01-24 02:52:33,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285153416] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:33,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1259146779] [2025-01-24 02:52:33,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:33,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:33,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-24 02:52:33,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-24 02:52:33,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:33,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:33,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:52:33,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:33,830 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:52:33,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1259146779] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:33,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:33,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-24 02:52:33,831 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:33,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-24 02:52:33,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:33,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1098325497, now seen corresponding path program 1 times [2025-01-24 02:52:33,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903439041] [2025-01-24 02:52:33,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:33,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-24 02:52:33,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-24 02:52:33,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:33,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:52:34,068 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:34,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903439041] [2025-01-24 02:52:34,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903439041] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:34,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [94600738] [2025-01-24 02:52:34,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:34,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-24 02:52:34,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-24 02:52:34,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:34,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:34,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:52:34,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-24 02:52:34,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [94600738] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:34,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:34,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-24 02:52:34,152 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:34,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-24 02:52:34,152 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:34,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-24 02:52:34,152 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:34,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-24 02:52:34,152 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:34,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-01-24 02:52:34,152 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:34,152 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:52:34,152 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:34,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:34,153 INFO L85 PathProgramCache]: Analyzing trace with hash -747391066, now seen corresponding path program 1 times [2025-01-24 02:52:34,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:34,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807641749] [2025-01-24 02:52:34,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:34,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-24 02:52:34,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-24 02:52:34,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:34,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:34,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:34,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807641749] [2025-01-24 02:52:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807641749] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:34,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067169041] [2025-01-24 02:52:34,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:34,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:34,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:34,427 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 02:52:34,429 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 02:52:34,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-24 02:52:34,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-24 02:52:34,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:34,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:34,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-24 02:52:34,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 02:52:34,588 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 02:52:34,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067169041] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:34,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 02:52:34,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-24 02:52:34,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872935878] [2025-01-24 02:52:34,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:34,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:52:34,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:34,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:52:34,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-01-24 02:52:34,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:34,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:34,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:52:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:34,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:34,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:34,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:34,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-24 02:52:34,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2025-01-24 02:52:34,870 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:34,870 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:34,870 INFO L139 ounterexampleChecker]: Examining path program with hash 1802149948, occurence #3 [2025-01-24 02:52:34,870 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:52:34,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-24 02:52:34,870 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:34,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-24 02:52:34,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:34,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-24 02:52:34,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:34,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-24 02:52:34,870 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:34,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:52:34,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:34,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1666936992, now seen corresponding path program 1 times [2025-01-24 02:52:34,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:34,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225942348] [2025-01-24 02:52:34,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:34,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:34,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-24 02:52:34,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-24 02:52:34,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:34,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:34,999 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:34,999 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:34,999 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-24 02:52:35,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:35,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1264399974, now seen corresponding path program 1 times [2025-01-24 02:52:35,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:35,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537518009] [2025-01-24 02:52:35,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:35,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:35,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 02:52:35,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 02:52:35,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:35,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:35,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 02:52:35,304 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:35,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537518009] [2025-01-24 02:52:35,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537518009] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:35,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [207525335] [2025-01-24 02:52:35,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:35,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:35,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-24 02:52:35,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-24 02:52:35,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:35,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:35,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:52:35,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 02:52:35,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [207525335] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:35,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:35,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-24 02:52:35,385 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:35,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-24 02:52:35,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:35,398 INFO L85 PathProgramCache]: Analyzing trace with hash -387444448, now seen corresponding path program 1 times [2025-01-24 02:52:35,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:35,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139229908] [2025-01-24 02:52:35,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:35,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:35,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-24 02:52:35,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-24 02:52:35,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:35,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:35,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 02:52:35,580 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:35,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139229908] [2025-01-24 02:52:35,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139229908] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:35,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [956009802] [2025-01-24 02:52:35,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:35,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:35,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-24 02:52:35,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-24 02:52:35,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:35,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:35,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:52:35,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-24 02:52:35,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [956009802] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:35,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:35,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-01-24 02:52:35,691 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:35,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-24 02:52:35,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:35,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-01-24 02:52:35,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:35,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-24 02:52:35,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:35,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-24 02:52:35,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:35,691 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:52:35,691 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:35,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -2119913276, now seen corresponding path program 1 times [2025-01-24 02:52:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897333637] [2025-01-24 02:52:35,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:35,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-24 02:52:35,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 02:52:35,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:35,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-24 02:52:35,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:35,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897333637] [2025-01-24 02:52:35,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897333637] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:35,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129453587] [2025-01-24 02:52:35,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:35,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:35,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:35,939 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 02:52:35,941 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 02:52:36,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-24 02:52:36,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-24 02:52:36,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:36,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:36,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-24 02:52:36,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-24 02:52:36,119 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 02:52:36,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129453587] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:36,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 02:52:36,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-24 02:52:36,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641297361] [2025-01-24 02:52:36,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:36,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:52:36,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:36,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:52:36,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-24 02:52:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:36,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:36,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:36,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:36,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:36,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:36,401 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 02:52:36,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2025-01-24 02:52:36,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:36,595 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:36,595 INFO L139 ounterexampleChecker]: Examining path program with hash 1582682432, occurence #1 [2025-01-24 02:52:36,595 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:36,595 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:36,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash 198083995, now seen corresponding path program 2 times [2025-01-24 02:52:36,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:36,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117729876] [2025-01-24 02:52:36,596 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:52:36,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:36,616 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 94 statements into 2 equivalence classes. [2025-01-24 02:52:36,734 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 94 of 94 statements. [2025-01-24 02:52:36,734 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:52:36,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-24 02:52:37,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117729876] [2025-01-24 02:52:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117729876] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764063991] [2025-01-24 02:52:37,045 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:52:37,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:37,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:37,048 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 02:52:37,051 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 02:52:37,153 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 94 statements into 2 equivalence classes. [2025-01-24 02:52:37,217 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 94 of 94 statements. [2025-01-24 02:52:37,217 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-24 02:52:37,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:37,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-24 02:52:37,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-24 02:52:37,262 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 02:52:37,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764063991] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:37,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 02:52:37,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2025-01-24 02:52:37,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24752684] [2025-01-24 02:52:37,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:37,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-24 02:52:37,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:37,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-24 02:52:37,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-01-24 02:52:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:37,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:37,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:37,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:37,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:37,432 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 02:52:37,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-24 02:52:37,624 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-24 02:52:37,624 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:37,624 INFO L139 ounterexampleChecker]: Examining path program with hash -617497984, occurence #1 [2025-01-24 02:52:37,624 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:37,624 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:37,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:37,625 INFO L85 PathProgramCache]: Analyzing trace with hash -400207501, now seen corresponding path program 3 times [2025-01-24 02:52:37,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:37,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066925233] [2025-01-24 02:52:37,625 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:52:37,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:37,640 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 3 equivalence classes. [2025-01-24 02:52:37,675 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 70 of 96 statements. [2025-01-24 02:52:37,675 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:52:37,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-24 02:52:37,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:37,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066925233] [2025-01-24 02:52:37,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066925233] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:37,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444308151] [2025-01-24 02:52:37,879 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:52:37,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:37,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:37,883 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 02:52:37,886 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 02:52:37,990 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 3 equivalence classes. [2025-01-24 02:52:38,054 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 70 of 96 statements. [2025-01-24 02:52:38,055 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:52:38,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:38,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-24 02:52:38,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 02:52:38,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:52:38,445 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-24 02:52:38,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444308151] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:52:38,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:52:38,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 20 [2025-01-24 02:52:38,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880350376] [2025-01-24 02:52:38,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:52:38,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-24 02:52:38,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:38,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-24 02:52:38,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2025-01-24 02:52:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:38,448 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:38,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 8.15) internal successors, (163), 20 states have internal predecessors, (163), 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 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:38,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:38,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:38,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-24 02:52:38,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:38,954 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 1 more)] === [2025-01-24 02:52:38,954 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:38,954 INFO L139 ounterexampleChecker]: Examining path program with hash -617497984, occurence #2 [2025-01-24 02:52:38,954 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:52:38,954 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-24 02:52:38,954 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:38,954 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-24 02:52:38,954 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:38,954 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 02:52:38,954 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:38,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 02:52:38,955 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:38,955 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-24 02:52:39,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:39,048 INFO L85 PathProgramCache]: Analyzing trace with hash -544781935, now seen corresponding path program 1 times [2025-01-24 02:52:39,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:39,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229860323] [2025-01-24 02:52:39,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:39,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:39,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-24 02:52:39,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-24 02:52:39,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:39,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:39,070 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:39,070 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:39,070 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-01-24 02:52:39,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:39,183 INFO L85 PathProgramCache]: Analyzing trace with hash 450500390, now seen corresponding path program 1 times [2025-01-24 02:52:39,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:39,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065267691] [2025-01-24 02:52:39,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:39,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:39,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-24 02:52:39,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-24 02:52:39,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:39,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:39,241 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:39,241 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:39,241 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-24 02:52:39,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:39,333 INFO L85 PathProgramCache]: Analyzing trace with hash -860911200, now seen corresponding path program 1 times [2025-01-24 02:52:39,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:39,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683828654] [2025-01-24 02:52:39,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:39,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:39,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-24 02:52:39,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-24 02:52:39,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:39,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:39,385 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:39,385 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:39,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-24 02:52:39,385 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:39,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-24 02:52:39,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:39,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1541347973, now seen corresponding path program 1 times [2025-01-24 02:52:39,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:39,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443953003] [2025-01-24 02:52:39,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:39,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-24 02:52:39,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-24 02:52:39,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:39,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-24 02:52:39,646 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443953003] [2025-01-24 02:52:39,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443953003] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:39,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [806680608] [2025-01-24 02:52:39,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:39,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:39,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-24 02:52:39,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-24 02:52:39,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:39,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:39,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:52:39,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:39,789 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-24 02:52:39,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [806680608] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:39,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:39,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-01-24 02:52:39,789 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:39,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-24 02:52:39,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:39,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-01-24 02:52:39,790 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:39,790 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-24 02:52:39,790 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:39,790 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:52:39,790 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:39,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:39,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1803873681, now seen corresponding path program 4 times [2025-01-24 02:52:39,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:39,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977469352] [2025-01-24 02:52:39,791 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:52:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:39,813 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 100 statements into 2 equivalence classes. [2025-01-24 02:52:39,837 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-01-24 02:52:39,838 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:52:39,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:40,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:40,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977469352] [2025-01-24 02:52:40,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977469352] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:40,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424890147] [2025-01-24 02:52:40,334 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-24 02:52:40,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:40,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:40,335 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 02:52:40,337 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 02:52:40,441 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 100 statements into 2 equivalence classes. [2025-01-24 02:52:40,490 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-01-24 02:52:40,490 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-24 02:52:40,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:40,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-24 02:52:40,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:40,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:52:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:41,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424890147] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:52:41,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:52:41,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2025-01-24 02:52:41,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384519870] [2025-01-24 02:52:41,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:52:41,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-01-24 02:52:41,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:41,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-01-24 02:52:41,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=735, Invalid=1917, Unknown=0, NotChecked=0, Total=2652 [2025-01-24 02:52:41,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:41,456 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:41,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.961538461538462) internal successors, (258), 51 states have internal predecessors, (258), 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 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:41,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:41,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:41,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:41,655 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 02:52:41,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-01-24 02:52:41,849 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 1 more)] === [2025-01-24 02:52:41,849 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:41,849 INFO L139 ounterexampleChecker]: Examining path program with hash -617497984, occurence #3 [2025-01-24 02:52:41,849 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:52:41,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-24 02:52:41,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:41,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-24 02:52:41,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:41,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-24 02:52:41,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:41,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-24 02:52:41,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:41,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-24 02:52:41,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:41,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1908119523, now seen corresponding path program 1 times [2025-01-24 02:52:41,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116565854] [2025-01-24 02:52:41,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:41,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-24 02:52:42,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-24 02:52:42,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:42,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:42,013 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:42,013 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:42,013 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:52:42,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:42,120 INFO L85 PathProgramCache]: Analyzing trace with hash 248092082, now seen corresponding path program 1 times [2025-01-24 02:52:42,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:42,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850524353] [2025-01-24 02:52:42,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:42,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:42,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-24 02:52:42,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-24 02:52:42,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:42,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:42,158 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:42,158 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:42,158 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-24 02:52:42,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:42,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2101778388, now seen corresponding path program 1 times [2025-01-24 02:52:42,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:42,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107719589] [2025-01-24 02:52:42,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:42,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:42,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-24 02:52:42,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-24 02:52:42,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:42,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:42,357 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:42,357 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:42,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-24 02:52:42,357 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:42,357 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-24 02:52:42,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:42,373 INFO L85 PathProgramCache]: Analyzing trace with hash 121968391, now seen corresponding path program 1 times [2025-01-24 02:52:42,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:42,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466289655] [2025-01-24 02:52:42,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:42,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-24 02:52:42,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-24 02:52:42,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:42,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 73 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:42,899 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:42,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466289655] [2025-01-24 02:52:42,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466289655] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:42,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1526407678] [2025-01-24 02:52:42,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:42,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:42,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-24 02:52:42,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-24 02:52:42,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:42,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:42,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-24 02:52:42,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 9 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-24 02:52:43,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1526407678] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:43,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:43,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 41 [2025-01-24 02:52:43,545 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:43,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-24 02:52:43,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:43,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-24 02:52:43,545 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:43,545 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-01-24 02:52:43,545 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:43,545 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:52:43,545 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:43,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:43,545 INFO L85 PathProgramCache]: Analyzing trace with hash -552198383, now seen corresponding path program 5 times [2025-01-24 02:52:43,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:43,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133500373] [2025-01-24 02:52:43,546 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-24 02:52:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:43,562 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 106 statements into 6 equivalence classes. [2025-01-24 02:52:43,622 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 106 of 106 statements. [2025-01-24 02:52:43,622 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-24 02:52:43,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-24 02:52:43,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:43,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133500373] [2025-01-24 02:52:43,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133500373] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:43,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:43,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-24 02:52:43,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030495447] [2025-01-24 02:52:43,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:43,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:52:43,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:43,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:52:43,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-24 02:52:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:43,755 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:43,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:43,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:43,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:43,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:43,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-01-24 02:52:43,961 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 1 more)] === [2025-01-24 02:52:43,961 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:43,961 INFO L139 ounterexampleChecker]: Examining path program with hash 975379094, occurence #1 [2025-01-24 02:52:43,961 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:43,961 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:43,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash 443438807, now seen corresponding path program 6 times [2025-01-24 02:52:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:43,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454668978] [2025-01-24 02:52:43,962 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:52:43,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:43,989 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 116 statements into 6 equivalence classes. [2025-01-24 02:52:44,032 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 64 of 116 statements. [2025-01-24 02:52:44,033 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-24 02:52:44,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2025-01-24 02:52:44,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:44,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454668978] [2025-01-24 02:52:44,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454668978] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:44,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24592889] [2025-01-24 02:52:44,242 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-24 02:52:44,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:44,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:44,250 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 02:52:44,251 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 02:52:44,408 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 116 statements into 6 equivalence classes. [2025-01-24 02:52:44,455 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 64 of 116 statements. [2025-01-24 02:52:44,455 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-24 02:52:44,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:44,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-24 02:52:44,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-24 02:52:44,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:52:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-01-24 02:52:44,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24592889] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-24 02:52:44,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-24 02:52:44,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 15 [2025-01-24 02:52:44,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395798738] [2025-01-24 02:52:44,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-24 02:52:44,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-24 02:52:44,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:44,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-24 02:52:44,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-01-24 02:52:44,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:44,750 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:44,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.2) internal successors, (123), 15 states have internal predecessors, (123), 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 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:44,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:45,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:45,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:52:45,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-24 02:52:45,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:45,266 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 1 more)] === [2025-01-24 02:52:45,266 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:45,266 INFO L139 ounterexampleChecker]: Examining path program with hash 975379094, occurence #2 [2025-01-24 02:52:45,266 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-24 02:52:45,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-01-24 02:52:45,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:45,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-24 02:52:45,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:45,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-24 02:52:45,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:45,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-24 02:52:45,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:45,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-01-24 02:52:45,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:45,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2018388843, now seen corresponding path program 1 times [2025-01-24 02:52:45,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:45,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795943585] [2025-01-24 02:52:45,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:45,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-24 02:52:45,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-24 02:52:45,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:45,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:45,412 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:45,412 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:45,412 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-24 02:52:45,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:45,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1653634816, now seen corresponding path program 1 times [2025-01-24 02:52:45,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:45,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139147676] [2025-01-24 02:52:45,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:45,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:45,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-24 02:52:45,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-24 02:52:45,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:45,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:45,592 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:45,592 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:45,592 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-24 02:52:45,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:45,680 INFO L85 PathProgramCache]: Analyzing trace with hash -5272710, now seen corresponding path program 1 times [2025-01-24 02:52:45,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:45,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229743524] [2025-01-24 02:52:45,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:45,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-24 02:52:45,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-24 02:52:45,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:45,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-24 02:52:45,715 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-24 02:52:45,715 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-24 02:52:45,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-24 02:52:45,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:45,732 INFO L85 PathProgramCache]: Analyzing trace with hash 419683657, now seen corresponding path program 1 times [2025-01-24 02:52:45,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-24 02:52:45,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789822876] [2025-01-24 02:52:45,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:45,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:45,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-24 02:52:45,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-24 02:52:45,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:45,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:52:46,046 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-24 02:52:46,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789822876] [2025-01-24 02:52:46,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789822876] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:46,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1358519054] [2025-01-24 02:52:46,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-24 02:52:46,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:46,065 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-24 02:52:46,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-24 02:52:46,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:46,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:46,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-24 02:52:46,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-01-24 02:52:46,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1358519054] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:46,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-24 02:52:46,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-01-24 02:52:46,319 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-01-24 02:52:46,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-24 02:52:46,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:46,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-01-24 02:52:46,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:46,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-01-24 02:52:46,319 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-24 02:52:46,319 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-24 02:52:46,319 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-24 02:52:46,319 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-24 02:52:46,319 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:46,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:46,320 INFO L85 PathProgramCache]: Analyzing trace with hash -964736105, now seen corresponding path program 7 times [2025-01-24 02:52:46,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:46,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85888967] [2025-01-24 02:52:46,320 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:52:46,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:46,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-24 02:52:46,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-24 02:52:46,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:46,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:46,664 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-01-24 02:52:46,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85888967] [2025-01-24 02:52:46,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85888967] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:46,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799365453] [2025-01-24 02:52:46,665 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-24 02:52:46,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:46,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:46,668 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 02:52:46,670 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 02:52:46,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-24 02:52:46,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-24 02:52:46,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-24 02:52:46,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:46,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-24 02:52:46,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2025-01-24 02:52:46,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-24 02:52:46,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799365453] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:46,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-24 02:52:46,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2025-01-24 02:52:46,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340806664] [2025-01-24 02:52:46,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:46,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-24 02:52:46,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:46,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-24 02:52:46,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-01-24 02:52:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:46,923 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:46,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:52:46,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:52:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,118 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 02:52:47,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:47,314 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 1 more)] === [2025-01-24 02:52:47,314 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:47,314 INFO L139 ounterexampleChecker]: Examining path program with hash -739104052, occurence #1 [2025-01-24 02:52:47,314 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:47,314 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:47,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:47,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1982132337, now seen corresponding path program 8 times [2025-01-24 02:52:47,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:47,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923269395] [2025-01-24 02:52:47,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-24 02:52:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:47,325 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-01-24 02:52:47,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 41 of 56 statements. [2025-01-24 02:52:47,350 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-24 02:52:47,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-24 02:52:47,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:47,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923269395] [2025-01-24 02:52:47,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923269395] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-24 02:52:47,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-24 02:52:47,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-24 02:52:47,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049226403] [2025-01-24 02:52:47,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-24 02:52:47,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-24 02:52:47,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-24 02:52:47,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-24 02:52:47,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2025-01-24 02:52:47,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:47,957 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-24 02:52:47,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 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 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:47,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-24 02:52:48,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-24 02:52:48,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-01-24 02:52:48,474 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 1 more)] === [2025-01-24 02:52:48,475 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-24 02:52:48,475 INFO L139 ounterexampleChecker]: Examining path program with hash 1265263641, occurence #1 [2025-01-24 02:52:48,475 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-24 02:52:48,475 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-24 02:52:48,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-24 02:52:48,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2095435439, now seen corresponding path program 9 times [2025-01-24 02:52:48,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-24 02:52:48,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098413200] [2025-01-24 02:52:48,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:52:48,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-24 02:52:48,497 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 70 statements into 6 equivalence classes. [2025-01-24 02:52:48,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 61 of 70 statements. [2025-01-24 02:52:48,566 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:52:48,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:50,658 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-24 02:52:50,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-24 02:52:50,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098413200] [2025-01-24 02:52:50,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098413200] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-24 02:52:50,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473367712] [2025-01-24 02:52:50,658 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-24 02:52:50,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-24 02:52:50,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-24 02:52:50,660 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 02:52:50,661 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 02:52:50,852 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 70 statements into 6 equivalence classes. [2025-01-24 02:52:51,120 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 61 of 70 statements. [2025-01-24 02:52:51,120 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-24 02:52:51,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-24 02:52:51,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-01-24 02:52:51,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-24 02:52:51,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-24 02:52:53,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-24 02:52:53,526 INFO L349 Elim1Store]: treesize reduction 319, result has 40.9 percent of original size [2025-01-24 02:52:53,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 161 treesize of output 252 [2025-01-24 02:52:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-24 02:52:53,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-24 02:53:36,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:53:36,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 804 treesize of output 780 [2025-01-24 02:53:36,621 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 02:53:36,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 104 [2025-01-24 02:53:37,075 INFO L349 Elim1Store]: treesize reduction 18, result has 28.0 percent of original size [2025-01-24 02:53:37,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 187 treesize of output 157 [2025-01-24 02:53:37,181 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 02:53:37,288 INFO L349 Elim1Store]: treesize reduction 10, result has 91.7 percent of original size [2025-01-24 02:53:37,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 367 treesize of output 423 [2025-01-24 02:53:42,166 INFO L349 Elim1Store]: treesize reduction 8, result has 94.4 percent of original size [2025-01-24 02:53:42,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 421 treesize of output 427 [2025-01-24 02:53:44,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-24 02:53:44,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 881 treesize of output 851 [2025-01-24 02:53:44,538 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 02:53:44,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 131 [2025-01-24 02:53:45,314 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 02:53:45,323 INFO L349 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2025-01-24 02:53:45,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 187 treesize of output 154 [2025-01-24 02:53:45,556 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 02:53:45,562 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-24 02:53:45,635 INFO L349 Elim1Store]: treesize reduction 5, result has 95.6 percent of original size [2025-01-24 02:53:45,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 331 treesize of output 378 Killed by 15