./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c --full-output --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1c4755c5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.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 e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --- Real Ultimate output --- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 22:13:34,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 22:13:34,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 22:13:34,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 22:13:34,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 22:13:34,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 22:13:34,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 22:13:34,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 22:13:34,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 22:13:34,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 22:13:34,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 22:13:34,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 22:13:34,737 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 22:13:34,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 22:13:34,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 22:13:34,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 22:13:34,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 22:13:34,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 22:13:34,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 22:13:34,740 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 22:13:34,740 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 22:13:34,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 22:13:34,741 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 22:13:34,741 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 -> e5124dd4a5a155d8a4e322a35428820633f9eccdd993e14120e650d1ba1fbebe Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 22:13:35,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 22:13:35,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 22:13:35,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 22:13:35,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-17 22:13:35,029 INFO L274 PluginConnector]: CDTParser initialized [2024-12-17 22:13:35,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-12-17 22:13:36,286 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/727c344be/bce10974652945508827c9ab58f55cb8/FLAG029c8b10e [2024-12-17 22:13:36,530 INFO L384 CDTParser]: Found 1 translation units. [2024-12-17 22:13:36,532 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2024-12-17 22:13:36,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/727c344be/bce10974652945508827c9ab58f55cb8/FLAG029c8b10e [2024-12-17 22:13:36,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/727c344be/bce10974652945508827c9ab58f55cb8 [2024-12-17 22:13:36,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 22:13:36,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-17 22:13:36,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-17 22:13:36,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-17 22:13:36,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-17 22:13:36,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:13:36" (1/1) ... [2024-12-17 22:13:36,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2ac0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:36, skipping insertion in model container [2024-12-17 22:13:36,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:13:36" (1/1) ... [2024-12-17 22:13:36,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-17 22:13:37,049 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-more-buffer-mult.wvr.c[4270,4283] [2024-12-17 22:13:37,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 22:13:37,077 INFO L200 MainTranslator]: Completed pre-run [2024-12-17 22:13:37,105 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-more-buffer-mult.wvr.c[4270,4283] [2024-12-17 22:13:37,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-17 22:13:37,131 INFO L204 MainTranslator]: Completed translation [2024-12-17 22:13:37,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37 WrapperNode [2024-12-17 22:13:37,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-17 22:13:37,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 22:13:37,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 22:13:37,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 22:13:37,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,180 INFO L138 Inliner]: procedures = 26, calls = 60, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 278 [2024-12-17 22:13:37,181 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 22:13:37,182 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 22:13:37,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 22:13:37,183 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 22:13:37,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 22:13:37,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 22:13:37,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 22:13:37,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 22:13:37,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (1/1) ... [2024-12-17 22:13:37,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 22:13:37,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:13:37,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-17 22:13:37,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-17 22:13:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-17 22:13:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-17 22:13:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-17 22:13:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 22:13:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 22:13:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 22:13:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 22:13:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 22:13:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 22:13:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 22:13:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 22:13:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-17 22:13:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-17 22:13:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-17 22:13:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-17 22:13:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 22:13:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 22:13:37,300 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 22:13:37,414 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 22:13:37,415 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 22:13:37,816 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 22:13:37,816 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 22:13:38,104 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 22:13:38,104 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 22:13:38,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:13:38 BoogieIcfgContainer [2024-12-17 22:13:38,104 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 22:13:38,106 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 22:13:38,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 22:13:38,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 22:13:38,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:13:36" (1/3) ... [2024-12-17 22:13:38,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@add8e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:13:38, skipping insertion in model container [2024-12-17 22:13:38,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:13:37" (2/3) ... [2024-12-17 22:13:38,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@add8e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:13:38, skipping insertion in model container [2024-12-17 22:13:38,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:13:38" (3/3) ... [2024-12-17 22:13:38,113 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2024-12-17 22:13:38,128 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 22:13:38,130 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-buffer-mult.wvr.c that has 5 procedures, 45 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2024-12-17 22:13:38,130 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 22:13:38,206 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 22:13:38,260 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 22:13:38,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 22:13:38,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:13:38,265 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-17 22:13:38,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-17 22:13:38,360 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 22:13:38,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 22:13:38,385 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;@8887483, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 22:13:38,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 22:13:39,765 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:39,766 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:39,766 INFO L139 ounterexampleChecker]: Examining path program with hash 1559454022, occurence #1 [2024-12-17 22:13:39,766 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:13:39,766 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:39,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:39,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1087846709, now seen corresponding path program 1 times [2024-12-17 22:13:39,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:39,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044513698] [2024-12-17 22:13:39,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:39,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 22:13:40,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:41,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044513698] [2024-12-17 22:13:41,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044513698] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:13:41,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:13:41,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 22:13:41,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672800151] [2024-12-17 22:13:41,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:13:41,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:13:41,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:41,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:13:41,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 22:13:41,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:41,033 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:41,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:41,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:41,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 22:13:41,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:41,190 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:41,191 INFO L139 ounterexampleChecker]: Examining path program with hash 1559454022, occurence #2 [2024-12-17 22:13:41,191 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:13:41,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:13:41,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:41,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-12-17 22:13:41,207 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-17 22:13:41,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-17 22:13:41,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-17 22:13:41,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-12-17 22:13:41,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:41,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1561900872, now seen corresponding path program 1 times [2024-12-17 22:13:41,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:41,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700492631] [2024-12-17 22:13:41,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:41,566 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:41,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700492631] [2024-12-17 22:13:41,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700492631] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:13:41,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:13:41,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 22:13:41,568 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2024-12-17 22:13:41,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:13:41,570 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 22:13:41,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:13:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 22:13:41,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:13:41,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 22:13:41,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:41,575 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:41,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:41,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:41,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:41,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-17 22:13:41,712 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:41,712 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:41,712 INFO L139 ounterexampleChecker]: Examining path program with hash 1559454022, occurence #3 [2024-12-17 22:13:41,712 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:13:41,712 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:13:41,712 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:41,713 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-17 22:13:41,713 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,713 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-17 22:13:41,713 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,713 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-17 22:13:41,713 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 22:13:41,714 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:41,714 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-12-17 22:13:41,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:41,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1704952346, now seen corresponding path program 1 times [2024-12-17 22:13:41,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:41,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646660737] [2024-12-17 22:13:41,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:41,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:42,118 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:42,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646660737] [2024-12-17 22:13:42,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646660737] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:42,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1301396421] [2024-12-17 22:13:42,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:42,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:42,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:13:42,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:42,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1301396421] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:42,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:42,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 22:13:42,325 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:42,326 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2024-12-17 22:13:42,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:42,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1440388891, now seen corresponding path program 1 times [2024-12-17 22:13:42,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:42,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471982845] [2024-12-17 22:13:42,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:42,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:42,673 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:42,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471982845] [2024-12-17 22:13:42,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471982845] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:42,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1718228607] [2024-12-17 22:13:42,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:42,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:13:42,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:42,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:42,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1718228607] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:42,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:42,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 22:13:42,901 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:42,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-12-17 22:13:43,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:43,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1691080564, now seen corresponding path program 1 times [2024-12-17 22:13:43,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:43,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542226410] [2024-12-17 22:13:43,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:43,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:43,356 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:43,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542226410] [2024-12-17 22:13:43,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542226410] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:43,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [969609953] [2024-12-17 22:13:43,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:43,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:43,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:13:43,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:43,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [969609953] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:43,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:43,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-17 22:13:43,576 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:43,576 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2024-12-17 22:13:43,576 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2024-12-17 22:13:43,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2024-12-17 22:13:43,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:43,577 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:13:43,577 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:43,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1698246504, now seen corresponding path program 1 times [2024-12-17 22:13:43,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:43,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327929173] [2024-12-17 22:13:43,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:43,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:44,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:44,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:44,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327929173] [2024-12-17 22:13:44,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327929173] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:44,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322998784] [2024-12-17 22:13:44,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:44,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:13:44,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:13:44,161 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:13:44,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-17 22:13:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:44,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:13:44,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:44,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:13:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:44,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322998784] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:13:44,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:13:44,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-12-17 22:13:44,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450301992] [2024-12-17 22:13:44,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:13:44,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-17 22:13:44,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:44,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-17 22:13:44,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-12-17 22:13:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:44,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:44,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.071428571428571) internal successors, (113), 13 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:44,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:44,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:44,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:44,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:44,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-17 22:13:45,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-17 22:13:45,145 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:45,145 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:45,146 INFO L139 ounterexampleChecker]: Examining path program with hash 1559454022, occurence #4 [2024-12-17 22:13:45,146 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:13:45,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:13:45,146 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:45,146 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-12-17 22:13:45,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:45,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 22:13:45,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:45,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:13:45,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:45,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 22:13:45,147 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:45,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2024-12-17 22:13:45,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1254778535, now seen corresponding path program 1 times [2024-12-17 22:13:45,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:45,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803277383] [2024-12-17 22:13:45,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:45,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:45,508 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:45,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803277383] [2024-12-17 22:13:45,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803277383] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:45,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [299047928] [2024-12-17 22:13:45,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:45,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:45,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 22:13:45,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:45,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [299047928] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:45,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:45,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 22:13:45,754 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:45,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-12-17 22:13:45,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1654824596, now seen corresponding path program 1 times [2024-12-17 22:13:45,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:45,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712295144] [2024-12-17 22:13:45,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:46,145 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:46,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712295144] [2024-12-17 22:13:46,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712295144] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:46,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [677186138] [2024-12-17 22:13:46,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:46,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 22:13:46,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [677186138] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:46,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:46,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 22:13:46,397 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:46,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-12-17 22:13:46,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:46,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1121723963, now seen corresponding path program 1 times [2024-12-17 22:13:46,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:46,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686211998] [2024-12-17 22:13:46,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:46,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:46,777 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:46,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686211998] [2024-12-17 22:13:46,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686211998] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:46,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1536907232] [2024-12-17 22:13:46,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:46,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:46,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-17 22:13:46,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:47,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:47,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1536907232] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:47,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:47,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-12-17 22:13:47,001 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:47,002 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 109 is hopeless, skipping. [2024-12-17 22:13:47,002 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-12-17 22:13:47,002 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2024-12-17 22:13:47,002 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:47,002 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:13:47,002 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:47,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:47,003 INFO L85 PathProgramCache]: Analyzing trace with hash -457202352, now seen corresponding path program 2 times [2024-12-17 22:13:47,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:47,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065429598] [2024-12-17 22:13:47,003 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:13:47,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:47,060 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-17 22:13:47,061 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-17 22:13:47,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:47,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065429598] [2024-12-17 22:13:47,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065429598] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:13:47,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:13:47,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-17 22:13:47,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10991571] [2024-12-17 22:13:47,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:13:47,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-17 22:13:47,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:47,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-17 22:13:47,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-12-17 22:13:47,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:47,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:47,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 12 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:47,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:47,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:48,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:48,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-12-17 22:13:48,210 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:48,210 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:48,210 INFO L139 ounterexampleChecker]: Examining path program with hash 2100277353, occurence #1 [2024-12-17 22:13:48,210 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:13:48,210 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:48,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:48,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1103490486, now seen corresponding path program 3 times [2024-12-17 22:13:48,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:48,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903308282] [2024-12-17 22:13:48,211 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:13:48,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:48,241 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-17 22:13:48,241 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-17 22:13:48,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:48,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903308282] [2024-12-17 22:13:48,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903308282] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:13:48,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:13:48,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-17 22:13:48,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17136227] [2024-12-17 22:13:48,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:13:48,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-17 22:13:48,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:48,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-17 22:13:48,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-12-17 22:13:48,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:48,552 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:48,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:48,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:48,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:49,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:13:49,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-17 22:13:49,250 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:49,253 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:49,253 INFO L139 ounterexampleChecker]: Examining path program with hash -1332232123, occurence #1 [2024-12-17 22:13:49,253 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:13:49,254 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:49,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:49,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2107067197, now seen corresponding path program 4 times [2024-12-17 22:13:49,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:49,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175461849] [2024-12-17 22:13:49,254 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:13:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:49,321 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:13:49,321 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 22:13:49,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:49,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175461849] [2024-12-17 22:13:49,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175461849] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:49,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187583696] [2024-12-17 22:13:49,904 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:13:49,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:13:49,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:13:49,906 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:13:49,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-17 22:13:50,063 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:13:50,064 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:50,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:13:50,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 22:13:50,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:13:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 53 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-17 22:13:51,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187583696] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:13:51,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:13:51,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 42 [2024-12-17 22:13:51,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558044872] [2024-12-17 22:13:51,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:13:51,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-17 22:13:51,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:51,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-17 22:13:51,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=554, Invalid=1252, Unknown=0, NotChecked=0, Total=1806 [2024-12-17 22:13:51,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:51,366 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:51,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.279069767441861) internal successors, (356), 42 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:51,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:13:51,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:51,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:13:51,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:13:51,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-17 22:13:51,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-12-17 22:13:51,829 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:51,829 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:51,830 INFO L139 ounterexampleChecker]: Examining path program with hash -1332232123, occurence #2 [2024-12-17 22:13:51,830 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:13:51,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:13:51,830 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:51,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-17 22:13:51,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:51,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:13:51,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:51,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 22:13:51,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:51,830 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 22:13:51,830 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:51,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2024-12-17 22:13:51,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:51,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1065790740, now seen corresponding path program 1 times [2024-12-17 22:13:51,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:51,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877043446] [2024-12-17 22:13:51,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:51,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:52,430 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:52,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877043446] [2024-12-17 22:13:52,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877043446] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:52,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2073195958] [2024-12-17 22:13:52,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:52,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:52,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:13:52,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 22:13:53,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2073195958] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:53,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:53,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27 [2024-12-17 22:13:53,036 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:53,036 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 114 is hopeless, skipping. [2024-12-17 22:13:53,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2024-12-17 22:13:53,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:53,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-17 22:13:53,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:53,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1869547826, now seen corresponding path program 1 times [2024-12-17 22:13:53,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:53,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053754723] [2024-12-17 22:13:53,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:53,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:53,417 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 22:13:53,417 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:53,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053754723] [2024-12-17 22:13:53,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053754723] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:53,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1064362931] [2024-12-17 22:13:53,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:53,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:53,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-17 22:13:53,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-17 22:13:53,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1064362931] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:53,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:53,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-12-17 22:13:53,578 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:53,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 125 [2024-12-17 22:13:53,578 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:53,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 22:13:53,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:53,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2024-12-17 22:13:53,579 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:53,579 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:13:53,579 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:53,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:53,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1689680189, now seen corresponding path program 5 times [2024-12-17 22:13:53,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:53,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332925614] [2024-12-17 22:13:53,580 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:13:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:53,888 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 22:13:53,888 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-17 22:13:54,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:54,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332925614] [2024-12-17 22:13:54,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332925614] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:54,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013310476] [2024-12-17 22:13:54,544 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:13:54,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:13:54,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:13:54,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:13:54,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-17 22:13:54,747 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-12-17 22:13:54,748 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:54,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 22:13:54,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:54,978 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-17 22:13:54,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:13:55,251 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 29 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-12-17 22:13:55,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013310476] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:13:55,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:13:55,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 31 [2024-12-17 22:13:55,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694063111] [2024-12-17 22:13:55,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:13:55,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-12-17 22:13:55,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:55,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-12-17 22:13:55,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2024-12-17 22:13:55,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:55,255 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:55,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.774193548387096) internal successors, (272), 31 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:13:55,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:55,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:13:55,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:13:55,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:13:55,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 22:13:55,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:13:55,847 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:13:55,847 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:13:55,848 INFO L139 ounterexampleChecker]: Examining path program with hash -1332232123, occurence #3 [2024-12-17 22:13:55,848 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:13:55,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:13:55,848 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:55,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-17 22:13:55,848 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:55,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-17 22:13:55,848 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-12-17 22:13:55,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2024-12-17 22:13:55,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:55,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2024-12-17 22:13:55,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:55,887 INFO L85 PathProgramCache]: Analyzing trace with hash 230538805, now seen corresponding path program 1 times [2024-12-17 22:13:55,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047030544] [2024-12-17 22:13:55,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:55,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 30 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 22:13:56,299 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:56,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047030544] [2024-12-17 22:13:56,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047030544] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:56,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1369985366] [2024-12-17 22:13:56,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:56,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:56,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:13:56,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:56,769 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 42 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-17 22:13:56,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1369985366] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:56,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:56,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-12-17 22:13:56,770 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:56,770 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 118 is hopeless, skipping. [2024-12-17 22:13:56,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 22:13:56,770 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:56,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2024-12-17 22:13:56,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:56,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1489094321, now seen corresponding path program 1 times [2024-12-17 22:13:56,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:13:56,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507158355] [2024-12-17 22:13:56,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:56,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 33 proven. 22 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-17 22:13:57,247 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:13:57,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507158355] [2024-12-17 22:13:57,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507158355] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:57,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [945082570] [2024-12-17 22:13:57,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:13:57,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:13:57,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-17 22:13:57,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:13:57,694 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-17 22:13:57,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [945082570] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:13:57,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:13:57,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2024-12-17 22:13:57,695 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:13:57,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2024-12-17 22:13:57,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:57,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2024-12-17 22:13:57,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:13:57,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2024-12-17 22:13:57,696 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:13:57,696 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:13:57,696 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:13:57,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:13:57,696 INFO L85 PathProgramCache]: Analyzing trace with hash 144374112, now seen corresponding path program 6 times [2024-12-17 22:13:57,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:13:57,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960163095] [2024-12-17 22:13:57,696 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:13:57,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:13:57,766 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-17 22:13:57,767 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:13:58,198 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-17 22:13:58,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:13:58,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960163095] [2024-12-17 22:13:58,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960163095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:13:58,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:13:58,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 22:13:58,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283870846] [2024-12-17 22:13:58,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:13:58,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 22:13:58,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:13:58,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:13:58,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-17 22:13:58,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:13:58,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:13:58,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:13:58,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:58,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:13:58,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:58,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:13:58,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:13:58,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:13:58,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:13:58,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:00,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-12-17 22:14:00,638 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:00,638 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:00,638 INFO L139 ounterexampleChecker]: Examining path program with hash 1386140081, occurence #1 [2024-12-17 22:14:00,638 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:00,638 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:00,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:00,638 INFO L85 PathProgramCache]: Analyzing trace with hash 603064246, now seen corresponding path program 7 times [2024-12-17 22:14:00,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:00,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712081115] [2024-12-17 22:14:00,639 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:14:00,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 158 proven. 184 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-12-17 22:14:01,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:01,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712081115] [2024-12-17 22:14:01,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712081115] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:01,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460074279] [2024-12-17 22:14:01,644 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:14:01,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:01,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:01,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:01,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-17 22:14:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:01,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-17 22:14:01,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-12-17 22:14:02,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 22:14:02,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460074279] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:14:02,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 22:14:02,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 19 [2024-12-17 22:14:02,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181742449] [2024-12-17 22:14:02,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:14:02,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:14:02,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:02,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:14:02,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-12-17 22:14:02,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:02,040 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:02,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:02,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:03,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:03,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 22:14:04,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-12-17 22:14:04,054 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:04,054 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:04,054 INFO L139 ounterexampleChecker]: Examining path program with hash 122164590, occurence #1 [2024-12-17 22:14:04,054 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:04,054 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:04,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:04,055 INFO L85 PathProgramCache]: Analyzing trace with hash -2132885240, now seen corresponding path program 8 times [2024-12-17 22:14:04,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:04,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824782111] [2024-12-17 22:14:04,055 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:14:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:04,125 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:14:04,125 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 33 proven. 87 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-17 22:14:04,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:04,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824782111] [2024-12-17 22:14:04,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824782111] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:04,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114773564] [2024-12-17 22:14:04,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:14:04,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:04,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:04,699 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:04,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-17 22:14:04,952 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:14:04,952 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:04,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-17 22:14:04,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 128 proven. 10 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-17 22:14:05,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 103 proven. 35 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-17 22:14:05,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114773564] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:05,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:05,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2024-12-17 22:14:05,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575181907] [2024-12-17 22:14:05,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:05,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-12-17 22:14:05,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:05,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-12-17 22:14:05,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2024-12-17 22:14:05,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:05,682 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:05,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 7.533333333333333) internal successors, (226), 30 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:05,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:05,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:05,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-17 22:14:06,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:06,156 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:06,156 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:06,156 INFO L139 ounterexampleChecker]: Examining path program with hash 122164590, occurence #2 [2024-12-17 22:14:06,156 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:14:06,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:14:06,156 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:06,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-17 22:14:06,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:06,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-17 22:14:06,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:06,156 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-17 22:14:06,156 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:06,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 22:14:06,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:06,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2024-12-17 22:14:06,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:06,222 INFO L85 PathProgramCache]: Analyzing trace with hash -762039154, now seen corresponding path program 1 times [2024-12-17 22:14:06,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:06,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363613441] [2024-12-17 22:14:06,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:06,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-17 22:14:06,632 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363613441] [2024-12-17 22:14:06,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363613441] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:06,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [880033648] [2024-12-17 22:14:06,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:06,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:06,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:14:06,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 43 proven. 15 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-17 22:14:07,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [880033648] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:07,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:07,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:14:07,137 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:07,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2024-12-17 22:14:07,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:07,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2024-12-17 22:14:07,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:07,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1055800535, now seen corresponding path program 1 times [2024-12-17 22:14:07,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:07,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150818137] [2024-12-17 22:14:07,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:07,768 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 34 proven. 113 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-17 22:14:07,768 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:07,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150818137] [2024-12-17 22:14:07,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150818137] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:07,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [568511694] [2024-12-17 22:14:07,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:07,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:07,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:14:07,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 113 proven. 34 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-17 22:14:08,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [568511694] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:08,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:08,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:14:08,230 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:08,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2024-12-17 22:14:08,230 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:08,230 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2024-12-17 22:14:08,230 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:08,230 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:14:08,230 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:08,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:08,230 INFO L85 PathProgramCache]: Analyzing trace with hash -386868749, now seen corresponding path program 9 times [2024-12-17 22:14:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:08,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815814987] [2024-12-17 22:14:08,230 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:14:08,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:08,283 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-17 22:14:08,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-17 22:14:08,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815814987] [2024-12-17 22:14:08,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815814987] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:14:08,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:14:08,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 22:14:08,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180441861] [2024-12-17 22:14:08,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:14:08,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 22:14:08,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:08,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:14:08,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-17 22:14:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:08,511 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:08,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 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) [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:08,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:08,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:08,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34 [2024-12-17 22:14:08,891 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:08,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:08,891 INFO L139 ounterexampleChecker]: Examining path program with hash -1556313794, occurence #1 [2024-12-17 22:14:08,891 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:08,891 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:08,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:08,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2024487350, now seen corresponding path program 10 times [2024-12-17 22:14:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:08,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859281594] [2024-12-17 22:14:08,891 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:14:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:08,955 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:14:08,955 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 155 proven. 36 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 22:14:09,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859281594] [2024-12-17 22:14:09,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859281594] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:09,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823590754] [2024-12-17 22:14:09,712 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:14:09,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:09,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:09,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:09,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-17 22:14:09,911 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:14:09,911 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:09,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-17 22:14:09,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 163 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 22:14:10,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 150 proven. 41 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 22:14:11,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823590754] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:11,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:11,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 63 [2024-12-17 22:14:11,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171721425] [2024-12-17 22:14:11,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:11,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-12-17 22:14:11,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:11,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-12-17 22:14:11,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1022, Invalid=3010, Unknown=0, NotChecked=0, Total=4032 [2024-12-17 22:14:11,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:11,485 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:11,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.640625) internal successors, (489), 63 states have internal predecessors, (489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:11,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:11,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 22:14:12,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:12,011 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:12,011 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:12,011 INFO L139 ounterexampleChecker]: Examining path program with hash -1556313794, occurence #2 [2024-12-17 22:14:12,011 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:14:12,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:14:12,012 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:12,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-17 22:14:12,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:12,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-12-17 22:14:12,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:12,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2024-12-17 22:14:12,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:12,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-12-17 22:14:12,012 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:12,012 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2024-12-17 22:14:12,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:12,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1679003558, now seen corresponding path program 1 times [2024-12-17 22:14:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:12,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264306374] [2024-12-17 22:14:12,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:12,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:12,518 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-17 22:14:12,518 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:12,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264306374] [2024-12-17 22:14:12,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264306374] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:12,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [795205495] [2024-12-17 22:14:12,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:12,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:12,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:14:12,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 43 proven. 15 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-17 22:14:12,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [795205495] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:12,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:12,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:14:12,966 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:12,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 171 [2024-12-17 22:14:12,966 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:12,966 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-17 22:14:12,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:12,997 INFO L85 PathProgramCache]: Analyzing trace with hash -425682961, now seen corresponding path program 1 times [2024-12-17 22:14:12,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:12,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144726647] [2024-12-17 22:14:12,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 34 proven. 113 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-17 22:14:13,545 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:13,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144726647] [2024-12-17 22:14:13,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144726647] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:13,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [633133152] [2024-12-17 22:14:13,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:13,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:13,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:14:13,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 113 proven. 34 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-17 22:14:13,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [633133152] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:13,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:13,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2024-12-17 22:14:13,948 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:13,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2024-12-17 22:14:13,948 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:13,948 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:14:13,948 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:13,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:13,948 INFO L85 PathProgramCache]: Analyzing trace with hash -962969930, now seen corresponding path program 11 times [2024-12-17 22:14:13,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:13,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426451037] [2024-12-17 22:14:13,948 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:14:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:14,168 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 22:14:14,168 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 134 proven. 33 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-17 22:14:14,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:14,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426451037] [2024-12-17 22:14:14,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426451037] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:14,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090737240] [2024-12-17 22:14:14,964 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:14:14,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:14,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:14,967 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:14,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-17 22:14:16,660 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-12-17 22:14:16,660 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:16,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 22:14:16,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 152 proven. 15 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-17 22:14:17,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:17,596 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 107 proven. 60 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-17 22:14:17,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090737240] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:17,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:17,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43 [2024-12-17 22:14:17,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460419811] [2024-12-17 22:14:17,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:17,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-17 22:14:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:17,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-17 22:14:17,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=1365, Unknown=0, NotChecked=0, Total=1806 [2024-12-17 22:14:17,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:17,600 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:17,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 8.325581395348838) internal successors, (358), 43 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:17,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:17,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 22:14:17,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-17 22:14:17,988 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:17,988 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:17,988 INFO L139 ounterexampleChecker]: Examining path program with hash -1556313794, occurence #3 [2024-12-17 22:14:17,988 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:14:17,988 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:14:17,988 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:17,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2024-12-17 22:14:17,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:17,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-12-17 22:14:17,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:17,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2024-12-17 22:14:17,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:17,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 22:14:17,989 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:17,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2024-12-17 22:14:18,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:18,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1170591305, now seen corresponding path program 1 times [2024-12-17 22:14:18,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:18,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063701823] [2024-12-17 22:14:18,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:18,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 22:14:18,651 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 22:14:18,652 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 22:14:18,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2024-12-17 22:14:18,652 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:18,652 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2024-12-17 22:14:18,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash -573203200, now seen corresponding path program 1 times [2024-12-17 22:14:18,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:18,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380567487] [2024-12-17 22:14:18,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:18,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 50 proven. 139 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-17 22:14:19,510 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380567487] [2024-12-17 22:14:19,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380567487] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1752628805] [2024-12-17 22:14:19,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:19,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:19,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:14:19,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 97 proven. 92 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-17 22:14:20,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1752628805] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:20,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:20,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:14:20,106 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:20,107 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2024-12-17 22:14:20,107 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:20,107 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:14:20,107 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:20,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:20,107 INFO L85 PathProgramCache]: Analyzing trace with hash -877358837, now seen corresponding path program 12 times [2024-12-17 22:14:20,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:20,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835958173] [2024-12-17 22:14:20,107 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:14:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:20,186 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:14:20,187 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-17 22:14:20,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835958173] [2024-12-17 22:14:20,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835958173] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025904735] [2024-12-17 22:14:20,426 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:14:20,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:20,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:20,428 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:20,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-17 22:14:20,686 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:14:20,687 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:20,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-17 22:14:20,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:20,935 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 97 proven. 12 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-12-17 22:14:20,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 101 proven. 15 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-12-17 22:14:21,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025904735] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:21,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:21,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 13] total 20 [2024-12-17 22:14:21,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92617398] [2024-12-17 22:14:21,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:21,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-17 22:14:21,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:21,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-17 22:14:21,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2024-12-17 22:14:21,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:21,238 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:21,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.95) internal successors, (159), 20 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:21,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:27,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-17 22:14:27,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:27,260 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:27,260 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:27,260 INFO L139 ounterexampleChecker]: Examining path program with hash -268845933, occurence #1 [2024-12-17 22:14:27,260 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:27,260 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:27,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:27,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1788676515, now seen corresponding path program 13 times [2024-12-17 22:14:27,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:27,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356575255] [2024-12-17 22:14:27,261 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:14:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 420 proven. 418 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-12-17 22:14:29,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:29,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356575255] [2024-12-17 22:14:29,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356575255] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:29,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656817056] [2024-12-17 22:14:29,742 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:14:29,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:29,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:29,743 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:29,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 22:14:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:30,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-17 22:14:30,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:30,303 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-12-17 22:14:30,303 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-17 22:14:30,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656817056] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:14:30,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 22:14:30,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [32] total 34 [2024-12-17 22:14:30,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752298394] [2024-12-17 22:14:30,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:14:30,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 22:14:30,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:30,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 22:14:30,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=950, Unknown=0, NotChecked=0, Total=1190 [2024-12-17 22:14:30,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:30,305 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:30,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:30,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:31,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 22:14:31,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-12-17 22:14:31,591 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:31,591 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:31,591 INFO L139 ounterexampleChecker]: Examining path program with hash 1865859819, occurence #1 [2024-12-17 22:14:31,591 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:31,591 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:31,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:31,592 INFO L85 PathProgramCache]: Analyzing trace with hash -2102898500, now seen corresponding path program 14 times [2024-12-17 22:14:31,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:31,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610476240] [2024-12-17 22:14:31,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:14:31,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:31,759 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:14:31,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 199 proven. 594 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-17 22:14:33,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:33,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610476240] [2024-12-17 22:14:33,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610476240] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:33,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315216833] [2024-12-17 22:14:33,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:14:33,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:33,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:33,298 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:33,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 22:14:33,608 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:14:33,608 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:33,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 1445 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-17 22:14:33,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 494 proven. 52 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2024-12-17 22:14:33,780 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 995 backedges. 467 proven. 106 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-12-17 22:14:34,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315216833] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:34,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:34,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 4, 16] total 47 [2024-12-17 22:14:34,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171670470] [2024-12-17 22:14:34,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:34,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-17 22:14:34,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:34,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-17 22:14:34,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=1898, Unknown=0, NotChecked=0, Total=2256 [2024-12-17 22:14:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:34,416 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:34,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.583333333333334) internal successors, (412), 47 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:34,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:34,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:35,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 22:14:35,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-12-17 22:14:35,242 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:35,242 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:35,242 INFO L139 ounterexampleChecker]: Examining path program with hash -1884473798, occurence #1 [2024-12-17 22:14:35,242 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:35,242 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:35,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:35,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1008359417, now seen corresponding path program 15 times [2024-12-17 22:14:35,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:35,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919989479] [2024-12-17 22:14:35,243 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:14:35,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:35,321 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-17 22:14:35,322 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-12-17 22:14:35,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:35,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919989479] [2024-12-17 22:14:35,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919989479] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:14:35,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:14:35,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-17 22:14:35,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764623108] [2024-12-17 22:14:35,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:14:35,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-17 22:14:35,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:35,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-17 22:14:35,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-17 22:14:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:35,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:35,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:35,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:14:35,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-12-17 22:14:35,990 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:35,990 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:35,990 INFO L139 ounterexampleChecker]: Examining path program with hash -330181330, occurence #1 [2024-12-17 22:14:35,990 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:14:35,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:35,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:35,990 INFO L85 PathProgramCache]: Analyzing trace with hash 548893577, now seen corresponding path program 16 times [2024-12-17 22:14:35,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:35,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565063280] [2024-12-17 22:14:35,991 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:14:35,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:36,080 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:14:36,080 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:37,266 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 256 proven. 115 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 22:14:37,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:37,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565063280] [2024-12-17 22:14:37,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565063280] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:37,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640025928] [2024-12-17 22:14:37,266 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:14:37,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:37,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:37,270 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:37,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 22:14:37,581 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:14:37,581 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:37,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-17 22:14:37,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:38,726 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 266 proven. 105 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 22:14:38,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 254 proven. 117 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-17 22:14:39,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640025928] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:39,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:39,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 93 [2024-12-17 22:14:39,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441301622] [2024-12-17 22:14:39,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:39,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-12-17 22:14:39,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:39,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-12-17 22:14:39,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1877, Invalid=6865, Unknown=0, NotChecked=0, Total=8742 [2024-12-17 22:14:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:39,840 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:39,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 6.595744680851064) internal successors, (620), 93 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:14:39,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:14:40,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:14:40,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-17 22:14:40,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-12-17 22:14:40,439 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:40,439 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:40,439 INFO L139 ounterexampleChecker]: Examining path program with hash -330181330, occurence #2 [2024-12-17 22:14:40,439 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:14:40,439 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:14:40,439 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:40,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-12-17 22:14:40,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:40,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 22:14:40,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:40,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 22:14:40,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:40,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 22:14:40,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:40,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 221 [2024-12-17 22:14:40,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:40,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1193197359, now seen corresponding path program 1 times [2024-12-17 22:14:40,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:40,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676885005] [2024-12-17 22:14:40,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:40,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-17 22:14:41,175 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:41,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676885005] [2024-12-17 22:14:41,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676885005] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:41,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [757184925] [2024-12-17 22:14:41,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:41,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:14:41,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:41,843 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-17 22:14:41,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [757184925] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:41,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:41,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:14:41,844 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:41,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-12-17 22:14:41,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash -419527050, now seen corresponding path program 1 times [2024-12-17 22:14:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:41,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292901457] [2024-12-17 22:14:41,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-17 22:14:42,619 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:42,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292901457] [2024-12-17 22:14:42,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292901457] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:42,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [26493910] [2024-12-17 22:14:42,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:42,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:42,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:14:42,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-17 22:14:43,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [26493910] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:43,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:43,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:14:43,261 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:43,262 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2024-12-17 22:14:43,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:43,278 INFO L85 PathProgramCache]: Analyzing trace with hash 560640043, now seen corresponding path program 1 times [2024-12-17 22:14:43,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:43,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164294457] [2024-12-17 22:14:43,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:43,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 125 proven. 167 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-17 22:14:43,984 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:14:43,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164294457] [2024-12-17 22:14:43,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164294457] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:43,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [90699035] [2024-12-17 22:14:43,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:43,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:14:44,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-17 22:14:44,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 184 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-17 22:14:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [90699035] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:44,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:14:44,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 37 [2024-12-17 22:14:44,663 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:14:44,663 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2024-12-17 22:14:44,663 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:44,663 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:14:44,663 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:14:44,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:44,663 INFO L85 PathProgramCache]: Analyzing trace with hash -616432503, now seen corresponding path program 17 times [2024-12-17 22:14:44,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:14:44,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729003751] [2024-12-17 22:14:44,663 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:14:44,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:14:44,957 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-17 22:14:44,958 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 225 proven. 68 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-17 22:14:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:14:45,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729003751] [2024-12-17 22:14:45,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729003751] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:14:45,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348732576] [2024-12-17 22:14:45,636 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:14:45,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:14:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:14:45,637 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:14:45,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 22:14:57,438 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-12-17 22:14:57,438 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:14:57,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-17 22:14:57,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:14:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 191 proven. 102 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-17 22:14:58,272 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:14:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 216 proven. 77 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-17 22:14:59,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348732576] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:14:59,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:14:59,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 65 [2024-12-17 22:14:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851630737] [2024-12-17 22:14:59,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:14:59,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-12-17 22:14:59,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:14:59,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-12-17 22:14:59,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1111, Invalid=3049, Unknown=0, NotChecked=0, Total=4160 [2024-12-17 22:14:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:59,089 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:14:59,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.7846153846153845) internal successors, (506), 65 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:14:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:14:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:14:59,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-17 22:14:59,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-12-17 22:14:59,928 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:14:59,928 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:14:59,929 INFO L139 ounterexampleChecker]: Examining path program with hash -330181330, occurence #3 [2024-12-17 22:14:59,929 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:14:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:14:59,929 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:14:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-12-17 22:14:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-12-17 22:14:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-12-17 22:14:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2024-12-17 22:14:59,929 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:14:59,929 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 224 [2024-12-17 22:14:59,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:14:59,950 INFO L85 PathProgramCache]: Analyzing trace with hash 651125217, now seen corresponding path program 1 times [2024-12-17 22:14:59,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:14:59,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450342616] [2024-12-17 22:14:59,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:14:59,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 121 proven. 86 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2024-12-17 22:15:00,909 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:00,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450342616] [2024-12-17 22:15:00,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450342616] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1570442011] [2024-12-17 22:15:00,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:00,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:00,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:00,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 4 proven. 258 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-12-17 22:15:01,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1570442011] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:01,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:01,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 27] total 38 [2024-12-17 22:15:01,725 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:01,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-12-17 22:15:01,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:01,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1161087600, now seen corresponding path program 1 times [2024-12-17 22:15:01,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:01,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578372867] [2024-12-17 22:15:01,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:01,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 89 proven. 125 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-12-17 22:15:02,793 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:02,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578372867] [2024-12-17 22:15:02,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578372867] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:02,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1070136852] [2024-12-17 22:15:02,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:02,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-17 22:15:02,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 4 proven. 258 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2024-12-17 22:15:03,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1070136852] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:03,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:03,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 25] total 36 [2024-12-17 22:15:03,568 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:03,568 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-12-17 22:15:03,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:03,587 INFO L85 PathProgramCache]: Analyzing trace with hash -887124251, now seen corresponding path program 1 times [2024-12-17 22:15:03,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:03,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534729627] [2024-12-17 22:15:03,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:03,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 123 proven. 86 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-12-17 22:15:04,584 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:04,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534729627] [2024-12-17 22:15:04,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534729627] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:04,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1867141679] [2024-12-17 22:15:04,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:04,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-17 22:15:04,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 6 proven. 258 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-12-17 22:15:05,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1867141679] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:05,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:05,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 28] total 40 [2024-12-17 22:15:05,433 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:05,433 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 236 [2024-12-17 22:15:05,433 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:05,433 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:15:05,433 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:15:05,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:05,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1046515950, now seen corresponding path program 18 times [2024-12-17 22:15:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:15:05,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741641130] [2024-12-17 22:15:05,433 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:15:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:05,533 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:15:05,533 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-12-17 22:15:05,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:15:05,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741641130] [2024-12-17 22:15:05,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741641130] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:05,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734936984] [2024-12-17 22:15:05,744 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:15:05,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:05,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:15:05,745 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:15:05,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-17 22:15:06,038 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-17 22:15:06,038 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:06,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-17 22:15:06,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-12-17 22:15:06,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:15:06,373 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 75 proven. 1 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-12-17 22:15:06,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734936984] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:15:06,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:15:06,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 15 [2024-12-17 22:15:06,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764469620] [2024-12-17 22:15:06,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:15:06,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-17 22:15:06,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:15:06,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-17 22:15:06,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-12-17 22:15:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:06,376 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:15:06,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 15 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:06,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:06,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:08,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:08,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:08,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-12-17 22:15:08,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-12-17 22:15:08,250 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:15:08,250 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:15:08,250 INFO L139 ounterexampleChecker]: Examining path program with hash 135348007, occurence #1 [2024-12-17 22:15:08,250 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:15:08,250 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:15:08,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:08,250 INFO L85 PathProgramCache]: Analyzing trace with hash -999324591, now seen corresponding path program 19 times [2024-12-17 22:15:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:15:08,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723315738] [2024-12-17 22:15:08,250 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:15:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 32 proven. 121 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-12-17 22:15:09,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:15:09,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723315738] [2024-12-17 22:15:09,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723315738] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:09,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230573926] [2024-12-17 22:15:09,243 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:15:09,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:09,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:15:09,245 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:15:09,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-12-17 22:15:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:09,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:09,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 4 proven. 186 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-12-17 22:15:10,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:15:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-12-17 22:15:10,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230573926] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:15:10,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:15:10,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 26, 16] total 47 [2024-12-17 22:15:10,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740688745] [2024-12-17 22:15:10,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:15:10,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-12-17 22:15:10,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:15:10,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-12-17 22:15:10,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1954, Unknown=0, NotChecked=0, Total=2256 [2024-12-17 22:15:10,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:10,793 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:15:10,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.0) internal successors, (336), 47 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:10,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:10,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:10,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-12-17 22:15:17,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-12-17 22:15:17,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:17,984 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:15:17,984 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:15:17,984 INFO L139 ounterexampleChecker]: Examining path program with hash -416079657, occurence #1 [2024-12-17 22:15:17,984 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:15:17,984 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:15:17,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:17,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1463574240, now seen corresponding path program 20 times [2024-12-17 22:15:17,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:15:17,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432746629] [2024-12-17 22:15:17,984 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:15:17,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:18,078 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:15:18,078 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 226 proven. 639 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-12-17 22:15:19,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:15:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432746629] [2024-12-17 22:15:19,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432746629] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:19,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025114324] [2024-12-17 22:15:19,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:15:19,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:19,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:15:19,092 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:15:19,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-12-17 22:15:19,463 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:15:19,464 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:19,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-17 22:15:19,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 908 proven. 66 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-12-17 22:15:20,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:15:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1165 backedges. 787 proven. 187 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-12-17 22:15:21,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025114324] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:15:21,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:15:21,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2024-12-17 22:15:21,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766221623] [2024-12-17 22:15:21,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:15:21,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-12-17 22:15:21,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:15:21,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-12-17 22:15:21,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=972, Invalid=4140, Unknown=0, NotChecked=0, Total=5112 [2024-12-17 22:15:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:21,233 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:15:21,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 7.388888888888889) internal successors, (532), 72 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:21,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-12-17 22:15:21,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-12-17 22:15:21,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:15:21,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-12-17 22:15:21,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-12-17 22:15:21,782 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:15:21,782 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:15:21,782 INFO L139 ounterexampleChecker]: Examining path program with hash -416079657, occurence #2 [2024-12-17 22:15:21,782 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:15:21,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:15:21,782 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:15:21,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-12-17 22:15:21,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:21,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-12-17 22:15:21,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:21,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-12-17 22:15:21,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:21,782 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 22:15:21,782 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:21,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 286 [2024-12-17 22:15:21,783 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:15:21,783 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-17 22:15:21,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:21,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1623378862, now seen corresponding path program 1 times [2024-12-17 22:15:21,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:21,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326314394] [2024-12-17 22:15:21,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:21,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 230 proven. 587 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-12-17 22:15:22,957 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:22,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326314394] [2024-12-17 22:15:22,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326314394] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:22,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [167143931] [2024-12-17 22:15:22,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:22,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:23,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:23,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 734 proven. 83 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-12-17 22:15:23,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [167143931] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:23,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:23,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:15:23,966 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:23,967 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 294 [2024-12-17 22:15:23,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:23,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1260740142, now seen corresponding path program 1 times [2024-12-17 22:15:23,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:23,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289860039] [2024-12-17 22:15:23,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:23,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 131 proven. 559 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-12-17 22:15:25,131 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:25,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289860039] [2024-12-17 22:15:25,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289860039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:25,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1427201993] [2024-12-17 22:15:25,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:25,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-17 22:15:25,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 649 proven. 93 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-12-17 22:15:26,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1427201993] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:26,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:26,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-12-17 22:15:26,169 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:26,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 296 [2024-12-17 22:15:26,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:26,186 INFO L85 PathProgramCache]: Analyzing trace with hash 389423332, now seen corresponding path program 1 times [2024-12-17 22:15:26,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:26,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118548824] [2024-12-17 22:15:26,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 131 proven. 559 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-12-17 22:15:27,334 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:27,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118548824] [2024-12-17 22:15:27,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118548824] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:27,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1003149911] [2024-12-17 22:15:27,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:27,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:27,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1171 backedges. 602 proven. 88 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-12-17 22:15:28,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1003149911] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:28,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:28,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:15:28,365 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:28,365 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 301 [2024-12-17 22:15:28,365 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:28,365 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:15:28,365 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:15:28,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:28,365 INFO L85 PathProgramCache]: Analyzing trace with hash -984781595, now seen corresponding path program 21 times [2024-12-17 22:15:28,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:15:28,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134793621] [2024-12-17 22:15:28,365 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:15:28,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:28,457 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-12-17 22:15:28,457 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:28,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2024-12-17 22:15:28,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:15:28,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134793621] [2024-12-17 22:15:28,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134793621] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 22:15:28,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 22:15:28,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-17 22:15:28,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795369877] [2024-12-17 22:15:28,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 22:15:28,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 22:15:28,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:15:28,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 22:15:28,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 22:15:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:28,794 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:15:28,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:15:28,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:30,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:15:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:15:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:30,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-12-17 22:15:30,795 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:15:30,795 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:15:30,795 INFO L139 ounterexampleChecker]: Examining path program with hash -267637086, occurence #1 [2024-12-17 22:15:30,795 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:15:30,795 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:15:30,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:30,796 INFO L85 PathProgramCache]: Analyzing trace with hash -759504568, now seen corresponding path program 22 times [2024-12-17 22:15:30,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:15:30,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676982245] [2024-12-17 22:15:30,796 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:15:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:30,949 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:15:30,949 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:32,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1283 proven. 162 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-17 22:15:32,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:15:32,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676982245] [2024-12-17 22:15:32,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676982245] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:32,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858018919] [2024-12-17 22:15:32,979 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 22:15:32,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:32,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:15:32,982 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:15:32,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-12-17 22:15:33,440 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 22:15:33,440 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:33,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-17 22:15:33,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1309 proven. 136 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-17 22:15:35,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:15:36,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 1167 proven. 278 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-12-17 22:15:36,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858018919] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:15:36,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:15:36,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 114 [2024-12-17 22:15:36,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276384701] [2024-12-17 22:15:36,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:15:36,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-12-17 22:15:36,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:15:36,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-12-17 22:15:36,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2962, Invalid=10148, Unknown=0, NotChecked=0, Total=13110 [2024-12-17 22:15:36,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:36,609 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:15:36,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 7.826086956521739) internal successors, (900), 114 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:15:36,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:36,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:36,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:36,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:36,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:36,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:15:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:15:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:36,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:15:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:15:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:15:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:15:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:15:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:15:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:15:37,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-12-17 22:15:37,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:37,691 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:15:37,691 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:15:37,692 INFO L139 ounterexampleChecker]: Examining path program with hash -267637086, occurence #2 [2024-12-17 22:15:37,692 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:15:37,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:15:37,692 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:15:37,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-12-17 22:15:37,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:37,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-12-17 22:15:37,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:37,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2024-12-17 22:15:37,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:37,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-12-17 22:15:37,692 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:37,692 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 280 [2024-12-17 22:15:37,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -700734990, now seen corresponding path program 1 times [2024-12-17 22:15:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:37,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631797461] [2024-12-17 22:15:37,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 138 proven. 753 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-17 22:15:38,874 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:38,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631797461] [2024-12-17 22:15:38,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631797461] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:38,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [690124065] [2024-12-17 22:15:38,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:38,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:38,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:38,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1259 backedges. 631 proven. 260 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-12-17 22:15:39,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [690124065] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:39,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:39,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:15:39,870 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:39,870 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 328 is hopeless, skipping. [2024-12-17 22:15:39,870 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 339 [2024-12-17 22:15:39,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:39,885 INFO L85 PathProgramCache]: Analyzing trace with hash 992644872, now seen corresponding path program 1 times [2024-12-17 22:15:39,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:39,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105751399] [2024-12-17 22:15:39,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:39,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 330 proven. 767 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-12-17 22:15:41,376 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:41,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105751399] [2024-12-17 22:15:41,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105751399] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:41,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1438768389] [2024-12-17 22:15:41,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:41,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:41,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:41,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1619 backedges. 1009 proven. 88 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-12-17 22:15:42,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1438768389] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:42,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:42,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:15:42,525 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:42,525 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 375 is hopeless, skipping. [2024-12-17 22:15:42,525 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 383 [2024-12-17 22:15:42,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1422199646, now seen corresponding path program 1 times [2024-12-17 22:15:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:42,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856356766] [2024-12-17 22:15:42,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:42,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:44,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 142 proven. 360 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2024-12-17 22:15:44,251 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:44,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856356766] [2024-12-17 22:15:44,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856356766] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:44,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1809874359] [2024-12-17 22:15:44,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:44,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:44,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-17 22:15:44,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 142 proven. 360 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2024-12-17 22:15:44,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1809874359] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:44,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:44,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-12-17 22:15:44,715 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:44,715 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 385 [2024-12-17 22:15:44,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:44,731 INFO L85 PathProgramCache]: Analyzing trace with hash -935460136, now seen corresponding path program 1 times [2024-12-17 22:15:44,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:44,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343530778] [2024-12-17 22:15:44,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:44,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:46,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 142 proven. 360 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2024-12-17 22:15:46,497 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:46,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343530778] [2024-12-17 22:15:46,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343530778] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:46,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1334166153] [2024-12-17 22:15:46,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:46,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-17 22:15:46,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1679 backedges. 142 proven. 360 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2024-12-17 22:15:46,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1334166153] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:46,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:46,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-12-17 22:15:46,971 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:46,972 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 419 [2024-12-17 22:15:47,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:47,021 INFO L85 PathProgramCache]: Analyzing trace with hash -851865102, now seen corresponding path program 1 times [2024-12-17 22:15:47,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:15:47,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722066905] [2024-12-17 22:15:47,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:47,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 154 proven. 883 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2024-12-17 22:15:48,951 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:15:48,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722066905] [2024-12-17 22:15:48,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722066905] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:48,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1609323038] [2024-12-17 22:15:48,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:15:48,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:15:49,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-17 22:15:49,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:15:50,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1768 backedges. 829 proven. 208 refuted. 0 times theorem prover too weak. 731 trivial. 0 not checked. [2024-12-17 22:15:50,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1609323038] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:50,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:15:50,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2024-12-17 22:15:50,152 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:15:50,152 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 431 [2024-12-17 22:15:50,152 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:15:50,152 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:15:50,152 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:15:50,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:15:50,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1256597504, now seen corresponding path program 23 times [2024-12-17 22:15:50,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:15:50,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193394698] [2024-12-17 22:15:50,152 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:15:50,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:15:51,193 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-17 22:15:51,193 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:15:53,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 197 proven. 360 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2024-12-17 22:15:53,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:15:53,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193394698] [2024-12-17 22:15:53,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193394698] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:15:53,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167693263] [2024-12-17 22:15:53,100 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 22:15:53,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:15:53,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:15:53,102 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:15:53,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-12-17 22:20:05,748 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-12-17 22:20:05,748 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:20:05,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 1813 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-17 22:20:05,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:20:06,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 1100 proven. 201 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-17 22:20:06,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:20:07,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 1125 proven. 176 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-12-17 22:20:07,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167693263] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:20:07,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:20:07,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 29, 29] total 63 [2024-12-17 22:20:07,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256844737] [2024-12-17 22:20:07,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:20:07,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-12-17 22:20:07,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:20:07,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-12-17 22:20:07,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=989, Invalid=2917, Unknown=0, NotChecked=0, Total=3906 [2024-12-17 22:20:07,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:20:07,692 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:20:07,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.158730158730158) internal successors, (514), 63 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:20:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:20:07,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:20:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:20:09,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:20:10,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-12-17 22:20:10,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-12-17 22:20:10,162 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:20:10,162 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:20:10,163 INFO L139 ounterexampleChecker]: Examining path program with hash 964307291, occurence #1 [2024-12-17 22:20:10,163 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:20:10,163 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:20:10,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:20:10,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1771195922, now seen corresponding path program 24 times [2024-12-17 22:20:10,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:20:10,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134960120] [2024-12-17 22:20:10,163 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:20:10,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:20:11,699 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-12-17 22:20:11,699 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:20:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1083 proven. 12 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2024-12-17 22:20:13,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:20:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134960120] [2024-12-17 22:20:13,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134960120] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:20:13,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559869675] [2024-12-17 22:20:13,405 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 22:20:13,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:20:13,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:20:13,406 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:20:13,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-12-17 22:22:26,715 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-12-17 22:22:26,715 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:22:26,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-17 22:22:26,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1019 proven. 94 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-12-17 22:22:27,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:28,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 244 proven. 869 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2024-12-17 22:22:28,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559869675] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:28,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:28,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 33, 33] total 70 [2024-12-17 22:22:28,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941002481] [2024-12-17 22:22:28,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:28,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-12-17 22:22:28,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:28,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-12-17 22:22:28,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1009, Invalid=3821, Unknown=0, NotChecked=0, Total=4830 [2024-12-17 22:22:28,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:28,991 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:28,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 7.6) internal successors, (532), 70 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:28,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:28,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:22:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:22:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:28,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:31,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:31,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-12-17 22:22:32,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-12-17 22:22:32,115 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:22:32,115 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:32,115 INFO L139 ounterexampleChecker]: Examining path program with hash 2001983679, occurence #1 [2024-12-17 22:22:32,115 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 22:22:32,115 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:32,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:32,116 INFO L85 PathProgramCache]: Analyzing trace with hash -493048829, now seen corresponding path program 25 times [2024-12-17 22:22:32,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:32,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847360564] [2024-12-17 22:22:32,116 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:22:32,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 911 proven. 1254 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2024-12-17 22:22:35,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:22:35,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847360564] [2024-12-17 22:22:35,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847360564] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:35,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382866612] [2024-12-17 22:22:35,599 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 22:22:35,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:35,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:22:35,604 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:22:35,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-12-17 22:22:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:36,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 2287 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-17 22:22:36,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:37,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1868 proven. 153 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-12-17 22:22:37,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:22:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2671 backedges. 1714 proven. 307 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2024-12-17 22:22:39,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382866612] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:22:39,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:22:39,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 38, 38] total 117 [2024-12-17 22:22:39,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796187428] [2024-12-17 22:22:39,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:22:39,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-12-17 22:22:39,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:22:39,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-12-17 22:22:39,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1831, Invalid=11741, Unknown=0, NotChecked=0, Total=13572 [2024-12-17 22:22:39,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:39,764 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:22:39,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 7.273504273504273) internal successors, (851), 117 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:39,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:39,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:22:40,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:22:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 22:22:40,690 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-12-17 22:22:40,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:22:40,880 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:22:40,880 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:22:40,881 INFO L139 ounterexampleChecker]: Examining path program with hash 2001983679, occurence #2 [2024-12-17 22:22:40,881 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:22:40,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:22:40,881 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:22:40,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-12-17 22:22:40,881 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:40,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2024-12-17 22:22:40,881 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:40,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2024-12-17 22:22:40,881 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:40,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2024-12-17 22:22:40,881 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:40,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 287 [2024-12-17 22:22:40,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:40,936 INFO L85 PathProgramCache]: Analyzing trace with hash 337784115, now seen corresponding path program 1 times [2024-12-17 22:22:40,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:40,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687886092] [2024-12-17 22:22:40,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:40,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 22:22:41,623 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 22:22:41,623 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 22:22:41,624 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 337 is hopeless, skipping. [2024-12-17 22:22:41,624 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 387 is hopeless, skipping. [2024-12-17 22:22:41,624 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2024-12-17 22:22:41,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:41,640 INFO L85 PathProgramCache]: Analyzing trace with hash 2006279500, now seen corresponding path program 1 times [2024-12-17 22:22:41,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831536040] [2024-12-17 22:22:41,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:44,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-12-17 22:22:44,430 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:44,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831536040] [2024-12-17 22:22:44,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831536040] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:44,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1722330309] [2024-12-17 22:22:44,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:44,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:44,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-17 22:22:44,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 1605 proven. 620 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-12-17 22:22:47,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1722330309] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:47,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 92 [2024-12-17 22:22:47,140 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:47,141 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 469 is hopeless, skipping. [2024-12-17 22:22:47,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 477 [2024-12-17 22:22:47,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:47,173 INFO L85 PathProgramCache]: Analyzing trace with hash -743729562, now seen corresponding path program 1 times [2024-12-17 22:22:47,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:47,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208722340] [2024-12-17 22:22:47,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:50,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-17 22:22:50,337 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208722340] [2024-12-17 22:22:50,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208722340] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:50,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [87063333] [2024-12-17 22:22:50,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:50,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:50,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 1958 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-17 22:22:50,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1605 proven. 620 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-17 22:22:52,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [87063333] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:52,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:52,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 92 [2024-12-17 22:22:52,973 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:52,974 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 479 [2024-12-17 22:22:52,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:52,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1760946724, now seen corresponding path program 1 times [2024-12-17 22:22:52,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:22:52,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430338313] [2024-12-17 22:22:52,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:52,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-17 22:22:56,120 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:22:56,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430338313] [2024-12-17 22:22:56,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430338313] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:56,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1206551332] [2024-12-17 22:22:56,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:22:56,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:22:56,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 1966 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-17 22:22:56,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:22:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2523 backedges. 1605 proven. 620 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-17 22:22:58,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1206551332] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:22:58,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:22:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47] total 92 [2024-12-17 22:22:58,747 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:22:58,747 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 530 is hopeless, skipping. [2024-12-17 22:22:58,747 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 543 is hopeless, skipping. [2024-12-17 22:22:58,747 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 552 is hopeless, skipping. [2024-12-17 22:22:58,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 561 [2024-12-17 22:22:58,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:22:58,747 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:22:58,747 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:22:58,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:22:58,748 INFO L85 PathProgramCache]: Analyzing trace with hash -731123034, now seen corresponding path program 26 times [2024-12-17 22:22:58,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:22:58,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981152700] [2024-12-17 22:22:58,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:22:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:22:59,006 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:22:59,006 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1068 proven. 1157 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2024-12-17 22:23:02,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:02,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981152700] [2024-12-17 22:23:02,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981152700] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:02,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526338742] [2024-12-17 22:23:02,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 22:23:02,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:02,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:23:02,359 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:23:02,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-12-17 22:23:02,990 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 22:23:02,990 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:02,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 2305 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-17 22:23:03,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1902 proven. 171 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2024-12-17 22:23:04,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 22:23:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2711 backedges. 1734 proven. 339 refuted. 0 times theorem prover too weak. 638 trivial. 0 not checked. [2024-12-17 22:23:06,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526338742] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 22:23:06,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 22:23:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 40, 40] total 123 [2024-12-17 22:23:06,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230674338] [2024-12-17 22:23:06,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 22:23:06,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-12-17 22:23:06,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 22:23:06,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-12-17 22:23:06,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2026, Invalid=12980, Unknown=0, NotChecked=0, Total=15006 [2024-12-17 22:23:06,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:06,905 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 22:23:06,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 7.252032520325203) internal successors, (892), 123 states have internal predecessors, (892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-17 22:23:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:06,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-12-17 22:23:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-12-17 22:23:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-12-17 22:23:07,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-12-17 22:23:07,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-12-17 22:23:08,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2024-12-17 22:23:08,066 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 22:23:08,066 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 22:23:08,067 INFO L139 ounterexampleChecker]: Examining path program with hash 2001983679, occurence #3 [2024-12-17 22:23:08,067 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 22:23:08,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2024-12-17 22:23:08,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-17 22:23:08,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2024-12-17 22:23:08,067 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:08,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-12-17 22:23:08,067 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:08,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-12-17 22:23:08,067 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:08,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-12-17 22:23:08,067 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:08,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 289 [2024-12-17 22:23:08,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:08,122 INFO L85 PathProgramCache]: Analyzing trace with hash 182833506, now seen corresponding path program 1 times [2024-12-17 22:23:08,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:08,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472655130] [2024-12-17 22:23:08,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:08,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 22:23:08,884 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 22:23:08,884 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 22:23:08,884 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 339 is hopeless, skipping. [2024-12-17 22:23:08,884 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 389 is hopeless, skipping. [2024-12-17 22:23:08,884 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 435 [2024-12-17 22:23:08,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1706412357, now seen corresponding path program 1 times [2024-12-17 22:23:08,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:08,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66151758] [2024-12-17 22:23:08,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:08,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1239 proven. 1033 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-12-17 22:23:11,932 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:11,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66151758] [2024-12-17 22:23:11,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66151758] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:11,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1920535729] [2024-12-17 22:23:11,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:11,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:12,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-17 22:23:12,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2495 backedges. 1603 proven. 669 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-12-17 22:23:14,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1920535729] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:14,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:14,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2024-12-17 22:23:14,704 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:14,704 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 471 is hopeless, skipping. [2024-12-17 22:23:14,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 479 [2024-12-17 22:23:14,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:14,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1017766059, now seen corresponding path program 1 times [2024-12-17 22:23:14,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:14,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461910255] [2024-12-17 22:23:14,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:14,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:18,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1239 proven. 1033 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-12-17 22:23:18,037 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:18,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461910255] [2024-12-17 22:23:18,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461910255] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:18,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1751954245] [2024-12-17 22:23:18,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:18,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-17 22:23:18,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1603 proven. 669 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-12-17 22:23:20,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1751954245] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:20,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2024-12-17 22:23:20,837 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:20,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 481 [2024-12-17 22:23:20,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:20,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1177940491, now seen corresponding path program 1 times [2024-12-17 22:23:20,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 22:23:20,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22359562] [2024-12-17 22:23:20,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1239 proven. 1033 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-12-17 22:23:24,487 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 22:23:24,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22359562] [2024-12-17 22:23:24,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22359562] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:24,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [809785838] [2024-12-17 22:23:24,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 22:23:24,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 22:23:24,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-17 22:23:24,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 22:23:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 1603 proven. 669 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-12-17 22:23:27,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [809785838] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:27,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-17 22:23:27,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49] total 96 [2024-12-17 22:23:27,286 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2024-12-17 22:23:27,286 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 532 is hopeless, skipping. [2024-12-17 22:23:27,286 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 545 is hopeless, skipping. [2024-12-17 22:23:27,286 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 554 is hopeless, skipping. [2024-12-17 22:23:27,286 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2024-12-17 22:23:27,286 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-17 22:23:27,286 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-17 22:23:27,286 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 22:23:27,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 22:23:27,286 INFO L85 PathProgramCache]: Analyzing trace with hash -798117277, now seen corresponding path program 27 times [2024-12-17 22:23:27,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 22:23:27,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624138793] [2024-12-17 22:23:27,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:23:27,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 22:23:29,651 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-12-17 22:23:29,651 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 22:23:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 864 proven. 1200 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2024-12-17 22:23:32,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 22:23:32,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624138793] [2024-12-17 22:23:32,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624138793] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 22:23:32,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073227432] [2024-12-17 22:23:32,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 22:23:32,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 22:23:32,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 22:23:32,818 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 22:23:32,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process Killed by 15